diff options
| author | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2024-11-03 14:59:40 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-11-03 16:52:06 -0800 |
| commit | 711df091dea9b6f9e83ed738967cb0763f4d362c (patch) | |
| tree | 4c7c61095be6eed18061191589d57458f5b19d80 /tools/testing/selftests/bpf/prog_tests/tailcalls.c | |
| parent | d402755ced2ea8fc1f0513136f074002d509bfa0 (diff) | |
selftests/bpf: Add tests for tail calls with locks and refs
Add failure tests to ensure bugs don't slip through for tail calls and
lingering locks, RCU sections, preemption disabled sections, and
references prevent tail calls.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20241103225940.1408302-4-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/tailcalls.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/tailcalls.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/tailcalls.c b/tools/testing/selftests/bpf/prog_tests/tailcalls.c index 40f22454cf05..544144620ca6 100644 --- a/tools/testing/selftests/bpf/prog_tests/tailcalls.c +++ b/tools/testing/selftests/bpf/prog_tests/tailcalls.c @@ -7,6 +7,7 @@ #include "tailcall_bpf2bpf_hierarchy3.skel.h" #include "tailcall_freplace.skel.h" #include "tc_bpf2bpf.skel.h" +#include "tailcall_fail.skel.h" /* test_tailcall_1 checks basic functionality by patching multiple locations * in a single program for a single tail call slot with nop->jmp, jmp->nop @@ -1646,6 +1647,11 @@ out: tc_bpf2bpf__destroy(tc_skel); } +static void test_tailcall_failure() +{ + RUN_TESTS(tailcall_fail); +} + void test_tailcalls(void) { if (test__start_subtest("tailcall_1")) @@ -1698,4 +1704,6 @@ void test_tailcalls(void) test_tailcall_freplace(); if (test__start_subtest("tailcall_bpf2bpf_freplace")) test_tailcall_bpf2bpf_freplace(); + if (test__start_subtest("tailcall_failure")) + test_tailcall_failure(); } |