diff options
Diffstat (limited to 'tools/testing')
65 files changed, 1388 insertions, 273 deletions
diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index ccdd6a504222..ad5c4c18c5c6 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -9,7 +9,7 @@ #include <linux/sizes.h> #include <linux/bits.h> #include <cxl/mailbox.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <crypto/sha2.h> #include <cxlmem.h> diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c index 1873ddbe16cc..551ae6898c1d 100644 --- a/tools/testing/radix-tree/maple.c +++ b/tools/testing/radix-tree/maple.c @@ -36317,6 +36317,28 @@ static inline int check_vma_modification(struct maple_tree *mt) return 0; } +/* + * test to check that bulk stores do not use wr_rebalance as the store + * type. + */ +static inline void check_bulk_rebalance(struct maple_tree *mt) +{ + MA_STATE(mas, mt, ULONG_MAX, ULONG_MAX); + int max = 10; + + build_full_tree(mt, 0, 2); + + /* erase every entry in the tree */ + do { + /* set up bulk store mode */ + mas_expected_entries(&mas, max); + mas_erase(&mas); + MT_BUG_ON(mt, mas.store_type == wr_rebalance); + } while (mas_prev(&mas, 0) != NULL); + + mas_destroy(&mas); +} + void farmer_tests(void) { struct maple_node *node; @@ -36328,6 +36350,10 @@ void farmer_tests(void) check_vma_modification(&tree); mtree_destroy(&tree); + mt_init(&tree); + check_bulk_rebalance(&tree); + mtree_destroy(&tree); + tree.ma_root = xa_mk_value(0); mt_dump(&tree, mt_dump_dec); @@ -36406,9 +36432,93 @@ void farmer_tests(void) check_nomem(&tree); } +static unsigned long get_last_index(struct ma_state *mas) +{ + struct maple_node *node = mas_mn(mas); + enum maple_type mt = mte_node_type(mas->node); + unsigned long *pivots = ma_pivots(node, mt); + unsigned long last_index = mas_data_end(mas); + + BUG_ON(last_index == 0); + + return pivots[last_index - 1] + 1; +} + +/* + * Assert that we handle spanning stores that consume the entirety of the right + * leaf node correctly. + */ +static void test_spanning_store_regression(void) +{ + unsigned long from = 0, to = 0; + DEFINE_MTREE(tree); + MA_STATE(mas, &tree, 0, 0); + + /* + * Build a 3-level tree. We require a parent node below the root node + * and 2 leaf nodes under it, so we can span the entirety of the right + * hand node. + */ + build_full_tree(&tree, 0, 3); + + /* Descend into position at depth 2. */ + mas_reset(&mas); + mas_start(&mas); + mas_descend(&mas); + mas_descend(&mas); + + /* + * We need to establish a tree like the below. + * + * Then we can try a store in [from, to] which results in a spanned + * store across nodes B and C, with the maple state at the time of the + * write being such that only the subtree at A and below is considered. + * + * Height + * 0 Root Node + * / \ + * pivot = to / \ pivot = ULONG_MAX + * / \ + * 1 A [-----] ... + * / \ + * pivot = from / \ pivot = to + * / \ + * 2 (LEAVES) B [-----] [-----] C + * ^--- Last pivot to. + */ + while (true) { + unsigned long tmp = get_last_index(&mas); + + if (mas_next_sibling(&mas)) { + from = tmp; + to = mas.max; + } else { + break; + } + } + + BUG_ON(from == 0 && to == 0); + + /* Perform the store. */ + mas_set_range(&mas, from, to); + mas_store_gfp(&mas, xa_mk_value(0xdead), GFP_KERNEL); + + /* If the regression occurs, the validation will fail. */ + mt_validate(&tree); + + /* Cleanup. */ + __mt_destroy(&tree); +} + +static void regression_tests(void) +{ + test_spanning_store_regression(); +} + void maple_tree_tests(void) { #if !defined(BENCH) + regression_tests(); farmer_tests(); #endif maple_tree_seed(); diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index b38199965f99..363d031a16f7 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -88,6 +88,7 @@ TARGETS += rlimits TARGETS += rseq TARGETS += rtc TARGETS += rust +TARGETS += sched_ext TARGETS += seccomp TARGETS += sgx TARGETS += sigaltstack @@ -129,10 +130,10 @@ ifeq ($(filter net/lib,$(TARGETS)),) endif endif -# User can optionally provide a TARGETS skiplist. By default we skip -# BPF since it has cutting edge build time dependencies which require -# more effort to install. -SKIP_TARGETS ?= bpf +# User can optionally provide a TARGETS skiplist. By default we skip +# targets using BPF since it has cutting edge build time dependencies +# which require more effort to install. +SKIP_TARGETS ?= bpf sched_ext ifneq ($(SKIP_TARGETS),) TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) override TARGETS := $(TMP) diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile index 25be68025290..944279160fed 100644 --- a/tools/testing/selftests/alsa/Makefile +++ b/tools/testing/selftests/alsa/Makefile @@ -1,5 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 # +ifneq ($(shell pkg-config --exists alsa && echo 0 || echo 1),0) +$(error Package alsa not found, please install alsa development package or \ + add directory containing `alsa.pc` in PKG_CONFIG_PATH) +endif CFLAGS += $(shell pkg-config --cflags alsa) $(KHDR_INCLUDES) LDLIBS += $(shell pkg-config --libs alsa) diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index f04af11df8eb..75016962f795 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -157,7 +157,8 @@ TEST_GEN_PROGS_EXTENDED = \ flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \ test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \ xskxceiver xdp_redirect_multi xdp_synproxy veristat xdp_hw_metadata \ - xdp_features bpf_test_no_cfi.ko + xdp_features bpf_test_no_cfi.ko bpf_test_modorder_x.ko \ + bpf_test_modorder_y.ko TEST_GEN_FILES += liburandom_read.so urandom_read sign-file uprobe_multi @@ -263,7 +264,7 @@ $(OUTPUT)/%:%.c ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 riscv)) LLD := lld else -LLD := ld +LLD := $(shell command -v $(LD)) endif # Filter out -static for liburandom_read.so and its dependent targets so that static builds @@ -303,6 +304,19 @@ $(OUTPUT)/bpf_test_no_cfi.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_te $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_test_no_cfi $(Q)cp bpf_test_no_cfi/bpf_test_no_cfi.ko $@ +$(OUTPUT)/bpf_test_modorder_x.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_test_modorder_x/Makefile bpf_test_modorder_x/*.[ch]) + $(call msg,MOD,,$@) + $(Q)$(RM) bpf_test_modorder_x/bpf_test_modorder_x.ko # force re-compilation + $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_test_modorder_x + $(Q)cp bpf_test_modorder_x/bpf_test_modorder_x.ko $@ + +$(OUTPUT)/bpf_test_modorder_y.ko: $(VMLINUX_BTF) $(RESOLVE_BTFIDS) $(wildcard bpf_test_modorder_y/Makefile bpf_test_modorder_y/*.[ch]) + $(call msg,MOD,,$@) + $(Q)$(RM) bpf_test_modorder_y/bpf_test_modorder_y.ko # force re-compilation + $(Q)$(MAKE) $(submake_extras) RESOLVE_BTFIDS=$(RESOLVE_BTFIDS) -C bpf_test_modorder_y + $(Q)cp bpf_test_modorder_y/bpf_test_modorder_y.ko $@ + + DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool ifneq ($(CROSS_COMPILE),) CROSS_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool @@ -722,6 +736,8 @@ TRUNNER_EXTRA_SOURCES := test_progs.c \ ip_check_defrag_frags.h TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ $(OUTPUT)/bpf_test_no_cfi.ko \ + $(OUTPUT)/bpf_test_modorder_x.ko \ + $(OUTPUT)/bpf_test_modorder_y.ko \ $(OUTPUT)/liburandom_read.so \ $(OUTPUT)/xdp_synproxy \ $(OUTPUT)/sign-file \ @@ -856,6 +872,8 @@ EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ $(addprefix $(OUTPUT)/,*.o *.d *.skel.h *.lskel.h *.subskel.h \ no_alu32 cpuv4 bpf_gcc bpf_testmod.ko \ bpf_test_no_cfi.ko \ + bpf_test_modorder_x.ko \ + bpf_test_modorder_y.ko \ liburandom_read.so) \ $(OUTPUT)/FEATURE-DUMP.selftests diff --git a/tools/testing/selftests/bpf/bpf_test_modorder_x/Makefile b/tools/testing/selftests/bpf/bpf_test_modorder_x/Makefile new file mode 100644 index 000000000000..40b25b98ad1b --- /dev/null +++ b/tools/testing/selftests/bpf/bpf_test_modorder_x/Makefile @@ -0,0 +1,19 @@ +BPF_TESTMOD_DIR := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST))))) +KDIR ?= $(abspath $(BPF_TESTMOD_DIR)/../../../../..) + +ifeq ($(V),1) +Q = +else +Q = @ +endif + +MODULES = bpf_test_modorder_x.ko + +obj-m += bpf_test_modorder_x.o + +all: + +$(Q)make -C $(KDIR) M=$(BPF_TESTMOD_DIR) modules + +clean: + +$(Q)make -C $(KDIR) M=$(BPF_TESTMOD_DIR) clean + diff --git a/tools/testing/selftests/bpf/bpf_test_modorder_x/bpf_test_modorder_x.c b/tools/testing/selftests/bpf/bpf_test_modorder_x/bpf_test_modorder_x.c new file mode 100644 index 000000000000..0cc747fa912f --- /dev/null +++ b/tools/testing/selftests/bpf/bpf_test_modorder_x/bpf_test_modorder_x.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/bpf.h> +#include <linux/btf.h> +#include <linux/module.h> +#include <linux/init.h> + +__bpf_kfunc_start_defs(); + +__bpf_kfunc int bpf_test_modorder_retx(void) +{ + return 'x'; +} + +__bpf_kfunc_end_defs(); + +BTF_KFUNCS_START(bpf_test_modorder_kfunc_x_ids) +BTF_ID_FLAGS(func, bpf_test_modorder_retx); +BTF_KFUNCS_END(bpf_test_modorder_kfunc_x_ids) + +static const struct btf_kfunc_id_set bpf_test_modorder_x_set = { + .owner = THIS_MODULE, + .set = &bpf_test_modorder_kfunc_x_ids, +}; + +static int __init bpf_test_modorder_x_init(void) +{ + return register_btf_kfunc_id_set(BPF_PROG_TYPE_SCHED_CLS, + &bpf_test_modorder_x_set); +} + +static void __exit bpf_test_modorder_x_exit(void) +{ +} + +module_init(bpf_test_modorder_x_init); +module_exit(bpf_test_modorder_x_exit); + +MODULE_DESCRIPTION("BPF selftest ordertest module X"); +MODULE_LICENSE("GPL"); diff --git a/tools/testing/selftests/bpf/bpf_test_modorder_y/Makefile b/tools/testing/selftests/bpf/bpf_test_modorder_y/Makefile new file mode 100644 index 000000000000..52c3ab9d84e2 --- /dev/null +++ b/tools/testing/selftests/bpf/bpf_test_modorder_y/Makefile @@ -0,0 +1,19 @@ +BPF_TESTMOD_DIR := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST))))) +KDIR ?= $(abspath $(BPF_TESTMOD_DIR)/../../../../..) + +ifeq ($(V),1) +Q = +else +Q = @ +endif + +MODULES = bpf_test_modorder_y.ko + +obj-m += bpf_test_modorder_y.o + +all: + +$(Q)make -C $(KDIR) M=$(BPF_TESTMOD_DIR) modules + +clean: + +$(Q)make -C $(KDIR) M=$(BPF_TESTMOD_DIR) clean + diff --git a/tools/testing/selftests/bpf/bpf_test_modorder_y/bpf_test_modorder_y.c b/tools/testing/selftests/bpf/bpf_test_modorder_y/bpf_test_modorder_y.c new file mode 100644 index 000000000000..c627ee085d13 --- /dev/null +++ b/tools/testing/selftests/bpf/bpf_test_modorder_y/bpf_test_modorder_y.