Peter Zijlstra f351bb3085 perf: Ensure bpf_perf_link path is properly serialized ...

[ Upstream commit 7ed9138a72 ]

Ravi reported that the bpf_perf_link_attach() usage of
perf_event_set_bpf_prog() is not serialized by ctx->mutex, unlike the
PERF_EVENT_IOC_SET_BPF case.

Reported-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lkml.kernel.org/r/20250307193305.486326750@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-06-19 15:32:32 +02:00

..

callchain.c

sysctl: treewide: constify the ctl_table argument of proc_handlers

2024-07-24 20:59:29 +02:00

core.c

perf: Ensure bpf_perf_link path is properly serialized

2025-06-19 15:32:32 +02:00

hw_breakpoint_test.c

…

hw_breakpoint.c

perf/hw_breakpoint: Return EOPNOTSUPP for unsupported breakpoint type

2025-05-29 11:02:32 +02:00

internal.h

perf/core: Add aux_pause, aux_resume, aux_start_paused

2025-04-20 10:15:10 +02:00

Makefile

…

ring_buffer.c

perf: Avoid the read if the count is already updated

2025-05-29 11:03:02 +02:00

uprobes.c

uprobes/x86: Harden uretprobe syscall trampoline check

2025-04-10 14:39:37 +02:00