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authorLinus Torvalds <torvalds@linux-foundation.org>2024-05-30 08:33:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-05-30 08:33:04 -0700
commitd8ec19857b095b39d114ae299713bd8ea6c1e66a (patch)
tree57a75bbcf7ef6e671208c61e35ae570ba51b3359 /kernel/trace
parent4a4be1ad3a6efea16c56615f31117590fd881358 (diff)
parent13c7c941e72908b8cce5a84b45a7b5e485ca12ed (diff)
Merge tag 'net-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni: "Including fixes from bpf and netfilter. Current release - regressions: - gro: initialize network_offset in network layer - tcp: reduce accepted window in NEW_SYN_RECV state Current release - new code bugs: - eth: mlx5e: do not use ptp structure for tx ts stats when not initialized - eth: ice: check for unregistering correct number of devlink params Previous releases - regressions: - bpf: Allow delete from sockmap/sockhash only if update is allowed - sched: taprio: extend minimum interval restriction to entire cycle too - netfilter: ipset: add list flush to cancel_gc - ipv4: fix address dump when IPv4 is disabled on an interface - sock_map: avoid race between sock_map_close and sk_psock_put - eth: mlx5: use mlx5_ipsec_rx_status_destroy to correctly delete status rules Previous releases - always broken: - core: fix __dst_negative_advice() race - bpf: - fix multi-uprobe PID filtering logic - fix pkt_type override upon netkit pass verdict - netfilter: tproxy: bail out if IP has been disabled on the device - af_unix: annotate data-race around unix_sk(sk)->addr - eth: mlx5e: fix UDP GSO for encapsulated packets - eth: idpf: don't enable NAPI and interrupts prior to allocating Rx buffers - eth: i40e: fully suspend and resume IO operations in EEH case - eth: octeontx2-pf: free send queue buffers incase of leaf to inner - eth: ipvlan: dont Use skb->sk in ipvlan_process_v{4,6}_outbound" * tag 'net-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits) netdev: add qstat for csum complete ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound net: ena: Fix redundant device NUMA node override ice: check for unregistering correct number of devlink params ice: fix 200G PHY types to link speed mapping i40e: Fully suspend and resume IO operations in EEH case i40e: factoring out i40e_suspend/i40e_resume e1000e: move force SMBUS near the end of enable_ulp function net: dsa: microchip: fix RGMII error in KSZ DSA driver ipv4: correctly iterate over the target netns in inet_dump_ifaddr() net: fix __dst_negative_advice() race nfc/nci: Add the inconsistency check between the input data length and count MAINTAINERS: dwmac: starfive: update Maintainer net/sched: taprio: extend minimum interval restriction to entire cycle too net/sched: taprio: make q->picos_per_byte available to fill_sched_entry() netfilter: nft_fib: allow from forward/input without iif selector netfilter: tproxy: bail out if IP has been disabled on the device netfilter: nft_payload: skbuff vlan metadata mangle support net: ti: icssg-prueth: Fix start counter for ft1 filter sock_map: avoid race between sock_map_close and sk_psock_put ...
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/bpf_trace.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index f5154c051d2c..6249dac61701 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -3295,7 +3295,7 @@ static int uprobe_prog_run(struct bpf_uprobe *uprobe,
struct bpf_run_ctx *old_run_ctx;
int err = 0;
- if (link->task && current != link->task)
+ if (link->task && current->mm != link->task->mm)
return 0;
if (sleepable)
@@ -3396,8 +3396,9 @@ int bpf_uprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr
upath = u64_to_user_ptr(attr->link_create.uprobe_multi.path);
uoffsets = u64_to_user_ptr(attr->link_create.uprobe_multi.offsets);
cnt = attr->link_create.uprobe_multi.cnt;
+ pid = attr->link_create.uprobe_multi.pid;
- if (!upath || !uoffsets || !cnt)
+ if (!upath || !uoffsets || !cnt || pid < 0)
return -EINVAL;
if (cnt > MAX_UPROBE_MULTI_CNT)
return -E2BIG;
@@ -3421,11 +3422,8 @@ int bpf_uprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr
goto error_path_put;
}
- pid = attr->link_create.uprobe_multi.pid;
if (pid) {
- rcu_read_lock();
- task = get_pid_task(find_vpid(pid), PIDTYPE_PID);
- rcu_read_unlock();
+ task = get_pid_task(find_vpid(pid), PIDTYPE_TGID);
if (!task) {
err = -ESRCH;
goto error_path_put;