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/bpf.h> +#include <linux/btf.h> +#include <linux/module.h> +#include <linux/init.h> + +__bpf_kfunc_start_defs(); + +__bpf_kfunc int bpf_test_modorder_rety(void) +{ + return 'y'; +} + +__bpf_kfunc_end_defs(); + +BTF_KFUNCS_START(bpf_test_modorder_kfunc_y_ids) +BTF_ID_FLAGS(func, bpf_test_modorder_rety); +BTF_KFUNCS_END(bpf_test_modorder_kfunc_y_ids) + +static const struct btf_kfunc_id_set bpf_test_modorder_y_set = { + .owner = THIS_MODULE, + .set = &bpf_test_modorder_kfunc_y_ids, +}; + +static int __init bpf_test_modorder_y_init(void) +{ + return register_btf_kfunc_id_set(BPF_PROG_TYPE_SCHED_CLS, + &bpf_test_modorder_y_set); +} + +static void __exit bpf_test_modorder_y_exit(void) +{ +} + +module_init(bpf_test_modorder_y_init); +module_exit(bpf_test_modorder_y_exit); + +MODULE_DESCRIPTION("BPF selftest ordertest module Y"); +MODULE_LICENSE("GPL"); diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c index 52e6f7570475..f0a3a9c18e9e 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c @@ -226,7 +226,7 @@ static void test_task_common_nocheck(struct bpf_iter_attach_opts *opts, ASSERT_OK(pthread_create(&thread_id, NULL, &do_nothing_wait, NULL), "pthread_create"); - skel->bss->tid = getpid(); + skel->bss->tid = gettid(); do_dummy_read_opts(skel->progs.dump_task, opts); @@ -249,25 +249,42 @@ static void test_task_common(struct bpf_iter_attach_opts *opts, int num_unknown, ASSERT_EQ(num_known_tid, num_known, "check_num_known_tid"); } -static void test_task_tid(void) +static void *run_test_task_tid(void *arg) { LIBBPF_OPTS(bpf_iter_attach_opts, opts); union bpf_iter_link_info linfo; int num_unknown_tid, num_known_tid; + ASSERT_NEQ(getpid(), gettid(), "check_new_thread_id"); + memset(&linfo, 0, sizeof(linfo)); - linfo.task.tid = getpid(); + linfo.task.tid = gettid(); opts.link_info = &linfo; opts.link_info_len = sizeof(linfo); test_task_common(&opts, 0, 1); linfo.task.tid = 0; linfo.task.pid = getpid(); - test_task_common(&opts, 1, 1); + /* This includes the parent thread, this thread, + * and the do_nothing_wait thread + */ + test_task_common(&opts, 2, 1); test_task_common_nocheck(NULL, &num_unknown_tid, &num_known_tid); - ASSERT_GT(num_unknown_tid, 1, "check_num_unknown_tid"); + ASSERT_GT(num_unknown_tid, 2, "check_num_unknown_tid"); ASSERT_EQ(num_known_tid, 1, "check_num_known_tid"); + + return NULL; +} + +static void test_task_tid(void) +{ + pthread_t thread_id; + + /* Create a new thread so pid and tid aren't the same */ + ASSERT_OK(pthread_create(&thread_id, NULL, &run_test_task_tid, NULL), + "pthread_create"); + ASSERT_FALSE(pthread_join(thread_id, NULL), "pthread_join"); } static void test_task_pid(void) diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_ancestor.c b/tools/testing/selftests/bpf/prog_tests/cgroup_ancestor.c index 9250a1e9f9af..3f9ffdf71343 100644 --- a/tools/testing/selftests/bpf/prog_tests/cgroup_ancestor.c +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_ancestor.c @@ -35,7 +35,7 @@ static int send_datagram(void) if (!ASSERT_OK_FD(sock, "create socket")) return sock; - if (!ASSERT_OK(connect(sock, &addr, sizeof(addr)), "connect")) { + if (!ASSERT_OK(connect(sock, (struct sockaddr *)&addr, sizeof(addr)), "connect")) { close(sock); return -1; } diff --git a/tools/testing/selftests/bpf/prog_tests/cpumask.c b/tools/testing/selftests/bpf/prog_tests/cpumask.c index 2570bd4b0cb2..e58a04654238 100644 --- a/tools/testing/selftests/bpf/prog_tests/cpumask.c +++ b/tools/testing/selftests/bpf/prog_tests/cpumask.c @@ -23,6 +23,7 @@ static const char * const cpumask_success_testcases[] = { "test_global_mask_array_l2_rcu", "test_global_mask_nested_rcu", "test_global_mask_nested_deep_rcu", + "test_global_mask_nested_deep_array_rcu", "test_cpumask_weight", }; diff --git a/tools/testing/selftests/bpf/prog_tests/fill_link_info.c b/tools/testing/selftests/bpf/prog_tests/fill_link_info.c index f3932941bbaa..d50cbd8040d4 100644 --- a/tools/testing/selftests/bpf/prog_tests/fill_link_info.c +++ b/tools/testing/selftests/bpf/prog_tests/fill_link_info.c @@ -67,8 +67,9 @@ again: ASSERT_EQ(info.perf_event.kprobe.cookie, PERF_EVENT_COOKIE, "kprobe_cookie"); + ASSERT_EQ(info.perf_event.kprobe.name_len, strlen(KPROBE_FUNC) + 1, + "name_len"); if (!info.perf_event.kprobe.func_name) { - ASSERT_EQ(info.perf_event.kprobe.name_len, 0, "name_len"); info.perf_event.kprobe.func_name = ptr_to_u64(&buf); info.perf_event.kprobe.name_len = sizeof(buf); goto again; @@ -79,8 +80,9 @@ again: ASSERT_EQ(err, 0, "cmp_kprobe_func_name"); break; case BPF_PERF_EVENT_TRACEPOINT: + ASSERT_EQ(info.perf_event.tracepoint.name_len, strlen(TP_NAME) + 1, + "name_len"); if (!info.perf_event.tracepoint.tp_name) { - ASSERT_EQ(info.perf_event.tracepoint.name_len, 0, "name_len"); info.perf_event.tracepoint.tp_name = ptr_to_u64(&buf); info.perf_event.tracepoint.name_len = sizeof(buf); goto again; @@ -96,8 +98,9 @@ again: case BPF_PERF_EVENT_URETPROBE: ASSERT_EQ(info.perf_event.uprobe.offset, offset, "uprobe_offset"); + ASSERT_EQ(info.perf_event.uprobe.name_len, strlen(UPROBE_FILE) + 1, + "name_len"); if (!info.perf_event.uprobe.file_name) { - ASSERT_EQ(info.perf_event.uprobe.name_len, 0, "name_len"); info.perf_event.uprobe.file_name = ptr_to_u64(&buf); info.perf_event.uprobe.name_len = sizeof(buf); goto again; @@ -417,6 +420,15 @@ verify_umulti_link_info(int fd, bool retprobe, __u64 *offsets, if (!ASSERT_NEQ(err, -1, "readlink")) return -1; + memset(&info, 0, sizeof(info)); + err = bpf_link_get_info_by_fd(fd, &info, &len); + if (!ASSERT_OK(err, "bpf_link_get_info_by_fd")) + return -1; + + ASSERT_EQ(info.uprobe_multi.count, 3, "info.uprobe_multi.count"); + ASSERT_EQ(info.uprobe_multi.path_size, strlen(path) + 1, + "info.uprobe_multi.path_size"); + for (bit = 0; bit < 8; bit++) { memset(&info, 0, sizeof(info)); info.uprobe_multi.path = ptr_to_u64(path_buf); diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_module_order.c b/tools/testing/selftests/bpf/prog_tests/kfunc_module_order.c new file mode 100644 index 000000000000..48c0560d398e --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/kfunc_module_order.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include <testing_helpers.h> + +#include "kfunc_module_order.skel.h" + +static int test_run_prog(const struct bpf_program *prog, + struct bpf_test_run_opts *opts) +{ + int err; + + err = bpf_prog_test_run_opts(bpf_program__fd(prog), opts); + if (!ASSERT_OK(err, "bpf_prog_test_run_opts")) + return err; + + if (!ASSERT_EQ((int)opts->retval, 0, bpf_program__name(prog))) + return -EINVAL; + + return 0; +} + +void test_kfunc_module_order(void) +{ + struct kfunc_module_order *skel; + char pkt_data[64] = {}; + int err = 0; + + DECLARE_LIBBPF_OPTS(bpf_test_run_opts, test_opts, .data_in = pkt_data, + .data_size_in = sizeof(pkt_data)); + + err = load_module("bpf_test_modorder_x.ko", + env_verbosity > VERBOSE_NONE); + if (!ASSERT_OK(err, "load bpf_test_modorder_x.ko")) + return; + + err = load_module("bpf_test_modorder_y.ko", + env_verbosity > VERBOSE_NONE); + if (!ASSERT_OK(err, "load bpf_test_modorder_y.ko")) + goto exit_modx; + + skel = kfunc_module_order__open_and_load(); + if (!ASSERT_OK_PTR(skel, "kfunc_module_order__open_and_load()")) { + err = -EINVAL; + goto exit_mods; + } + + test_run_prog(skel->progs.call_kfunc_xy, &test_opts); + test_run_prog(skel->progs.call_kfunc_yx, &test_opts); + + kfunc_module_order__destroy(skel); +exit_mods: + unload_module("bpf_test_modorder_y", env_verbosity > VERBOSE_NONE); +exit_modx: + unload_module("bpf_test_modorder_x", env_verbosity > VERBOSE_NONE); +} diff --git a/tools/testing/selftests/bpf/prog_tests/netfilter_link_attach.c b/tools/testing/selftests/bpf/prog_tests/netfilter_link_attach.c index 4297a2a4cb11..2f52fa2641ba 100644 --- a/tools/testing/selftests/bpf/prog_tests/netfilter_link_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/netfilter_link_attach.c @@ -26,10 +26,43 @@ static const struct nf_link_test nf_hook_link_tests[] = { { .pf = NFPROTO_INET, .priority = 1, .name = "invalid-inet-not-supported", }, - { .pf = NFPROTO_IPV4, .priority = -10000, .expect_success = true, .name = "attach ipv4", }, - { .pf = NFPROTO_IPV6, .priority = 10001, .expect_success = true, .name = "attach ipv6", }, + { + .pf = NFPROTO_IPV4, + .hooknum = NF_INET_POST_ROUTING, + .priority = -10000, + .flags = 0, + .expect_success = true, + .name = "attach ipv4", + }, + { + .pf = NFPROTO_IPV6, + .hooknum = NF_INET_FORWARD, + .priority = 10001, + .flags = BPF_F_NETFILTER_IP_DEFRAG, + .expect_success = true, + .name = "attach ipv6", + }, }; +static void verify_netfilter_link_info(struct bpf_link *link, const struct nf_link_test nf_expected) +{ + struct bpf_link_info info; + __u32 len = sizeof(info); + int err, fd; + + memset(&info, 0, len); + + fd = bpf_link__fd(link); + err = bpf_link_get_info_by_fd(fd, &info, &len); + ASSERT_OK(err, "get_link_info"); + + ASSERT_EQ(info.type, BPF_LINK_TYPE_NETFILTER, "info link type"); + ASSERT_EQ(info.netfilter.pf, nf_expected.pf, "info nf protocol family"); + ASSERT_EQ(info.netfilter.hooknum, nf_expected.hooknum, "info nf hooknum"); + ASSERT_EQ(info.netfilter.priority, nf_expected.priority, "info nf priority"); + ASSERT_EQ(info.netfilter.flags, nf_expected.flags, "info nf flags"); +} + void test_netfilter_link_attach(void) { struct test_netfilter_link_attach *skel; @@ -64,6 +97,8 @@ void test_netfilter_link_attach(void) if (!ASSERT_OK_PTR(link, "program attach successful")) continue; + verify_netfilter_link_info(link, nf_hook_link_tests[i]); + link2 = bpf_program__attach_netfilter(prog, &opts); ASSERT_ERR_PTR(link2, "attach program with same pf/hook/priority"); @@ -73,6 +108,9 @@ void test_netfilter_link_attach(void) link2 = bpf_program__attach_netfilter(prog, &opts); if (!ASSERT_OK_PTR(link2, "program reattach successful")) continue; + + verify_netfilter_link_info(link2, nf_hook_link_tests[i]); + if (!ASSERT_OK(bpf_link__destroy(link2), "link destroy")) break; } else { diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c index e26b5150fc43..5356f26bbb3f 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -44,6 +44,7 @@ #include "verifier_ld_ind.skel.h" #include "verifier_ldsx.skel.h" #include "verifier_leak_ptr.skel.h" +#include "verifier_linked_scalars.skel.h" #include "verifier_loops1.skel.h" #include "verifier_lwt.skel.h" #include "verifier_map_in_map.skel.h" @@ -170,6 +171,7 @@ void test_verifier_jit_convergence(void) { RUN(verifier_jit_convergence); } void test_verifier_ld_ind(void) { RUN(verifier_ld_ind); } void test_verifier_ldsx(void) { RUN(verifier_ldsx); } void test_verifier_leak_ptr(void) { RUN(verifier_leak_ptr); } +void test_verifier_linked_scalars(void) { RUN(verifier_linked_scalars); } void test_verifier_loops1(void) { RUN(verifier_loops1); } void test_verifier_lwt(void) { RUN(verifier_lwt); } void test_verifier_map_in_map(void) { RUN(verifier_map_in_map); } diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c index ce6812558287..27ffed17d4be 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c @@ -1,6 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 +#include <arpa/inet.h> #include <uapi/linux/bpf.h> #include <linux/if_link.h> +#include <network_helpers.h> +#include <net/if.h> #include <test_progs.h> #include "test_xdp_devmap_helpers.skel.h" @@ -8,31 +11,36 @@ #include "test_xdp_with_devmap_helpers.skel.h" #define IFINDEX_LO 1 +#define TEST_NS "devmap_attach_ns" static void test_xdp_with_devmap_helpers(void) { - struct test_xdp_with_devmap_helpers *skel; + struct test_xdp_with_devmap_helpers *skel = NULL; struct bpf_prog_info info = {}; struct bpf_devmap_val val = { .ifindex = IFINDEX_LO, }; __u32 len = sizeof(info); - int err, dm_fd, map_fd; + int err, dm_fd, dm_fd_redir, map_fd; + struct nstoken *nstoken = NULL; + char data[10] = {}; __u32 idx = 0; + SYS(out_close, "ip netns add %s", TEST_NS); + nstoken = open_netns(TEST_NS); + if (!ASSERT_OK_PTR(nstoken, "open_netns")) + goto out_close; + SYS(out_close, "ip link set dev lo up"); skel = test_xdp_with_devmap_helpers__open_and_load(); if (!ASSERT_OK_PTR(skel, "test_xdp_with_devmap_helpers__open_and_load")) - return; + goto out_close; - dm_fd = bpf_program__fd(skel->progs.xdp_redir_prog); - err = bpf_xdp_attach(IFINDEX_LO, dm_fd, XDP_FLAGS_SKB_MODE, NULL); + dm_fd_redir = bpf_program__fd(skel->progs.xdp_redir_prog); + err = bpf_xdp_attach(IFINDEX_LO, dm_fd_redir, XDP_FLAGS_SKB_MODE, NULL); if (!ASSERT_OK(err, "Generic attach of program with 8-byte devmap")) goto out_close; - err = bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_SKB_MODE, NULL); - ASSERT_OK(err, "XDP program detach"); - dm_fd = bpf_program__fd(skel->progs.xdp_dummy_dm); map_fd = bpf_map__fd(skel->maps.dm_ports); err = bpf_prog_get_info_by_fd(dm_fd, &info, &len); @@ -47,6 +55,22 @@ static void test_xdp_with_devmap_helpers(void) ASSERT_OK(err, "Read devmap entry"); ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to devmap entry prog_id"); + /* send a packet to trigger any potential bugs in there */ + DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts, + .data_in = &data, + .data_size_in = 10, + .flags = BPF_F_TEST_XDP_LIVE_FRAMES, + .repeat = 1, + ); + err = bpf_prog_test_run_opts(dm_fd_redir, &opts); + ASSERT_OK(err, "XDP test run"); + + /* wait for the packets to be flushed */ + kern_sync_rcu(); + + err = bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_SKB_MODE, NULL); + ASSERT_OK(err, "XDP program detach"); + /* can not attach BPF_XDP_DEVMAP program to a device */ err = bpf_xdp_attach(IFINDEX_LO, dm_fd, XDP_FLAGS_SKB_MODE, NULL); if (!ASSERT_NEQ(err, 0, "Attach of BPF_XDP_DEVMAP program")) @@ -67,6 +91,8 @@ static void test_xdp_with_devmap_helpers(void) ASSERT_NEQ(err, 0, "Add BPF_XDP program with frags to devmap entry"); out_close: + close_netns(nstoken); + SYS_NOFAIL("ip netns del %s", TEST_NS); test_xdp_with_devmap_helpers__destroy(skel); } @@ -124,6 +150,86 @@ out_close: test_xdp_with_devmap_frags_helpers__destroy(skel); } +static void test_xdp_with_devmap_helpers_veth(void) +{ + struct test_xdp_with_devmap_helpers *skel = NULL; + struct bpf_prog_info info = {}; + struct bpf_devmap_val val = {}; + struct nstoken *nstoken = NULL; + __u32 len = sizeof(info); + int err, dm_fd, dm_fd_redir, map_fd, ifindex_dst; + char data[10] = {}; + __u32 idx = 0; + + SYS(out_close, "ip netns add %s", TEST_NS); + nstoken = open_netns(TEST_NS); + if (!ASSERT_OK_PTR(nstoken, "open_netns")) + goto out_close; + + SYS(out_close, "ip link add veth_src type veth peer name veth_dst"); + SYS(out_close, "ip link set dev veth_src up"); + SYS(out_close, "ip link set dev veth_dst up"); + + val.ifindex = if_nametoindex("veth_src"); + ifindex_dst = if_nametoindex("veth_dst"); + if (!ASSERT_NEQ(val.ifindex, 0, "val.ifindex") || + !ASSERT_NEQ(ifindex_dst, 0, "ifindex_dst")) + goto out_close; + + skel = test_xdp_with_devmap_helpers__open_and_load(); + if (!ASSERT_OK_PTR(skel, "test_xdp_with_devmap_helpers__open_and_load")) + goto out_close; + + dm_fd_redir = bpf_program__fd(skel->progs.xdp_redir_prog); + err = bpf_xdp_attach(val.ifindex, dm_fd_redir, XDP_FLAGS_DRV_MODE, NULL); + if (!ASSERT_OK(err, "Attach of program with 8-byte devmap")) + goto out_close; + + dm_fd = bpf_program__fd(skel->progs.xdp_dummy_dm); + map_fd = bpf_map__fd(skel->maps.dm_ports); + err = bpf_prog_get_info_by_fd(dm_fd, &info, &len); + if (!ASSERT_OK(err, "bpf_prog_get_info_by_fd")) + goto out_close; + + val.bpf_prog.fd = dm_fd; + err = bpf_map_update_elem(map_fd, &idx, &val, 0); + ASSERT_OK(err, "Add program to devmap entry"); + + err = bpf_map_lookup_elem(map_fd, &idx, &val); + ASSERT_OK(err, "Read devmap entry"); + ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to devmap entry prog_id"); + + /* attach dummy to other side to enable reception */ + dm_fd = bpf_program__fd(skel->progs.xdp_dummy_prog); + err = bpf_xdp_attach(ifindex_dst, dm_fd, XDP_FLAGS_DRV_MODE, NULL); + if (!ASSERT_OK(err, "Attach of dummy XDP")) + goto out_close; + + /* send a packet to trigger any potential bugs in there */ + DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts, + .data_in = &data, + .data_size_in = 10, + .flags = BPF_F_TEST_XDP_LIVE_FRAMES, + .repeat = 1, + ); + err = bpf_prog_test_run_opts(dm_fd_redir, &opts); + ASSERT_OK(err, "XDP test run"); + + /* wait for the packets to be flushed */ + kern_sync_rcu(); + + err = bpf_xdp_detach(val.ifindex, XDP_FLAGS_DRV_MODE, NULL); + ASSERT_OK(err, "XDP program detach"); + + err = bpf_xdp_detach(ifindex_dst, XDP_FLAGS_DRV_MODE, NULL); + ASSERT_OK(err, "XDP program detach"); + +out_close: + close_netns(nstoken); + SYS_NOFAIL("ip netns del %s", TEST_NS); + test_xdp_with_devmap_helpers__destroy(skel); +} + void serial_test_xdp_devmap_attach(void) { if (test__start_subtest("DEVMAP with programs in entries")) @@ -134,4 +240,7 @@ void serial_test_xdp_devmap_attach(void) if (test__start_subtest("Verifier check of DEVMAP programs")) test_neg_xdp_devmap_helpers(); + + if (test__start_subtest("DEVMAP with programs in entries on veth")) + test_xdp_with_devmap_helpers_veth(); } diff --git a/tools/testing/selftests/bpf/progs/cpumask_common.h b/tools/testing/selftests/bpf/progs/cpumask_common.h index b979e91f55f0..4ece7873ba60 100644 --- a/tools/testing/selftests/bpf/progs/cpumask_common.h +++ b/tools/testing/selftests/bpf/progs/cpumask_common.h @@ -7,6 +7,11 @@ #include "errno.h" #include <stdbool.h> +/* Should use BTF_FIELDS_MAX, but it is not always available in vmlinux.h, + * so use the hard-coded number as a workaround. + */ +#define CPUMASK_KPTR_FIELDS_MAX 11 + int err; #define private(name) SEC(".bss." #name) __attribute__((aligned(8))) diff --git a/tools/testing/selftests/bpf/progs/cpumask_failure.c b/tools/testing/selftests/bpf/progs/cpumask_failure.c index a988d2823b52..b40b52548ffb 100644 --- a/tools/testing/selftests/bpf/progs/cpumask_failure.c +++ b/tools/testing/selftests/bpf/progs/cpumask_failure.c @@ -10,6 +10,21 @@ char _license[] SEC("license") = "GPL"; +struct kptr_nested_array_2 { + struct bpf_cpumask __kptr * mask; +}; + +struct kptr_nested_array_1 { + /* Make btf_parse_fields() in map_create() return -E2BIG */ + struct kptr_nested_array_2 d_2[CPUMASK_KPTR_FIELDS_MAX + 1]; +}; + +struct kptr_nested_array { + struct kptr_nested_array_1 d_1; +}; + +private(MASK_NESTED) static struct kptr_nested_array global_mask_nested_arr; + /* Prototype for all of the program trace events below: * * TRACE_EVENT(task_newtask, @@ -187,3 +202,23 @@ int BPF_PROG(test_global_mask_rcu_no_null_check, struct task_struct *task, u64 c return 0; } + +SEC("tp_btf/task_newtask") +__failure __msg("has no valid kptr") +int BPF_PROG(test_invalid_nested_array, struct task_struct *task, u64 clone_flags) +{ + struct bpf_cpumask *local, *prev; + + local = create_cpumask(); + if (!local) + return 0; + + prev = bpf_kptr_xchg(&global_mask_nested_arr.d_1.d_2[CPUMASK_KPTR_FIELDS_MAX].mask, local); + if (prev) { + bpf_cpumask_release(prev); + err = 3; + return 0; + } + + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/cpumask_success.c b/tools/testing/selftests/bpf/progs/cpumask_success.c index fd8106831c32..80ee469b0b60 100644 --- a/tools/testing/selftests/bpf/progs/cpumask_success.c +++ b/tools/testing/selftests/bpf/progs/cpumask_success.c @@ -31,11 +31,59 @@ struct kptr_nested_deep { struct kptr_nested_pair ptr_pairs[3]; }; +struct kptr_nested_deep_array_1_2 { + int dummy; + struct bpf_cpumask __kptr * mask[CPUMASK_KPTR_FIELDS_MAX]; +}; + +struct kptr_nested_deep_array_1_1 { + int dummy; + struct kptr_nested_deep_array_1_2 d_2; +}; + +struct kptr_nested_deep_array_1 { + long dummy; + struct kptr_nested_deep_array_1_1 d_1; +}; + +struct kptr_nested_deep_array_2_2 { + long dummy[2]; + struct bpf_cpumask __kptr * mask; +}; + +struct kptr_nested_deep_array_2_1 { + int dummy; + struct kptr_nested_deep_array_2_2 d_2[CPUMASK_KPTR_FIELDS_MAX]; +}; + +struct kptr_nested_deep_array_2 { + long dummy; + struct kptr_nested_deep_array_2_1 d_1; +}; + +struct kptr_nested_deep_array_3_2 { + long dummy[2]; + struct bpf_cpumask __kptr * mask; +}; + +struct kptr_nested_deep_array_3_1 { + int dummy; + struct kptr_nested_deep_array_3_2 d_2; +}; + +struct kptr_nested_deep_array_3 { + long dummy; + struct kptr_nested_deep_array_3_1 d_1[CPUMASK_KPTR_FIELDS_MAX]; +}; + private(MASK) static struct bpf_cpumask __kptr * global_mask_array[2]; private(MASK) static struct bpf_cpumask __kptr * global_mask_array_l2[2][1]; private(MASK) static struct bpf_cpumask __kptr * global_mask_array_one[1]; private(MASK) static struct kptr_nested global_mask_nested[2]; private(MASK_DEEP) static struct kptr_nested_deep global_mask_nested_deep; +private(MASK_1) static struct kptr_nested_deep_array_1 global_mask_nested_deep_array_1; +private(MASK_2) static struct kptr_nested_deep_array_2 global_mask_nested_deep_array_2; +private(MASK_3) static struct kptr_nested_deep_array_3 global_mask_nested_deep_array_3; static bool is_test_task(void) { @@ -543,12 +591,21 @@ static int _global_mask_array_rcu(struct bpf_cpumask **mask0, goto err_exit; } - /* [<mask 0>, NULL] */ - if (!*mask0 || *mask1) { + /* [<mask 0>, *] */ + if (!*mask0) { err = 2; goto err_exit; } + if (!mask1) + goto err_exit; + + /* [*, NULL] */ + if (*mask1) { + err = 3; + goto err_exit; + } + local = create_cpumask(); if (!local) { err = 9; @@ -632,6 +689,23 @@ int BPF_PROG(test_global_mask_nested_deep_rcu, struct task_struct *task, u64 clo } SEC("tp_btf/task_newtask") +int BPF_PROG(test_global_mask_nested_deep_array_rcu, struct task_struct *task, u64 clone_flags) +{ + int i; + + for (i = 0; i < CPUMASK_KPTR_FIELDS_MAX; i++) + _global_mask_array_rcu(&global_mask_nested_deep_array_1.d_1.d_2.mask[i], NULL); + + for (i = 0; i < CPUMASK_KPTR_FIELDS_MAX; i++) + _global_mask_array_rcu(&global_mask_nested_deep_array_2.d_1.d_2[i].mask, NULL); + + for (i = 0; i < CPUMASK_KPTR_FIELDS_MAX; i++) + _global_mask_array_rcu(&global_mask_nested_deep_array_3.d_1[i].d_2.mask, NULL); + + return 0; +} + +SEC("tp_btf/task_newtask") int BPF_PROG(test_cpumask_weight, struct task_struct *task, u64 clone_flags) { struct bpf_cpumask *local; diff --git a/tools/testing/selftests/bpf/progs/kfunc_module_order.c b/tools/testing/selftests/bpf/progs/kfunc_module_order.c new file mode 100644 index 000000000000..76003d04c95f --- /dev/null +++ b/tools/testing/selftests/bpf/progs/kfunc_module_order.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +extern int bpf_test_modorder_retx(void) __ksym; +extern int bpf_test_modorder_rety(void) __ksym; + +SEC("classifier") +int call_kfunc_xy(struct __sk_buff *skb) +{ + int ret1, ret2; + + ret1 = bpf_test_modorder_retx(); + ret2 = bpf_test_modorder_rety(); + + return ret1 == 'x' && ret2 == 'y' ? 0 : -1; +} + +SEC("classifier") +int call_kfunc_yx(struct __sk_buff *skb) +{ + int ret1, ret2; + + ret1 = bpf_test_modorder_rety(); + ret2 = bpf_test_modorder_retx(); + + return ret1 == 'y' && ret2 == 'x' ? 0 : -1; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.h b/tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.h index f8b1b7e68d2e..34024de6337e 100644 --- a/tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.h +++ b/tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.h @@ -22,7 +22,7 @@ __builtin_memcpy(b, __tmp, sizeof(a)); \ } while (0) -/* asm-generic/unaligned.h */ +/* linux/unaligned.h */ #define __get_unaligned_t(type, ptr) ({ \ const struct { type x; } __packed * __pptr = (typeof(__pptr))(ptr); \ __pptr->x; \ diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c index 4139a14f9996..92b65a485d4a 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c +++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c @@ -12,7 +12,7 @@ struct { SEC("xdp") int xdp_redir_prog(struct xdp_md *ctx) { - return bpf_redirect_map(&dm_ports, 1, 0); + return bpf_redirect_map(&dm_ports, 0, 0); } /* invalid program on DEVMAP entry; diff --git a/tools/testing/selftests/bpf/progs/verifier_linked_scalars.c b/tools/testing/selftests/bpf/progs/verifier_linked_scalars.c new file mode 100644 index 000000000000..8f755d2464cf --- /dev/null +++ b/tools/testing/selftests/bpf/progs/verifier_linked_scalars.