tree d28a91311e0f2b31a7d85723b2138465871dbfa1
parent 71a5eb42f6e5b49ee0d83362fac9bc135f277aa2
author Peter Zijlstra <peterz@infradead.org> 1698140541 +0200
committer Oleksandr Tymoshenko <ovt@google.com> 1698783270 +0000

perf/core: Fix potential NULL deref

commit a71ef31485bb51b846e8db8b3a35e432cc15afb5 upstream.

Smatch is awesome.

BUG=b/308500870
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: I3cca9efec58dcd706db199a98f81d27c7ebefeee
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/60239
Reviewed-by: Arnav Kansal <rnv@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>