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Fix a potential NULL dereference bug.

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf event fix from Ingo Molnar:
 "Fix a potential NULL dereference bug"

* tag 'perf-urgent-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Fix potential NULL deref
This commit is contained in:
Linus Torvalds 2023-10-28 08:10:47 -10:00
commit 4714de0332
1 changed files with 2 additions and 1 deletions
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3
kernel/events/core.c
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@ -13372,7 +13372,8 @@ static int inherit_group(struct perf_event *parent_event,
!perf_get_aux_event(child_ctr, leader))
return -EINVAL;
}
leader->group_generation = parent_event->group_generation;
if (leader)
leader->group_generation = parent_event->group_generation;
return 0;
}