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include "bpf_misc.h" + +SEC("socket") +__description("scalars: find linked scalars") +__failure +__msg("math between fp pointer and 2147483647 is not allowed") +__naked void scalars(void) +{ + asm volatile (" \ + r0 = 0; \ + r1 = 0x80000001 ll; \ + r1 /= 1; \ + r2 = r1; \ + r4 = r1; \ + w2 += 0x7FFFFFFF; \ + w4 += 0; \ + if r2 == 0 goto l1; \ + exit; \ +l1: \ + r4 >>= 63; \ + r3 = 1; \ + r3 -= r4; \ + r3 *= 0x7FFFFFFF; \ + r3 += r10; \ + *(u8*)(r3 - 1) = r0; \ + exit; \ +" ::: __clobber_all); +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/verifier_movsx.c b/tools/testing/selftests/bpf/progs/verifier_movsx.c index 028ec855587b..994bbc346d25 100644 --- a/tools/testing/selftests/bpf/progs/verifier_movsx.c +++ b/tools/testing/selftests/bpf/progs/verifier_movsx.c @@ -287,6 +287,46 @@ l0_%=: \ : __clobber_all); } +SEC("socket") +__description("MOV64SX, S8, unsigned range_check") +__success __retval(0) +__naked void mov64sx_s8_range_check(void) +{ + asm volatile (" \ + call %[bpf_get_prandom_u32]; \ + r0 &= 0x1; \ + r0 += 0xfe; \ + r0 = (s8)r0; \ + if r0 < 0xfffffffffffffffe goto label_%=; \ + r0 = 0; \ + exit; \ +label_%=: \ + exit; \ +" : + : __imm(bpf_get_prandom_u32) + : __clobber_all); +} + +SEC("socket") +__description("MOV32SX, S8, unsigned range_check") +__success __retval(0) +__naked void mov32sx_s8_range_check(void) +{ + asm volatile (" \ + call %[bpf_get_prandom_u32]; \ + w0 &= 0x1; \ + w0 += 0xfe; \ + w0 = (s8)w0; \ + if w0 < 0xfffffffe goto label_%=; \ + r0 = 0; \ + exit; \ +label_%=: \ + exit; \ + " : + : __imm(bpf_get_prandom_u32) + : __clobber_all); +} + #else SEC("socket") diff --git a/tools/testing/selftests/bpf/progs/verifier_scalar_ids.c b/tools/testing/selftests/bpf/progs/verifier_scalar_ids.c index 2ecf77b623e0..7c5e5e6d10eb 100644 --- a/tools/testing/selftests/bpf/progs/verifier_scalar_ids.c +++ b/tools/testing/selftests/bpf/progs/verifier_scalar_ids.c @@ -760,4 +760,71 @@ __naked void two_old_ids_one_cur_id(void) : __clobber_all); } +SEC("socket") +/* Note the flag, see verifier.c:opt_subreg_zext_lo32_rnd_hi32() */ +__flag(BPF_F_TEST_RND_HI32) +__success +/* This test was added because of a bug in verifier.c:sync_linked_regs(), + * upon range propagation it destroyed subreg_def marks for registers. + * The subreg_def mark is used to decide whether zero extension instructions + * are needed when register is read. When BPF_F_TEST_RND_HI32 is set it + * also causes generation of statements to randomize upper halves of + * read registers. + * + * The test is written in a way to return an upper half of a register + * that is affected by range propagation and must have it's subreg_def + * preserved. This gives a return value of 0 and leads to undefined + * return value if subreg_def mark is not preserved. + */ +__retval(0) +/* Check that verifier believes r1/r0 are zero at exit */ +__log_level(2) +__msg("4: (77) r1 >>= 32 ; R1_w=0") +__msg("5: (bf) r0 = r1 ; R0_w=0 R1_w=0") +__msg("6: (95) exit") +__msg("from 3 to 4") +__msg("4: (77) r1 >>= 32 ; R1_w=0") +__msg("5: (bf) r0 = r1 ; R0_w=0 R1_w=0") +__msg("6: (95) exit") +/* Verify that statements to randomize upper half of r1 had not been + * generated. + */ +__xlated("call unknown") +__xlated("r0 &= 2147483647") +__xlated("w1 = w0") +/* This is how disasm.c prints BPF_ZEXT_REG at the moment, x86 and arm + * are the only CI archs that do not need zero extension for subregs. + */ +#if !defined(__TARGET_ARCH_x86) && !defined(__TARGET_ARCH_arm64) +__xlated("w1 = w1") +#endif +__xlated("if w0 < 0xa goto pc+0") +__xlated("r1 >>= 32") +__xlated("r0 = r1") +__xlated("exit") +__naked void linked_regs_and_subreg_def(void) +{ + asm volatile ( + "call %[bpf_ktime_get_ns];" + /* make sure r0 is in 32-bit range, otherwise w1 = w0 won't + * assign same IDs to registers. + */ + "r0 &= 0x7fffffff;" + /* link w1 and w0 via ID */ + "w1 = w0;" + /* 'if' statement propagates range info from w0 to w1, + * but should not affect w1->subreg_def property. + */ + "if w0 < 10 goto +0;" + /* r1 is read here, on archs that require subreg zero + * extension this would cause zext patch generation. + */ + "r1 >>= 32;" + "r0 = r1;" + "exit;" + : + : __imm(bpf_ktime_get_ns) + : __clobber_all); +} + char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c index d3c3c3a24150..5e9f16683be5 100644 --- a/tools/testing/selftests/bpf/testing_helpers.c +++ b/tools/testing/selftests/bpf/testing_helpers.c @@ -367,7 +367,7 @@ int delete_module(const char *name, int flags) return syscall(__NR_delete_module, name, flags); } -int unload_bpf_testmod(bool verbose) +int unload_module(const char *name, bool verbose) { int ret, cnt = 0; @@ -375,11 +375,11 @@ int unload_bpf_testmod(bool verbose) fprintf(stdout, "Failed to trigger kernel-side RCU sync!\n"); for (;;) { - ret = delete_module("bpf_testmod", 0); + ret = delete_module(name, 0); if (!ret || errno != EAGAIN) break; if (++cnt > 10000) { - fprintf(stdout, "Unload of bpf_testmod timed out\n"); + fprintf(stdout, "Unload of %s timed out\n", name); break; } usleep(100); @@ -388,41 +388,51 @@ int unload_bpf_testmod(bool verbose) if (ret) { if (errno == ENOENT) { if (verbose) - fprintf(stdout, "bpf_testmod.ko is already unloaded.\n"); + fprintf(stdout, "%s.ko is already unloaded.\n", name); return -1; } - fprintf(stdout, "Failed to unload bpf_testmod.ko from kernel: %d\n", -errno); + fprintf(stdout, "Failed to unload %s.ko from kernel: %d\n", name, -errno); return -1; } if (verbose) - fprintf(stdout, "Successfully unloaded bpf_testmod.ko.\n"); + fprintf(stdout, "Successfully unloaded %s.ko.\n", name); return 0; } -int load_bpf_testmod(bool verbose) +int load_module(const char *path, bool verbose) { int fd; if (verbose) - fprintf(stdout, "Loading bpf_testmod.ko...\n"); + fprintf(stdout, "Loading %s...\n", path); - fd = open("bpf_testmod.ko", O_RDONLY); + fd = open(path, O_RDONLY); if (fd < 0) { - fprintf(stdout, "Can't find bpf_testmod.ko kernel module: %d\n", -errno); + fprintf(stdout, "Can't find %s kernel module: %d\n", path, -errno); return -ENOENT; } if (finit_module(fd, "", 0)) { - fprintf(stdout, "Failed to load bpf_testmod.ko into the kernel: %d\n", -errno); + fprintf(stdout, "Failed to load %s into the kernel: %d\n", path, -errno); close(fd); return -EINVAL; } close(fd); if (verbose) - fprintf(stdout, "Successfully loaded bpf_testmod.ko.\n"); + fprintf(stdout, "Successfully loaded %s.\n", path); return 0; } +int unload_bpf_testmod(bool verbose) +{ + return unload_module("bpf_testmod", verbose); +} + +int load_bpf_testmod(bool verbose) +{ + return load_module("bpf_testmod.ko", verbose); +} + /* * Trigger synchronize_rcu() in kernel. */ diff --git a/tools/testing/selftests/bpf/testing_helpers.h b/tools/testing/selftests/bpf/testing_helpers.h index d55f6ab12433..46d7f7089f63 100644 --- a/tools/testing/selftests/bpf/testing_helpers.h +++ b/tools/testing/selftests/bpf/testing_helpers.h @@ -38,6 +38,8 @@ int unload_bpf_testmod(bool verbose); int kern_sync_rcu(void); int finit_module(int fd, const char *param_values, int flags); int delete_module(const char *name, int flags); +int load_module(const char *path, bool verbose); +int unload_module(const char *name, bool verbose); static inline __u64 get_time_ns(void) { diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c index dfec31fb9b30..8d275f03e977 100644 --- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c +++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c @@ -152,7 +152,10 @@ void suspend(void) if (err < 0) ksft_exit_fail_msg("timerfd_settime() failed\n"); - if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem")) + system("(echo mem > /sys/power/state) 2> /dev/null"); + + timerfd_gettime(timerfd, &spec); + if (spec.it_value.tv_sec != 0 || spec.it_value.tv_nsec != 0) ksft_exit_fail_msg("Failed to enter Suspend state\n"); close(timerfd); diff --git a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c index 31b56d625655..3c196fa86c99 100644 --- a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c +++ b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c @@ -27,8 +27,6 @@ #include "../kselftest_harness.h" #include "clone3_selftests.h" -#define MAX_PID_NS_LEVEL 32 - static void child_exit(int ret) { fflush(stdout); diff --git a/tools/testing/selftests/core/.gitignore b/tools/testing/selftests/core/.gitignore index 6e6712ce5817..7999361992aa 100644 --- a/tools/testing/selftests/core/.gitignore +++ b/tools/testing/selftests/core/.gitignore @@ -1 +1,2 @@ close_range_test +unshare_test diff --git a/tools/testing/selftests/devices/probe/test_discoverable_devices.py b/tools/testing/selftests/devices/probe/test_discoverable_devices.py index d94a74b8a054..d7a2bb91c807 100755 --- a/tools/testing/selftests/devices/probe/test_discoverable_devices.py +++ b/tools/testing/selftests/devices/probe/test_discoverable_devices.py @@ -45,7 +45,7 @@ def find_pci_controller_dirs(): def find_usb_controller_dirs(): - usb_controller_sysfs_dir = "usb[\d]+" + usb_controller_sysfs_dir = r"usb[\d]+" dir_regex = re.compile(usb_controller_sysfs_dir) for d in os.scandir(sysfs_usb_devices): @@ -91,7 +91,7 @@ def get_acpi_uid(sysfs_dev_dir): def get_usb_version(sysfs_dev_dir): - re_usb_version = re.compile("PRODUCT=.*/(\d)/.*") + re_usb_version = re.compile(r"PRODUCT=.*/(\d)/.*") with open(os.path.join(sysfs_dev_dir, "uevent")) as f: return int(re_usb_version.search(f.read()).group(1)) diff --git a/tools/testing/selftests/exec/.gitignore b/tools/testing/selftests/exec/.gitignore index 90c238ba6a4b..a0dc5d4bf733 100644 --- a/tools/testing/selftests/exec/.gitignore +++ b/tools/testing/selftests/exec/.gitignore @@ -9,7 +9,8 @@ execveat.ephemeral execveat.denatured non-regular null-argv -/load_address_* +/load_address.* +!load_address.c /recursion-depth xxxxxxxx* pipe diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-profiler.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-profiler.tc new file mode 100644 index 000000000000..ffff8646733c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-profiler.tc @@ -0,0 +1,31 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: ftrace - function profiler with function graph tracing +# requires: function_profile_enabled set_ftrace_filter function_graph:tracer + +# The function graph tracer can now be run along side of the function +# profiler. But there was a bug that caused the combination of the two +# to crash. It also required the function graph tracer to be started +# first. +# +# This test triggers that bug +# +# We need both function_graph and profiling to run this test + +fail() { # mesg + echo $1 + exit_fail +} + +echo "Enabling function graph tracer:" +echo function_graph > current_tracer +echo "enable profiler" + +# Older kernels do not allow function_profile to be enabled with +# function graph tracer. If the below fails, mark it as unsupported +echo 1 > function_profile_enabled || exit_unsupported + +# Let it run for a bit to make sure nothing explodes +sleep 1 + +exit 0 diff --git a/tools/testing/selftests/hid/Makefile b/tools/testing/selftests/hid/Makefile index 72be55ac4bdf..662209f5fabc 100644 --- a/tools/testing/selftests/hid/Makefile +++ b/tools/testing/selftests/hid/Makefile @@ -17,6 +17,9 @@ TEST_PROGS += hid-tablet.sh TEST_PROGS += hid-usb_crash.sh TEST_PROGS += hid-wacom.sh +TEST_FILES := run-hid-tools-tests.sh +TEST_FILES += tests + CXX ?= $(CROSS_COMPILE)g++ HOSTPKG_CONFIG := pkg-config diff --git a/tools/testing/selftests/kvm/memslot_modification_stress_test.c b/tools/testing/selftests/kvm/memslot_modification_stress_test.c index e3343f0df9e1..c81a84990eab 100644 --- a/tools/testing/selftests/kvm/memslot_modification_stress_test.c +++ b/tools/testing/selftests/kvm/memslot_modification_stress_test.c @@ -169,12 +169,14 @@ int main(int argc, char *argv[]) case 'i': p.nr_iterations = atoi_positive("Number of iterations", optarg); break; +#ifdef __x86_64__ case 'q': p.disable_slot_zap_quirk = true; TEST_REQUIRE(kvm_check_cap(KVM_CAP_DISABLE_QUIRKS2) & KVM_X86_QUIRK_SLOT_ZAP_ALL); break; +#endif case 'h': default: help(argv[0]); diff --git a/tools/testing/selftests/kvm/memslot_perf_test.c b/tools/testing/selftests/kvm/memslot_perf_test.c index 893366982f77..989ffe0d047f 100644 --- a/tools/testing/selftests/kvm/memslot_perf_test.c +++ b/tools/testing/selftests/kvm/memslot_perf_test.c @@ -113,7 +113,9 @@ static_assert(ATOMIC_BOOL_LOCK_FREE == 2, "atomic bool is not lockless"); static sem_t vcpu_ready; static bool map_unmap_verify; +#ifdef __x86_64__ static bool disable_slot_zap_quirk; +#endif static bool verbose; #define pr_info_v(...) \ @@ -579,8 +581,10 @@ static bool test_memslot_move_prepare(struct vm_data *data, uint32_t guest_page_size = data->vm->page_size; uint64_t movesrcgpa, movetestgpa; +#ifdef __x86_64__ if (disable_slot_zap_quirk) vm_enable_cap(data->vm, KVM_CAP_DISABLE_QUIRKS2, KVM_X86_QUIRK_SLOT_ZAP_ALL); +#endif movesrcgpa = vm_slot2gpa(data, data->nslots - 1); @@ -971,11 +975,13 @@ static bool parse_args(int argc, char *argv[], case 'd': map_unmap_verify = true; break; +#ifdef __x86_64__ case 'q': disable_slot_zap_quirk = true; TEST_REQUIRE(kvm_check_cap(KVM_CAP_DISABLE_QUIRKS2) & KVM_X86_QUIRK_SLOT_ZAP_ALL); break; +#endif case 's': targs->nslots = atoi_paranoid(optarg); if (targs->nslots <= 1 && targs->nslots != -1) { diff --git a/tools/testing/selftests/mm/hmm-tests.c b/tools/testing/selftests/mm/hmm-tests.c index d2cfc9b494a0..141bf63cbe05 100644 --- a/tools/testing/selftests/mm/hmm-tests.c +++ b/tools/testing/selftests/mm/hmm-tests.c @@ -1657,7 +1657,7 @@ TEST_F(hmm2, double_map) buffer->fd = -1; buffer->size = size; - buffer->mirror = malloc(npages); + buffer->mirror = malloc(size); ASSERT_NE(buffer->mirror, NULL); /* Reserve a range of addresses. */ diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/selftests/mm/khugepaged.c index 56d4480e8d3c..8a4d34cce36b 100644 --- a/tools/testing/selftests/mm/khugepaged.c +++ b/tools/testing/selftests/mm/khugepaged.c @@ -1091,7 +1091,7 @@ static void usage(void) fprintf(stderr, "\n\t\"file,all\" mem_type requires kernel built with\n"); fprintf(stderr, "\tCONFIG_READ_ONLY_THP_FOR_FS=y\n"); fprintf(stderr, "\n\tif [dir] is a (sub)directory of a tmpfs mount, tmpfs must be\n"); - fprintf(stderr, "\tmounted with huge=madvise option for khugepaged tests to work\n"); + fprintf(stderr, "\tmounted with huge=advise option for khugepaged tests to work\n"); fprintf(stderr, "\n\tSupported Options:\n"); fprintf(stderr, "\t\t-h: This help message.