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Merge tag 'perf-urgent-2026-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull perf events fixes from Ingo Molnar:

 - Fix SVM #GP on AMD CPUs that LBR but not BRS (Sandipan Das)

 - Fix UAF bug in the perf AUX code (Lee Jia Jie)

 - Fix address leakage in the AMD LBR code (Sandipan Das)

 - Fix address leakage in the AMD BRS code (Sandipan Das)

* tag 'perf-urgent-2026-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/amd/brs: Fix kernel address leakage
  perf/x86/amd/lbr: Fix kernel address leakage
  perf/aux: Fix page UAF in map_range()
  perf/x86/amd/core: Avoid enabling BRS from the SVM reload path
This commit is contained in:
Linus Torvalds
2026-07-11 10:11:45 -07:00
parent b37fa0d0a3 47915e855f
commit cab9e339cf
4 changed files with 17 additions and 10 deletions
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kernel/events/core.c
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@@ -7150,6 +7150,8 @@ static int map_range(struct perf_buffer *rb, struct vm_area_struct *vma)
int err = 0;
unsigned long pagenum;
guard(mutex)(&rb->aux_mutex);
/*
* We map this as a VM_PFNMAP VMA.
*