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| author | Song Liu <[email protected]> | 2022-02-04 00:40:57 +0000 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2022-02-06 21:37:27 +0000 |
| commit | 5f4e5ce638e6a490b976ade4a40017b40abb2da0 (patch) | |
| tree | e1b716c4008595ffb28775f1357d8da88414befc /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | perf/x86/intel/pt: Fix crash with stop filters in single-range mode (diff) | |
| download | kernel-5f4e5ce638e6a490b976ade4a40017b40abb2da0.tar.gz kernel-5f4e5ce638e6a490b976ade4a40017b40abb2da0.zip | |
perf: Fix list corruption in perf_cgroup_switch()
There's list corruption on cgrp_cpuctx_list. This happens on the
following path:
perf_cgroup_switch: list_for_each_entry(cgrp_cpuctx_list)
cpu_ctx_sched_in
ctx_sched_in
ctx_pinned_sched_in
merge_sched_in
perf_cgroup_event_disable: remove the event from the list
Use list_for_each_entry_safe() to allow removing an entry during
iteration.
Fixes: 058fe1c0440e ("perf/core: Make cgroup switch visit only cpuctxs with cgroup events")
Signed-off-by: Song Liu <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
0 files changed, 0 insertions, 0 deletions