\n"); fprintf(stderr, "\t\t-s: mTHP size, expressed as page order.\n"); diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c index 717539eddf98..852e7281026e 100644 --- a/tools/testing/selftests/mm/uffd-common.c +++ b/tools/testing/selftests/mm/uffd-common.c @@ -18,7 +18,7 @@ bool test_uffdio_wp = true; unsigned long long *count_verify; uffd_test_ops_t *uffd_test_ops; uffd_test_case_ops_t *uffd_test_case_ops; -atomic_bool ready_for_fork; +pthread_barrier_t ready_for_fork; static int uffd_mem_fd_create(off_t mem_size, bool hugetlb) { @@ -519,7 +519,8 @@ void *uffd_poll_thread(void *arg) pollfd[1].fd = pipefd[cpu*2]; pollfd[1].events = POLLIN; - ready_for_fork = true; + /* Ready for parent thread to fork */ + pthread_barrier_wait(&ready_for_fork); for (;;) { ret = poll(pollfd, 2, -1); diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h index a70ae10b5f62..3e6228d8e0dc 100644 --- a/tools/testing/selftests/mm/uffd-common.h +++ b/tools/testing/selftests/mm/uffd-common.h @@ -33,7 +33,6 @@ #include <inttypes.h> #include <stdint.h> #include <sys/random.h> -#include <stdatomic.h> #include "../kselftest.h" #include "vm_util.h" @@ -105,7 +104,7 @@ extern bool map_shared; extern bool test_uffdio_wp; extern unsigned long long *count_verify; extern volatile bool test_uffdio_copy_eexist; -extern atomic_bool ready_for_fork; +extern pthread_barrier_t ready_for_fork; extern uffd_test_ops_t anon_uffd_test_ops; extern uffd_test_ops_t shmem_uffd_test_ops; diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c index b3d21eed203d..c8a3b1c7edff 100644 --- a/tools/testing/selftests/mm/uffd-unit-tests.c +++ b/tools/testing/selftests/mm/uffd-unit-tests.c @@ -241,6 +241,9 @@ static void *fork_event_consumer(void *data) fork_event_args *args = data; struct uffd_msg msg = { 0 }; + /* Ready for parent thread to fork */ + pthread_barrier_wait(&ready_for_fork); + /* Read until a full msg received */ while (uffd_read_msg(args->parent_uffd, &msg)); @@ -308,8 +311,12 @@ static int pagemap_test_fork(int uffd, bool with_event, bool test_pin) /* Prepare a thread to resolve EVENT_FORK */ if (with_event) { + pthread_barrier_init(&ready_for_fork, NULL, 2); if (pthread_create(&thread, NULL, fork_event_consumer, &args)) err("pthread_create()"); + /* Wait for child thread to start before forking */ + pthread_barrier_wait(&ready_for_fork); + pthread_barrier_destroy(&ready_for_fork); } child = fork(); @@ -774,7 +781,7 @@ static void uffd_sigbus_test_common(bool wp) char c; struct uffd_args args = { 0 }; - ready_for_fork = false; + pthread_barrier_init(&ready_for_fork, NULL, 2); fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK); @@ -791,8 +798,9 @@ static void uffd_sigbus_test_common(bool wp) if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args)) err("uffd_poll_thread create"); - while (!ready_for_fork) - ; /* Wait for the poll_thread to start executing before forking */ + /* Wait for child thread to start before forking */ + pthread_barrier_wait(&ready_for_fork); + pthread_barrier_destroy(&ready_for_fork); pid = fork(); if (pid < 0) @@ -833,7 +841,7 @@ static void uffd_events_test_common(bool wp) char c; struct uffd_args args = { 0 }; - ready_for_fork = false; + pthread_barrier_init(&ready_for_fork, NULL, 2); fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK); if (uffd_register(uffd, area_dst, nr_pages * page_size, @@ -844,8 +852,9 @@ static void uffd_events_test_common(bool wp) if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args)) err("uffd_poll_thread create"); - while (!ready_for_fork) - ; /* Wait for the poll_thread to start executing before forking */ + /* Wait for child thread to start before forking */ + pthread_barrier_wait(&ready_for_fork); + pthread_barrier_destroy(&ready_for_fork); pid = fork(); if (pid < 0) diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore index 1c04c780db66..217d8b7a7365 100644 --- a/tools/testing/selftests/net/.gitignore +++ b/tools/testing/selftests/net/.gitignore @@ -16,6 +16,7 @@ ipsec ipv6_flowlabel ipv6_flowlabel_mgr log.txt +msg_oob msg_zerocopy ncdevmem nettest diff --git a/tools/testing/selftests/net/forwarding/no_forwarding.sh b/tools/testing/selftests/net/forwarding/no_forwarding.sh index 9e677aa64a06..694ece9ba3a7 100755 --- a/tools/testing/selftests/net/forwarding/no_forwarding.sh +++ b/tools/testing/selftests/net/forwarding/no_forwarding.sh @@ -202,7 +202,7 @@ one_bridge_two_pvids() ip link set $swp2 master br0 bridge vlan add dev $swp1 vid 1 pvid untagged - bridge vlan add dev $swp1 vid 2 pvid untagged + bridge vlan add dev $swp2 vid 2 pvid untagged run_test "Switch ports in VLAN-aware bridge with different PVIDs" diff --git a/tools/testing/selftests/net/lib/py/nsim.py b/tools/testing/selftests/net/lib/py/nsim.py index f571a8b3139b..1a8cbe9acc48 100644 --- a/tools/testing/selftests/net/lib/py/nsim.py +++ b/tools/testing/selftests/net/lib/py/nsim.py @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 +import errno import json import os import random diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index e8d0a01b4144..c07e2bd3a315 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -23,6 +23,7 @@ tmpfile="" cout="" err="" capout="" +cappid="" ns1="" ns2="" iptables="iptables" @@ -887,40 +888,62 @@ check_cestab() fi } -do_transfer() +cond_start_capture() { - local listener_ns="$1" - local connector_ns="$2" - local cl_proto="$3" - local srv_proto="$4" - local connect_addr="$5" - - local port=$((10000 + MPTCP_LIB_TEST_COUNTER - 1)) - local cappid - local FAILING_LINKS=${FAILING_LINKS:-""} - local fastclose=${fastclose:-""} - local speed=${speed:-"fast"} + local ns="$1" - :> "$cout" - :> "$sout" :> "$capout" if $capture; then - local capuser - if [ -z $SUDO_USER ] ; then + local capuser capfile + if [ -z $SUDO_USER ]; then capuser="" else capuser="-Z $SUDO_USER" fi - capfile=$(printf "mp_join-%02u-%s.pcap" "$MPTCP_LIB_TEST_COUNTER" "${listener_ns}") + capfile=$(printf "mp_join-%02u-%s.pcap" "$MPTCP_LIB_TEST_COUNTER" "$ns") echo "Capturing traffic for test $MPTCP_LIB_TEST_COUNTER into $capfile" - ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 & + ip netns exec "$ns" tcpdump -i any -s 65535 -B 32768 $capuser -w "$capfile" > "$capout" 2>&1 & cappid=$! sleep 1 fi +} + +cond_stop_capture() +{ + if $capture; then + sleep 1 + kill $cappid + cat "$capout" + fi +} + +get_port() +{ + echo "$((10000 + MPTCP_LIB_TEST_COUNTER - 1))" +} + +do_transfer() +{ + local listener_ns="$1" + local connector_ns="$2" + local cl_proto="$3" + local srv_proto="$4" + local connect_addr="$5" + local port + + local FAILING_LINKS=${FAILING_LINKS:-""} + local fastclose=${fastclose:-""} + local speed=${speed:-"fast"} + port=$(get_port) + + :> "$cout" + :> "$sout" + + cond_start_capture ${listener_ns} NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat -n @@ -1007,10 +1030,7 @@ do_transfer() wait $spid local rets=$? - if $capture; then - sleep 1 - kill $cappid - fi + cond_stop_capture NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat | grep Tcp > /tmp/${listener_ns}.out @@ -1026,7 +1046,6 @@ do_transfer() ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port" cat /tmp/${connector_ns}.out - cat "$capout" return 1 fi @@ -1043,13 +1062,7 @@ do_transfer() fi rets=$? - if [ $retc -eq 0 ] && [ $rets -eq 0 ];then - cat "$capout" - return 0 - fi - - cat "$capout" - return 1 + [ $retc -eq 0 ] && [ $rets -eq 0 ] } make_file() @@ -2873,6 +2886,32 @@ verify_listener_events() fail_test } +chk_mpc_endp_attempt() +{ + local retl=$1 + local attempts=$2 + + print_check "Connect" + + if [ ${retl} = 124 ]; then + fail_test "timeout on connect" + elif [ ${retl} = 0 ]; then + fail_test "unexpected successful connect" + else + print_ok + + print_check "Attempts" + count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPCapableEndpAttempt") + if [ -z "$count" ]; then + print_skip + elif [ "$count" != "$attempts" ]; then + fail_test "got ${count} MPC attempt[s] on port-based endpoint, expected ${attempts}" + else + print_ok + fi + fi +} + add_addr_ports_tests() { # signal address with port @@ -2963,6 +3002,22 @@ add_addr_ports_tests() chk_join_nr 2 2 2 chk_add_nr 2 2 2 fi + + if reset "port-based signal endpoint must not accept mpc"; then + local port retl count + port=$(get_port) + + cond_start_capture ${ns1} + pm_nl_add_endpoint ${ns1} 10.0.2.1 flags signal port ${port} + mptcp_lib_wait_local_port_listen ${ns1} ${port} + + timeout 1 ip netns exec ${ns2} \ + ./mptcp_connect -t ${timeout_poll} -p $port -s MPTCP 10.0.2.1 >/dev/null 2>&1 + retl=$? + cond_stop_capture + + chk_mpc_endp_attempt ${retl} 1 + fi } syncookies_tests() diff --git a/tools/testing/selftests/net/netfilter/Makefile b/tools/testing/selftests/net/netfilter/Makefile index e6c9e777fead..542f7886a0bc 100644 --- a/tools/testing/selftests/net/netfilter/Makefile +++ b/tools/testing/selftests/net/netfilter/Makefile @@ -31,6 +31,7 @@ TEST_PROGS += nft_tproxy_tcp.sh TEST_PROGS += nft_tproxy_udp.sh TEST_PROGS += nft_zones_many.sh TEST_PROGS += rpath.sh +TEST_PROGS += vxlan_mtu_frag.sh TEST_PROGS += xt_string.sh TEST_PROGS_EXTENDED = nft_concat_range_perf.sh diff --git a/tools/testing/selftests/net/netfilter/config b/tools/testing/selftests/net/netfilter/config index c5fe7b34eaf1..43d8b500d391 100644 --- a/tools/testing/selftests/net/netfilter/config +++ b/tools/testing/selftests/net/netfilter/config @@ -7,6 +7,7 @@ CONFIG_BRIDGE_EBT_REDIRECT=m CONFIG_BRIDGE_EBT_T_FILTER=m CONFIG_BRIDGE_NETFILTER=m CONFIG_BRIDGE_NF_EBTABLES=m +CONFIG_BRIDGE_VLAN_FILTERING=y CONFIG_CGROUP_BPF=y CONFIG_DUMMY=m CONFIG_INET_ESP=m @@ -84,6 +85,7 @@ CONFIG_NFT_SYNPROXY=m CONFIG_NFT_TPROXY=m CONFIG_VETH=m CONFIG_VLAN_8021Q=m +CONFIG_VXLAN=m CONFIG_XFRM_USER=m CONFIG_XFRM_STATISTICS=y CONFIG_NET_PKTGEN=m diff --git a/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c b/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c index bd9317bf5ada..dc056fec993b 100644 --- a/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c +++ b/tools/testing/selftests/net/netfilter/conntrack_dump_flush.c @@ -207,6 +207,7 @@ static int conntrack_data_generate_v6(struct mnl_socket *sock, static int count_entries(const struct nlmsghdr *nlh, void *data) { reply_counter++; + return MNL_CB_OK; } static int conntracK_count_zone(struct mnl_socket *sock, uint16_t zone) diff --git a/tools/testing/selftests/net/netfilter/conntrack_vrf.sh b/tools/testing/selftests/net/netfilter/conntrack_vrf.sh index 073e8e62d350..e95ecb37c2b1 100755 --- a/tools/testing/selftests/net/netfilter/conntrack_vrf.sh +++ b/tools/testing/selftests/net/netfilter/conntrack_vrf.sh @@ -32,6 +32,7 @@ source lib.sh IP0=172.30.30.1 IP1=172.30.30.2 +DUMMYNET=10.9.9 PFXL=30 ret=0 @@ -54,6 +55,7 @@ setup_ns ns0 ns1 ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.default.rp_filter=0 ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.all.rp_filter=0 ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.all.rp_filter=0 +ip netns exec "$ns0" sysctl -q -w net.ipv4.conf.all.forwarding=1 if ! ip link add veth0 netns "$ns0" type veth peer name veth0 netns "$ns1" > /dev/null 2>&1; then echo "SKIP: Could not add veth device" @@ -65,13 +67,18 @@ if ! ip -net "$ns0" li add tvrf type vrf table 9876; then exit $ksft_skip fi +ip -net "$ns0" link add dummy0 type dummy + ip -net "$ns0" li set veth0 master tvrf +ip -net "$ns0" li set dummy0 master tvrf ip -net "$ns0" li set tvrf up ip -net "$ns0" li set veth0 up +ip -net "$ns0" li set dummy0 up ip -net "$ns1" li set veth0 up ip -net "$ns0" addr add $IP0/$PFXL dev veth0 ip -net "$ns1" addr add $IP1/$PFXL dev veth0 +ip -net "$ns0" addr add $DUMMYNET.1/$PFXL dev dummy0 listener_ready() { @@ -212,9 +219,35 @@ EOF fi } +test_fib() +{ +ip netns exec "$ns0" nft -f - <<EOF +flush ruleset +table ip t { + counter fibcount { } + + chain prerouting { + type filter hook prerouting priority 0; + meta iifname veth0 ip daddr $DUMMYNET.2 fib daddr oif dummy0 counter name fibcount notrack + } +} +EOF + ip -net "$ns1" route add 10.9.9.0/24 via "$IP0" dev veth0 + ip netns exec "$ns1" ping -q -w 1 -c 1 "$DUMMYNET".2 > /dev/null + + if ip netns exec "$ns0" nft list counter t fibcount | grep -q "packets 1"; then + echo "PASS: fib lookup returned exepected output interface" + else + echo "FAIL: fib lookup did not return exepected output interface" + ret=1 + return + fi +} + test_ct_zone_in test_masquerade_vrf "default" test_masquerade_vrf "pfifo" test_masquerade_veth +test_fib exit $ret diff --git a/tools/testing/selftests/net/netfilter/nft_audit.sh b/tools/testing/selftests/net/netfilter/nft_audit.sh index 902f8114bc80..87f2b4c725aa 100755 --- a/tools/testing/selftests/net/netfilter/nft_audit.sh +++ b/tools/testing/selftests/net/netfilter/nft_audit.sh @@ -48,12 +48,31 @@ logread_pid=$! trap 'kill $logread_pid; rm -f $logfile $rulefile' EXIT exec 3<"$logfile" +lsplit='s/^\(.*\) entries=\([^ ]*\) \(.*\)$/pfx="\1"\nval="\2"\nsfx="\3"/' +summarize_logs() { + sum=0 + while read line; do + eval $(sed "$lsplit" <<< "$line") + [[ $sum -gt 0 ]] && { + [[ "$pfx $sfx" == "$tpfx $tsfx" ]] && { + let "sum += val" + continue + } + echo "$tpfx entries=$sum $tsfx" + } + tpfx="$pfx" + tsfx="$sfx" + sum=$val + done + echo "$tpfx entries=$sum $tsfx" +} + do_test() { # (cmd, log) echo -n "testing for cmd: $1 ... " cat <&3 >/dev/null $1 >/dev/null || exit 1 sleep 0.1 - res=$(diff -a -u <(echo "$2") - <&3) + res=$(diff -a -u <(echo "$2") <(summarize_logs <&3)) [ $? -eq 0 ] && { echo "OK"; return; } echo "FAIL" grep -v '^\(---\|+++\|@@\)' <<< "$res" @@ -152,31 +171,17 @@ do_test 'nft reset rules t1 c2' \ 'table=t1 family=2 entries=3 op=nft_reset_rule' do_test 'nft reset rules table t1' \ -'table=t1 family=2 entries=3 op=nft_reset_rule -table=t1 family=2 entries=3 op=nft_reset_rule -table=t1 family=2 entries=3 op=nft_reset_rule' +'table=t1 family=2 entries=9 op=nft_reset_rule' do_test 'nft reset rules t2 c3' \ -'table=t2 family=2 entries=189 op=nft_reset_rule -table=t2 family=2 entries=188 op=nft_reset_rule -table=t2 family=2 entries=126 op=nft_reset_rule' +'table=t2 family=2 entries=503 op=nft_reset_rule' do_test 'nft reset rules t2' \ -'table=t2 family=2 entries=3 op=nft_reset_rule -table=t2 family=2 entries=3 op=nft_reset_rule -table=t2 family=2 entries=186 op=nft_reset_rule -table=t2 family=2 entries=188 op=nft_reset_rule -table=t2 family=2 entries=129 op=nft_reset_rule' +'table=t2 family=2 entries=509 op=nft_reset_rule' do_test 'nft reset rules' \ -'table=t1 family=2 entries=3 op=nft_reset_rule -table=t1 family=2 entries=3 op=nft_reset_rule -table=t1 family=2 entries=3 op=nft_reset_rule -table=t2 family=2 entries=3 op=nft_reset_rule -table=t2 family=2 entries=3 op=nft_reset_rule -table=t2 family=2 entries=180 op=nft_reset_rule -table=t2 family=2 entries=188 op=nft_reset_rule -table=t2 family=2 entries=135 op=nft_reset_rule' +'table=t1 family=2 entries=9 op=nft_reset_rule +table=t2 family=2 entries=509 op=nft_reset_rule' # resetting sets and elements @@ -200,13 +205,11 @@ do_test 'nft reset counters t1' \ 'table=t1 family=2 entries=1 op=nft_reset_obj' do_test 'nft reset counters t2' \ -'table=t2 family=2 entries=342 op=nft_reset_obj -table=t2 family=2 entries=158 op=nft_reset_obj' +'table=t2 family=2 entries=500 op=nft_reset_obj' do_test 'nft reset counters' \ 'table=t1 family=2 entries=1 op=nft_reset_obj -table=t2 family=2 entries=341 op=nft_reset_obj -table=t2 family=2 entries=159 op=nft_reset_obj' +table=t2 family=2 entries=500 op=nft_reset_obj' # resetting quotas @@ -217,13 +220,11 @@ do_test 'nft reset quotas t1' \ 'table=t1 family=2 entries=1 op=nft_reset_obj' do_test 'nft reset quotas t2' \ -'table=t2 family=2 entries=315 op=nft_reset_obj -table=t2 family=2 entries=185 op=nft_reset_obj' +'table=t2 family=2 entries=500 op=nft_reset_obj' do_test 'nft reset quotas' \ 'table=t1 family=2 entries=1 op=nft_reset_obj -table=t2 family=2 entries=314 op=nft_reset_obj -table=t2 family=2 entries=186 op=nft_reset_obj' +table=t2 family=2 entries=500 op=nft_reset_obj' # deleting rules diff --git a/tools/testing/selftests/net/netfilter/vxlan_mtu_frag.sh b/tools/testing/selftests/net/netfilter/vxlan_mtu_frag.sh new file mode 100755 index 000000000000..912cb9583af1 --- /dev/null +++ b/tools/testing/selftests/net/netfilter/vxlan_mtu_frag.sh @@ -0,0 +1,121 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +source lib.sh + +if ! modprobe -q -n br_netfilter 2>&1; then + echo "SKIP: Test needs br_netfilter kernel module" + exit $ksft_skip +fi + +cleanup() +{ + cleanup_all_ns +} + +trap cleanup EXIT + +setup_ns host vtep router + +create_topology() +{ + ip link add host-eth0 netns "$host" type veth peer name vtep-host netns "$vtep" + ip link add vtep-router netns "$vtep" type veth peer name router-vtep netns "$router" +} + +setup_host() +{ + # bring ports up + ip -n "$host" addr add 10.0.0.1/24 dev host-eth0 + ip -n "$host" link set host-eth0 up + + # Add VLAN 10,20 + for vid in 10 20; do + ip -n "$host" link add link host-eth0 name host-eth0.$vid type vlan id $vid + ip -n "$host" addr add 10.0.$vid.1/24 dev host-eth0.$vid + ip -n "$host" link set host-eth0.$vid up + done +} + +setup_vtep() +{ + # create bridge on vtep + ip -n "$vtep" link add name br0 type bridge + ip -n "$vtep" link set br0 type bridge vlan_filtering 1 + + # VLAN 10 is untagged PVID + ip -n "$vtep" link set dev vtep-host master br0 + bridge -n "$vtep" vlan add dev vtep-host vid 10 pvid untagged + + # VLAN 20 as other VID + ip -n "$vtep" link set dev vtep-host master br0 + bridge -n "$vtep" vlan add dev vtep-host vid 20 + + # single-vxlan device on vtep + ip -n "$vtep" address add dev vtep-router 60.0.0.1/24 + ip -n "$vtep" link add dev vxd type vxlan external \ + vnifilter local 60.0.0.1 remote 60.0.0.2 dstport 4789 ttl 64 + ip -n "$vtep" link set vxd master br0 + + # Add VLAN-VNI 1-1 mappings + bridge -n "$vtep" link set dev vxd vlan_tunnel on + for vid in 10 20; do + bridge -n "$vtep" vlan add dev vxd vid $vid + bridge -n "$vtep" vlan add dev vxd vid $vid tunnel_info id $vid + bridge -n "$vtep" vni add dev vxd vni $vid + done + + # bring ports up + ip -n "$vtep" link set vxd up + ip -n "$vtep" link set vtep-router up + ip -n "$vtep" link set vtep-host up + ip -n "$vtep" link set dev br0 up +} + +setup_router() +{ + # bring ports up + ip -n "$router" link set router-vtep up +} + +setup() +{ + modprobe -q br_netfilter + create_topology + setup_host + setup_vtep + setup_router +} + +test_large_mtu_untagged_traffic() +{ + ip -n "$vtep" link set vxd mtu 1000 + ip -n "$host" neigh add 10.0.0.2 lladdr ca:fe:ba:be:00:01 dev host-eth0 + ip netns exec "$host" \ + ping -q 10.0.0.2 -I host-eth0 -c 1 -W 0.5 -s2000 > /dev/null 2>&1 + return 0 +} + +test_large_mtu_tagged_traffic() +{ + for vid in 10 20; do + ip -n "$vtep" link set vxd mtu 1000 + ip -n "$host" neigh add 10.0.$vid.2 lladdr ca:fe:ba:be:00:01 dev host-eth0.$vid + ip netns exec "$host" \ + ping -q 10.0.$vid.2 -I host-eth0.$vid -c 1 -W 0.5 -s2000 > /dev/null 2>&1 + done + return 0 +} + +do_test() +{ + # Frames will be dropped so ping will not succeed + # If it doesn't panic, it passes + test_large_mtu_tagged_traffic + test_large_mtu_untagged_traffic +} + +setup && \ +echo "Test for VxLAN fragmentation with large MTU in br_netfilter:" && \ +do_test && echo "PASS!" +exit $? diff --git a/tools/testing/selftests/net/rds/.gitignore b/tools/testing/selftests/net/rds/.gitignore new file mode 100644 index 000000000000..1c6f04e2aa11 --- /dev/null +++ b/tools/testing/selftests/net/rds/.gitignore @@ -0,0 +1 @@ +include.sh diff --git a/tools/testing/selftests/net/rds/Makefile b/tools/testing/selftests/net/rds/Makefile index da9714bc7aad..1803c39dbacb 100644 --- a/tools/testing/selftests/net/rds/Makefile +++ b/tools/testing/selftests/net/rds/Makefile @@ -4,9 +4,10 @@ all: @echo mk_build_dir="$(shell pwd)" > include.sh TEST_PROGS := run.sh \ - include.sh \ test.py -EXTRA_CLEAN := /tmp/rds_logs +TEST_FILES := include.sh + +EXTRA_CLEAN := /tmp/rds_logs include.sh include ../../lib.mk diff --git a/tools/testing/selftests/net/rds/test.py b/tools/testing/selftests/net/rds/test.py index e6bb109bcead..4a7178d11193 100644..100755 --- a/tools/testing/selftests/net/rds/test.py +++ b/tools/testing/selftests/net/rds/test.py @@ -14,8 +14,11 @@ import sys import atexit from pwd import getpwuid from os import stat -from lib.py import ip +# Allow utils module to be imported from different directory +this_dir = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(this_dir, "../")) +from lib.py.utils import ip libc = ctypes.cdll.LoadLibrary('libc.so.6') setns = libc.setns diff --git a/tools/testing/selftests/net/ynl.mk b/tools/testing/selftests/net/ynl.mk index 59cb26cf3f73..1ef24119def0 100644 --- a/tools/testing/selftests/net/ynl.mk +++ b/tools/testing/selftests/net/ynl.mk @@ -19,3 +19,7 @@ $(YNL_OUTPUTS): CFLAGS += \ $(OUTPUT)/libynl.a: $(Q)$(MAKE) -C $(top_srcdir)/tools/net/ynl GENS="$(YNL_GENS)" libynl.a $(Q)cp $(top_srcdir)/tools/net/ynl/libynl.a $(OUTPUT)/libynl.a + +EXTRA_CLEAN += \ + $(top_srcdir)/tools/net/ynl/lib/__pycache__ \ + $(top_srcdir)/tools/net/ynl/lib/*.[ado] diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c index 96e812bdf8a4..5b9772cdf265 100644 --- a/tools/testing/selftests/rseq/rseq.c +++ b/tools/testing/selftests/rseq/rseq.c @@ -60,12 +60,6 @@ unsigned int rseq_size = -1U; /* Flags used during rseq registration. */ unsigned int rseq_flags; -/* - * rseq feature size supported by the kernel. 