tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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

Linus Torvalds 4714de03 51a76910

+2 -1
+2 -1
kernel/events/core.c
··· 13372 13372 !perf_get_aux_event(child_ctr, leader)) 13373 13373 return -EINVAL; 13374 13374 } 13375 - leader->group_generation = parent_event->group_generation; 13375 + if (leader) 13376 + leader->group_generation = parent_event->group_generation; 13376 13377 return 0; 13377 13378 } 13378 13379