tree 7d65dd4e51b28a0ce4a7956dc13d1da96f7e4fbb
parent 4305ccc3a3387975bfbce439f2681f78e37eb9d2
author Peter Zijlstra <peterz@infradead.org> 1698140541 +0200
committer Oleksandr Tymoshenko <ovt@google.com> 1698783179 +0000

perf/core: Fix potential NULL deref

commit a71ef31485bb51b846e8db8b3a35e432cc15afb5 upstream.

Smatch is awesome.

BUG=b/308500745
TEST=presubmit
RELEASE_NOTE=None

cos-patch: security-high
Fixes: 32671e3799ca ("perf: Disallow mis-matched inherited group reads")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change-Id: Ib5f19a0a78db3b39a95ff6d49a0a58e895a04b7b
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/60338
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Arnav Kansal <rnv@google.com>