0 if the registration was - * unsuccessful. - */ -unsigned int rseq_feature_size = -1U; - static int rseq_ownership; static int rseq_reg_success; /* At least one rseq registration has succeded. */ @@ -111,6 +105,43 @@ int rseq_available(void) } } +/* The rseq areas need to be at least 32 bytes. */ +static +unsigned int get_rseq_min_alloc_size(void) +{ + unsigned int alloc_size = rseq_size; + + if (alloc_size < ORIG_RSEQ_ALLOC_SIZE) + alloc_size = ORIG_RSEQ_ALLOC_SIZE; + return alloc_size; +} + +/* + * Return the feature size supported by the kernel. + * + * Depending on the value returned by getauxval(AT_RSEQ_FEATURE_SIZE): + * + * 0: Return ORIG_RSEQ_FEATURE_SIZE (20) + * > 0: Return the value from getauxval(AT_RSEQ_FEATURE_SIZE). + * + * It should never return a value below ORIG_RSEQ_FEATURE_SIZE. + */ +static +unsigned int get_rseq_kernel_feature_size(void) +{ + unsigned long auxv_rseq_feature_size, auxv_rseq_align; + + auxv_rseq_align = getauxval(AT_RSEQ_ALIGN); + assert(!auxv_rseq_align || auxv_rseq_align <= RSEQ_THREAD_AREA_ALLOC_SIZE); + + auxv_rseq_feature_size = getauxval(AT_RSEQ_FEATURE_SIZE); + assert(!auxv_rseq_feature_size || auxv_rseq_feature_size <= RSEQ_THREAD_AREA_ALLOC_SIZE); + if (auxv_rseq_feature_size) + return auxv_rseq_feature_size; + else + return ORIG_RSEQ_FEATURE_SIZE; +} + int rseq_register_current_thread(void) { int rc; @@ -119,7 +150,7 @@ int rseq_register_current_thread(void) /* Treat libc's ownership as a successful registration. */ return 0; } - rc = sys_rseq(&__rseq_abi, rseq_size, 0, RSEQ_SIG); + rc = sys_rseq(&__rseq_abi, get_rseq_min_alloc_size(), 0, RSEQ_SIG); if (rc) { if (RSEQ_READ_ONCE(rseq_reg_success)) { /* Incoherent success/failure within process. */ @@ -140,28 +171,12 @@ int rseq_unregister_current_thread(void) /* Treat libc's ownership as a successful unregistration. */ return 0; } - rc = sys_rseq(&__rseq_abi, rseq_size, RSEQ_ABI_FLAG_UNREGISTER, RSEQ_SIG); + rc = sys_rseq(&__rseq_abi, get_rseq_min_alloc_size(), RSEQ_ABI_FLAG_UNREGISTER, RSEQ_SIG); if (rc) return -1; return 0; } -static -unsigned int get_rseq_feature_size(void) -{ - unsigned long auxv_rseq_feature_size, auxv_rseq_align; - - auxv_rseq_align = getauxval(AT_RSEQ_ALIGN); - assert(!auxv_rseq_align || auxv_rseq_align <= RSEQ_THREAD_AREA_ALLOC_SIZE); - - auxv_rseq_feature_size = getauxval(AT_RSEQ_FEATURE_SIZE); - assert(!auxv_rseq_feature_size || auxv_rseq_feature_size <= RSEQ_THREAD_AREA_ALLOC_SIZE); - if (auxv_rseq_feature_size) - return auxv_rseq_feature_size; - else - return ORIG_RSEQ_FEATURE_SIZE; -} - static __attribute__((constructor)) void rseq_init(void) { @@ -178,28 +193,54 @@ void rseq_init(void) } if (libc_rseq_size_p && libc_rseq_offset_p && libc_rseq_flags_p && *libc_rseq_size_p != 0) { + unsigned int libc_rseq_size; + /* rseq registration owned by glibc */ rseq_offset = *libc_rseq_offset_p; - rseq_size = *libc_rseq_size_p; + libc_rseq_size = *libc_rseq_size_p; rseq_flags = *libc_rseq_flags_p; - rseq_feature_size = get_rseq_feature_size(); - if (rseq_feature_size > rseq_size) - rseq_feature_size = rseq_size; + + /* + * Previous versions of glibc expose the value + * 32 even though the kernel only supported 20 + * bytes initially. Therefore treat 32 as a + * special-case. glibc 2.40 exposes a 20 bytes + * __rseq_size without using getauxval(3) to + * query the supported size, while still allocating a 32 + * bytes area. Also treat 20 as a special-case. + * + * Special-cases are handled by using the following + * value as active feature set size: + * + * rseq_size = min(32, get_rseq_kernel_feature_size()) + */ + switch (libc_rseq_size) { + case ORIG_RSEQ_FEATURE_SIZE: + fallthrough; + case ORIG_RSEQ_ALLOC_SIZE: + { + unsigned int rseq_kernel_feature_size = get_rseq_kernel_feature_size(); + + if (rseq_kernel_feature_size < ORIG_RSEQ_ALLOC_SIZE) + rseq_size = rseq_kernel_feature_size; + else + rseq_size = ORIG_RSEQ_ALLOC_SIZE; + break; + } + default: + /* Otherwise just use the __rseq_size from libc as rseq_size. */ + rseq_size = libc_rseq_size; + break; + } return; } rseq_ownership = 1; if (!rseq_available()) { rseq_size = 0; - rseq_feature_size = 0; return; } rseq_offset = (void *)&__rseq_abi - rseq_thread_pointer(); rseq_flags = 0; - rseq_feature_size = get_rseq_feature_size(); - if (rseq_feature_size == ORIG_RSEQ_FEATURE_SIZE) - rseq_size = ORIG_RSEQ_ALLOC_SIZE; - else - rseq_size = RSEQ_THREAD_AREA_ALLOC_SIZE; } static __attribute__((destructor)) @@ -209,7 +250,6 @@ void rseq_exit(void) return; rseq_offset = 0; rseq_size = -1U; - rseq_feature_size = -1U; rseq_ownership = 0; } diff --git a/tools/testing/selftests/rseq/rseq.h b/tools/testing/selftests/rseq/rseq.h index d7364ea4d201..4e217b620e0c 100644 --- a/tools/testing/selftests/rseq/rseq.h +++ b/tools/testing/selftests/rseq/rseq.h @@ -68,12 +68,6 @@ extern unsigned int rseq_size; /* Flags used during rseq registration. */ extern unsigned int rseq_flags; -/* - * rseq feature size supported by the kernel. 0 if the registration was - * unsuccessful. - */ -extern unsigned int rseq_feature_size; - enum rseq_mo { RSEQ_MO_RELAXED = 0, RSEQ_MO_CONSUME = 1, /* Unused */ @@ -193,7 +187,7 @@ static inline uint32_t rseq_current_cpu(void) static inline bool rseq_node_id_available(void) { - return (int) rseq_feature_size >= rseq_offsetofend(struct rseq_abi, node_id); + return (int) rseq_size >= rseq_offsetofend(struct rseq_abi, node_id); } /* @@ -207,7 +201,7 @@ static inline uint32_t rseq_current_node_id(void) static inline bool rseq_mm_cid_available(void) { - return (int) rseq_feature_size >= rseq_offsetofend(struct rseq_abi, mm_cid); + return (int) rseq_size >= rseq_offsetofend(struct rseq_abi, mm_cid); } static inline uint32_t rseq_current_mm_cid(void) diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c index 9647b14b47c5..38a8e67de77d 100644 --- a/tools/testing/selftests/rtc/rtctest.c +++ b/tools/testing/selftests/rtc/rtctest.c @@ -412,6 +412,8 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) { int main(int argc, char **argv) { + int ret = -1; + switch (argc) { case 2: rtc_file = argv[1]; @@ -423,5 +425,12 @@ int main(int argc, char **argv) return 1; } - return test_harness_run(argc, argv); + /* Run the test if rtc_file is accessible */ + if (access(rtc_file, R_OK) == 0) + ret = test_harness_run(argc, argv); + else + ksft_exit_skip("[SKIP]: Cannot access rtc file %s - Exiting\n", + rtc_file); + + return ret; } diff --git a/tools/testing/selftests/sched_ext/Makefile b/tools/testing/selftests/sched_ext/Makefile index 0754a2c110a1..06ae9c107049 100644 --- a/tools/testing/selftests/sched_ext/Makefile +++ b/tools/testing/selftests/sched_ext/Makefile @@ -3,23 +3,12 @@ include ../../../build/Build.include include ../../../scripts/Makefile.arch include ../../../scripts/Makefile.include -include ../lib.mk -ifneq ($(LLVM),) -ifneq ($(filter %/,$(LLVM)),) -LLVM_PREFIX := $(LLVM) -else ifneq ($(filter -%,$(LLVM)),) -LLVM_SUFFIX := $(LLVM) -endif - -CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as -else -CC := gcc -endif # LLVM +TEST_GEN_PROGS := runner -ifneq ($(CROSS_COMPILE),) -$(error CROSS_COMPILE not supported for scx selftests) -endif # CROSS_COMPILE +# override lib.mk's default rules +OVERRIDE_TARGETS := 1 +include ../lib.mk CURDIR := $(abspath .) REPOROOT := $(abspath ../../../..) @@ -34,18 +23,23 @@ GENHDR := $(GENDIR)/autoconf.h SCXTOOLSDIR := $(TOOLSDIR)/sched_ext SCXTOOLSINCDIR := $(TOOLSDIR)/sched_ext/include -OUTPUT_DIR := $(CURDIR)/build +OUTPUT_DIR := $(OUTPUT)/build OBJ_DIR := $(OUTPUT_DIR)/obj INCLUDE_DIR := $(OUTPUT_DIR)/include BPFOBJ_DIR := $(OBJ_DIR)/libbpf SCXOBJ_DIR := $(OBJ_DIR)/sched_ext BPFOBJ := $(BPFOBJ_DIR)/libbpf.a LIBBPF_OUTPUT := $(OBJ_DIR)/libbpf/libbpf.a -DEFAULT_BPFTOOL := $(OUTPUT_DIR)/sbin/bpftool -HOST_BUILD_DIR := $(OBJ_DIR) -HOST_OUTPUT_DIR := $(OUTPUT_DIR) -VMLINUX_BTF_PATHS ?= ../../../../vmlinux \ +DEFAULT_BPFTOOL := $(OUTPUT_DIR)/host/sbin/bpftool +HOST_OBJ_DIR := $(OBJ_DIR)/host/bpftool +HOST_LIBBPF_OUTPUT := $(OBJ_DIR)/host/libbpf/ +HOST_LIBBPF_DESTDIR := $(OUTPUT_DIR)/host/ +HOST_DESTDIR := $(OUTPUT_DIR)/host/ + +VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ + $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ + ../../../../vmlinux \ /sys/kernel/btf/vmlinux \ /boot/vmlinux-$(shell uname -r) VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) @@ -80,17 +74,23 @@ IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ # Use '-idirafter': Don't interfere with include mechanics except where the # build would have failed anyways. define get_sys_includes -$(shell $(1) -v -E - </dev/null 2>&1 \ +$(shell $(1) $(2) -v -E - </dev/null 2>&1 \ | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ -$(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') +$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') endef +ifneq ($(CROSS_COMPILE),) +CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%)) +endif + +CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) + BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) \ $(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) \ -I$(CURDIR)/include -I$(CURDIR)/include/bpf-compat \ -I$(INCLUDE_DIR) -I$(APIDIR) -I$(SCXTOOLSINCDIR) \ -I$(REPOROOT)/include \ - $(call get_sys_includes,$(CLANG)) \ + $(CLANG_SYS_INCLUDES) \ -Wall -Wno-compare-distinct-pointer-types \ -Wno-incompatible-function-pointer-types \ -O2 -mcpu=v3 @@ -98,7 +98,7 @@ BPF_CFLAGS = -g -D__TARGET_ARCH_$(SRCARCH) \ # sort removes libbpf duplicates when not cross-building MAKE_DIRS := $(sort $(OBJ_DIR)/libbpf $(OBJ_DIR)/libbpf \ $(OBJ_DIR)/bpftool $(OBJ_DIR)/resolve_btfids \ - $(INCLUDE_DIR) $(SCXOBJ_DIR)) + $(HOST_OBJ_DIR) $(INCLUDE_DIR) $(SCXOBJ_DIR)) $(MAKE_DIRS): $(call msg,MKDIR,,$@) @@ -108,18 +108,19 @@ $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ $(APIDIR)/linux/bpf.h \ | $(OBJ_DIR)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(OBJ_DIR)/libbpf/ \ + ARCH=$(ARCH) CC="$(CC)" CROSS_COMPILE=$(CROSS_COMPILE) \ EXTRA_CFLAGS='-g -O0 -fPIC' \ DESTDIR=$(OUTPUT_DIR) prefix= all install_headers $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ - $(LIBBPF_OUTPUT) | $(OBJ_DIR)/bpftool + $(LIBBPF_OUTPUT) | $(HOST_OBJ_DIR) $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) \ EXTRA_CFLAGS='-g -O0' \ - OUTPUT=$(OBJ_DIR)/bpftool/ \ - LIBBPF_OUTPUT=$(OBJ_DIR)/libbpf/ \ - LIBBPF_DESTDIR=$(OUTPUT_DIR)/ \ - prefix= DESTDIR=$(OUTPUT_DIR)/ install-bin + OUTPUT=$(HOST_OBJ_DIR)/ \ + LIBBPF_OUTPUT=$(HOST_LIBBPF_OUTPUT) \ + LIBBPF_DESTDIR=$(HOST_LIBBPF_DESTDIR) \ + prefix= DESTDIR=$(HOST_DESTDIR) install-bin $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) ifeq ($(VMLINUX_H),) @@ -150,9 +151,7 @@ $(INCLUDE_DIR)/%.bpf.skel.h: $(SCXOBJ_DIR)/%.bpf.o $(INCLUDE_DIR)/vmlinux.h $(BP override define CLEAN rm -rf $(OUTPUT_DIR) - rm -f *.o *.bpf.o *.bpf.skel.h *.bpf.subskel.h rm -f $(TEST_GEN_PROGS) - rm -f runner endef # Every testcase takes all of the BPF progs are dependencies by default. This @@ -196,21 +195,15 @@ $(SCXOBJ_DIR)/runner.o: runner.c | $(SCXOBJ_DIR) # function doesn't support using implicit rules otherwise. $(testcase-targets): $(SCXOBJ_DIR)/%.o: %.c $(SCXOBJ_DIR)/runner.o $(all_test_bpfprogs) | $(SCXOBJ_DIR) $(eval test=$(patsubst %.o,%.c,$(notdir $@))) - $(CC) $(CFLAGS) -c $< -o $@ $(SCXOBJ_DIR)/runner.o + $(CC) $(CFLAGS) -c $< -o $@ $(SCXOBJ_DIR)/util.o: util.c | $(SCXOBJ_DIR) $(CC) $(CFLAGS) -c $< -o $@ -runner: $(SCXOBJ_DIR)/runner.o $(SCXOBJ_DIR)/util.o $(BPFOBJ) $(testcase-targets) +$(OUTPUT)/runner: $(SCXOBJ_DIR)/runner.o $(SCXOBJ_DIR)/util.o $(BPFOBJ) $(testcase-targets) @echo "$(testcase-targets)" $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) -TEST_GEN_PROGS := runner - -all: runner - -.PHONY: all clean help - .DEFAULT_GOAL := all .DELETE_ON_ERROR: diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c index 16bd49492efa..ddb1cebc844e 100644 --- a/tools/testing/selftests/timers/posix_timers.c +++ b/tools/testing/selftests/timers/posix_timers.c @@ -26,13 +26,17 @@ static void __fatal_error(const char *test, const char *name, const char *what) { char buf[64]; + char *ret_str = NULL; - strerror_r(errno, buf, sizeof(buf)); + ret_str = strerror_r(errno, buf, sizeof(buf)); - if (name && strlen(name)) - ksft_exit_fail_msg("%s %s %s %s\n", test, name, what, buf); + if (name && strlen(name) && ret_str) + ksft_exit_fail_msg("%s %s %s %s\n", test, name, what, ret_str); + else if (ret_str) + ksft_exit_fail_msg("%s %s %s\n", test, what, ret_str); else - ksft_exit_fail_msg("%s %s %s\n", test, what, buf); + ksft_exit_fail_msg("%s %s\n", test, what); + } #define fatal_error(name, what) __fatal_error(__func__, name, what) diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile index af9cedbf5357..1cf14a8da438 100644 --- a/tools/testing/selftests/vDSO/Makefile +++ b/tools/testing/selftests/vDSO/Makefile @@ -9,10 +9,8 @@ ifeq ($(ARCH),$(filter $(ARCH),x86 x86_64)) TEST_GEN_PROGS += vdso_standalone_test_x86 endif TEST_GEN_PROGS += vdso_test_correctness -ifeq ($(ARCH)$(CONFIG_X86_32),$(filter $(ARCH)$(CONFIG_X86_32),x86 x86_64 loongarch arm64 powerpc s390)) TEST_GEN_PROGS += vdso_test_getrandom TEST_GEN_PROGS += vdso_test_chacha -endif CFLAGS := -std=gnu99 -O2 @@ -37,9 +35,9 @@ $(OUTPUT)/vdso_test_getrandom: CFLAGS += -isystem $(top_srcdir)/tools/include \ $(KHDR_INCLUDES) \ -isystem $(top_srcdir)/include/uapi -$(OUTPUT)/vdso_test_chacha: $(top_srcdir)/tools/arch/$(SRCARCH)/vdso/vgetrandom-chacha.S +$(OUTPUT)/vdso_test_chacha: vgetrandom-chacha.S $(OUTPUT)/vdso_test_chacha: CFLAGS += -idirafter $(top_srcdir)/tools/include \ -idirafter $(top_srcdir)/tools/include/generated \ -idirafter $(top_srcdir)/arch/$(SRCARCH)/include \ -idirafter $(top_srcdir)/include \ - -D__ASSEMBLY__ -Wa,--noexecstack + -Wa,--noexecstack diff --git a/tools/testing/selftests/vDSO/vdso_test_chacha.c b/tools/testing/selftests/vDSO/vdso_test_chacha.c index b1ea532c5996..8757f738b0b1 100644 --- a/tools/testing/selftests/vDSO/vdso_test_chacha.c +++ b/tools/testing/selftests/vDSO/vdso_test_chacha.c @@ -3,6 +3,7 @@ * Copyright (C) 2022-2024 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */ +#include <linux/compiler.h> #include <tools/le_byteshift.h> #include <sys/random.h> #include <sys/auxv.h> @@ -73,10 +74,10 @@ static void reference_chacha20_blocks(uint8_t *dst_bytes, const uint32_t *key, u counter[1] = s[13]; } -typedef uint8_t u8; -typedef uint32_t u32; -typedef uint64_t u64; -#include <vdso/getrandom.h> +void __weak __arch_chacha20_blocks_nostack(uint8_t *dst_bytes, const uint32_t *key, uint32_t *counter, size_t nblocks) +{ + ksft_exit_skip("Not implemented on architecture\n"); +} int main(int argc, char *argv[]) { @@ -90,10 +91,8 @@ int main(int argc, char *argv[]) ksft_set_plan(1); for (unsigned int trial = 0; trial < TRIALS; ++trial) { - if (getrandom(key, sizeof(key), 0) != sizeof(key)) { - printf("getrandom() failed!