[v1] perf events fix

[GIT PULL] perf events fix

Ingo Molnar posted 1 patch 2 years, 1 month ago

Diff against v1 v1 v1 v1 v1 v1 v1 v1
Download mbox

There is a newer version of this series

kernel/events/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

Expand all Fold all

[GIT PULL] perf events fix

Posted by Ingo Molnar 2 years, 1 month ago

Linus,

Please pull the latest perf/urgent git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-2023-10-28

   # HEAD: a71ef31485bb51b846e8db8b3a35e432cc15afb5 perf/core: Fix potential NULL deref

Fix a potential NULL dereference bug.

 Thanks,

	Ingo

------------------>
Peter Zijlstra (1):
      perf/core: Fix potential NULL deref


 kernel/events/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index d0663b9324e7..a2f2a9525d72 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -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;
 }

Re: [GIT PULL] perf events fix

Posted by pr-tracker-bot@kernel.org 2 years, 1 month ago

The pull request you sent on Sat, 28 Oct 2023 12:41:23 +0200:

> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-2023-10-28

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/4714de03329810b9ac57762b6bfdb73b123fedd5

Thank you!

-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html