\n"); - return KSFT_SKIP; - } + if (getrandom(key, sizeof(key), 0) != sizeof(key)) + ksft_exit_skip("getrandom() failed unexpectedly\n"); memset(counter1, 0, sizeof(counter1)); reference_chacha20_blocks(output1, key, counter1, BLOCKS); for (unsigned int split = 0; split < BLOCKS; ++split) { @@ -102,8 +101,10 @@ int main(int argc, char *argv[]) if (split) __arch_chacha20_blocks_nostack(output2, key, counter2, split); __arch_chacha20_blocks_nostack(output2 + split * BLOCK_SIZE, key, counter2, BLOCKS - split); - if (memcmp(output1, output2, sizeof(output1)) || memcmp(counter1, counter2, sizeof(counter1))) - return KSFT_FAIL; + if (memcmp(output1, output2, sizeof(output1))) + ksft_exit_fail_msg("Main loop outputs do not match on trial %u, split %u\n", trial, split); + if (memcmp(counter1, counter2, sizeof(counter1))) + ksft_exit_fail_msg("Main loop counters do not match on trial %u, split %u\n", trial, split); } } memset(counter1, 0, sizeof(counter1)); @@ -113,14 +114,19 @@ int main(int argc, char *argv[]) reference_chacha20_blocks(output1, key, counter1, BLOCKS); __arch_chacha20_blocks_nostack(output2, key, counter2, BLOCKS); - if (memcmp(output1, output2, sizeof(output1)) || memcmp(counter1, counter2, sizeof(counter1))) - return KSFT_FAIL; + if (memcmp(output1, output2, sizeof(output1))) + ksft_exit_fail_msg("Block limit outputs do not match after first round\n"); + if (memcmp(counter1, counter2, sizeof(counter1))) + ksft_exit_fail_msg("Block limit counters do not match after first round\n"); reference_chacha20_blocks(output1, key, counter1, BLOCKS); __arch_chacha20_blocks_nostack(output2, key, counter2, BLOCKS); - if (memcmp(output1, output2, sizeof(output1)) || memcmp(counter1, counter2, sizeof(counter1))) - return KSFT_FAIL; + if (memcmp(output1, output2, sizeof(output1))) + ksft_exit_fail_msg("Block limit outputs do not match after second round\n"); + if (memcmp(counter1, counter2, sizeof(counter1))) + ksft_exit_fail_msg("Block limit counters do not match after second round\n"); ksft_test_result_pass("chacha: PASS\n"); - return KSFT_PASS; + ksft_exit_pass(); + return 0; } diff --git a/tools/testing/selftests/vDSO/vdso_test_getrandom.c b/tools/testing/selftests/vDSO/vdso_test_getrandom.c index 72a1d9b43a84..95057f7567db 100644 --- a/tools/testing/selftests/vDSO/vdso_test_getrandom.c +++ b/tools/testing/selftests/vDSO/vdso_test_getrandom.c @@ -11,6 +11,7 @@ #include <string.h> #include <time.h> #include <unistd.h> +#include <sched.h> #include <signal.h> #include <sys/auxv.h> #include <sys/mman.h> @@ -40,6 +41,9 @@ } while (0) #endif +#define ksft_assert(condition) \ + do { if (!(condition)) ksft_exit_fail_msg("Assertion failed: %s\n", #condition); } while (0) + static struct { pthread_mutex_t lock; void **states; @@ -59,10 +63,12 @@ static void *vgetrandom_get_state(void) size_t page_size = getpagesize(); size_t new_cap; size_t alloc_size, num = sysconf(_SC_NPROCESSORS_ONLN); /* Just a decent heuristic. */ + size_t state_size_aligned, cache_line_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE) ?: 1; void *new_block, *new_states; - alloc_size = (num * vgrnd.params.size_of_opaque_state + page_size - 1) & (~(page_size - 1)); - num = (page_size / vgrnd.params.size_of_opaque_state) * (alloc_size / page_size); + state_size_aligned = (vgrnd.params.size_of_opaque_state + cache_line_size - 1) & (~(cache_line_size - 1)); + alloc_size = (num * state_size_aligned + page_size - 1) & (~(page_size - 1)); + num = (page_size / state_size_aligned) * (alloc_size / page_size); new_block = mmap(0, alloc_size, vgrnd.params.mmap_prot, vgrnd.params.mmap_flags, -1, 0); if (new_block == MAP_FAILED) goto out; @@ -78,7 +84,7 @@ static void *vgetrandom_get_state(void) if (((uintptr_t)new_block & (page_size - 1)) + vgrnd.params.size_of_opaque_state > page_size) new_block = (void *)(((uintptr_t)new_block + page_size - 1) & (~(page_size - 1))); vgrnd.states[i] = new_block; - new_block += vgrnd.params.size_of_opaque_state; + new_block += state_size_aligned; } vgrnd.len = num; goto success; @@ -109,26 +115,19 @@ static void vgetrandom_init(void) const char *version = versions[VDSO_VERSION]; const char *name = names[VDSO_NAMES][6]; unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR); - size_t ret; + ssize_t ret; - if (!sysinfo_ehdr) { - printf("AT_SYSINFO_EHDR is not present!\n"); - exit(KSFT_SKIP); - } + if (!sysinfo_ehdr) + ksft_exit_skip("AT_SYSINFO_EHDR is not present\n"); vdso_init_from_sysinfo_ehdr(sysinfo_ehdr); vgrnd.fn = (__typeof__(vgrnd.fn))vdso_sym(version, name); - if (!vgrnd.fn) { - printf("%s is missing!\n", name); - exit(KSFT_FAIL); - } + if (!vgrnd.fn) + ksft_exit_skip("%s@%s symbol is missing from vDSO\n", name, version); ret = VDSO_CALL(vgrnd.fn, 5, NULL, 0, 0, &vgrnd.params, ~0UL); - if (ret == -ENOSYS) { - printf("unsupported architecture\n"); - exit(KSFT_SKIP); - } else if (ret) { - printf("failed to fetch vgetrandom params!\n"); - exit(KSFT_FAIL); - } + if (ret == -ENOSYS) + ksft_exit_skip("CPU does not have runtime support\n"); + else if (ret) + ksft_exit_fail_msg("Failed to fetch vgetrandom params: %zd\n", ret); } static ssize_t vgetrandom(void *buf, size_t len, unsigned long flags) @@ -137,10 +136,7 @@ static ssize_t vgetrandom(void *buf, size_t len, unsigned long flags) if (!state) { state = vgetrandom_get_state(); - if (!state) { - printf("vgetrandom_get_state failed!\n"); - exit(KSFT_FAIL); - } + ksft_assert(state); } return VDSO_CALL(vgrnd.fn, 5, buf, len, flags, state, vgrnd.params.size_of_opaque_state); } @@ -152,7 +148,7 @@ static void *test_vdso_getrandom(void *ctx) for (size_t i = 0; i < TRIALS; ++i) { unsigned int val; ssize_t ret = vgetrandom(&val, sizeof(val), 0); - assert(ret == sizeof(val)); + ksft_assert(ret == sizeof(val)); } return NULL; } @@ -162,7 +158,7 @@ static void *test_libc_getrandom(void *ctx) for (size_t i = 0; i < TRIALS; ++i) { unsigned int val; ssize_t ret = getrandom(&val, sizeof(val), 0); - assert(ret == sizeof(val)); + ksft_assert(ret == sizeof(val)); } return NULL; } @@ -172,7 +168,7 @@ static void *test_syscall_getrandom(void *ctx) for (size_t i = 0; i < TRIALS; ++i) { unsigned int val; ssize_t ret = syscall(__NR_getrandom, &val, sizeof(val), 0); - assert(ret == sizeof(val)); + ksft_assert(ret == sizeof(val)); } return NULL; } @@ -207,7 +203,7 @@ static void bench_multi(void) clock_gettime(CLOCK_MONOTONIC, &start); for (size_t i = 0; i < THREADS; ++i) - assert(pthread_create(&threads[i], NULL, test_vdso_getrandom, NULL) == 0); + ksft_assert(pthread_create(&threads[i], NULL, test_vdso_getrandom, NULL) == 0); for (size_t i = 0; i < THREADS; ++i) pthread_join(threads[i], NULL); clock_gettime(CLOCK_MONOTONIC, &end); @@ -216,7 +212,7 @@ static void bench_multi(void) clock_gettime(CLOCK_MONOTONIC, &start); for (size_t i = 0; i < THREADS; ++i) - assert(pthread_create(&threads[i], NULL, test_libc_getrandom, NULL) == 0); + ksft_assert(pthread_create(&threads[i], NULL, test_libc_getrandom, NULL) == 0); for (size_t i = 0; i < THREADS; ++i) pthread_join(threads[i], NULL); clock_gettime(CLOCK_MONOTONIC, &end); @@ -225,7 +221,7 @@ static void bench_multi(void) clock_gettime(CLOCK_MONOTONIC, &start); for (size_t i = 0; i < THREADS; ++i) - assert(pthread_create(&threads[i], NULL, test_syscall_getrandom, NULL) == 0); + ksft_assert(pthread_create(&threads[i], NULL, test_syscall_getrandom, NULL) == 0); for (size_t i = 0; i < THREADS; ++i) pthread_join(threads[i], NULL); clock_gettime(CLOCK_MONOTONIC, &end); @@ -250,48 +246,46 @@ static void kselftest(void) for (size_t i = 0; i < 1000; ++i) { ssize_t ret = vgetrandom(weird_size, sizeof(weird_size), 0); - if (ret != sizeof(weird_size)) - exit(KSFT_FAIL); + ksft_assert(ret == sizeof(weird_size)); } ksft_test_result_pass("getrandom: PASS\n"); unshare(CLONE_NEWUSER); - assert(unshare(CLONE_NEWTIME) == 0); + ksft_assert(unshare(CLONE_NEWTIME) == 0); child = fork(); - assert(child >= 0); + ksft_assert(child >= 0); if (!child) { vgetrandom_init(); child = getpid(); - assert(ptrace(PTRACE_TRACEME, 0, NULL, NULL) == 0); - assert(kill(child, SIGSTOP) == 0); - assert(vgetrandom(weird_size, sizeof(weird_size), 0) == sizeof(weird_size)); + ksft_assert(ptrace(PTRACE_TRACEME, 0, NULL, NULL) == 0); + ksft_assert(kill(child, SIGSTOP) == 0); + ksft_assert(vgetrandom(weird_size, sizeof(weird_size), 0) == sizeof(weird_size)); _exit(0); } for (;;) { struct ptrace_syscall_info info = { 0 }; int status, ret; - assert(waitpid(child, &status, 0) >= 0); + ksft_assert(waitpid(child, &status, 0) >= 0); if (WIFEXITED(status)) { - if (WEXITSTATUS(status) != 0) - exit(KSFT_FAIL); + ksft_assert(WEXITSTATUS(status) == 0); break; } - assert(WIFSTOPPED(status)); + ksft_assert(WIFSTOPPED(status)); if (WSTOPSIG(status) == SIGSTOP) - assert(ptrace(PTRACE_SETOPTIONS, child, 0, PTRACE_O_TRACESYSGOOD) == 0); + ksft_assert(ptrace(PTRACE_SETOPTIONS, child, 0, PTRACE_O_TRACESYSGOOD) == 0); else if (WSTOPSIG(status) == (SIGTRAP | 0x80)) { - assert(ptrace(PTRACE_GET_SYSCALL_INFO, child, sizeof(info), &info) > 0); + ksft_assert(ptrace(PTRACE_GET_SYSCALL_INFO, child, sizeof(info), &info) > 0); if (info.op == PTRACE_SYSCALL_INFO_ENTRY && info.entry.nr == __NR_getrandom && info.entry.args[0] == (uintptr_t)weird_size && info.entry.args[1] == sizeof(weird_size)) - exit(KSFT_FAIL); + ksft_exit_fail_msg("vgetrandom passed buffer to syscall getrandom unexpectedly\n"); } - assert(ptrace(PTRACE_SYSCALL, child, 0, 0) == 0); + ksft_assert(ptrace(PTRACE_SYSCALL, child, 0, 0) == 0); } ksft_test_result_pass("getrandom timens: PASS\n"); - exit(KSFT_PASS); + ksft_exit_pass(); } static void usage(const char *argv0) diff --git a/tools/testing/selftests/vDSO/vgetrandom-chacha.S b/tools/testing/selftests/vDSO/vgetrandom-chacha.S new file mode 100644 index 000000000000..d6e09af7c0a9 --- /dev/null +++ b/tools/testing/selftests/vDSO/vgetrandom-chacha.S @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2024 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. + */ + +#define __ASSEMBLY__ + +#if defined(__aarch64__) +#include "../../../../arch/arm64/kernel/vdso/vgetrandom-chacha.S" +#elif defined(__loongarch__) +#include "../../../../arch/loongarch/vdso/vgetrandom-chacha.S" +#elif defined(__powerpc__) || defined(__powerpc64__) +#include "../../../../arch/powerpc/kernel/vdso/vgetrandom-chacha.S" +#elif defined(__s390x__) +#include "../../../../arch/s390/kernel/vdso64/vgetrandom-chacha.S" +#elif defined(__x86_64__) +#include "../../../../arch/x86/entry/vdso/vgetrandom-chacha.S" +#endif |