diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-23 17:16:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-23 17:16:31 -0700 |
| commit | bade58eb0651c84b9b2a074fe4c04f2bba6b933f (patch) | |
| tree | 419d64b9a3721d2da302febdaeb53dabeaeea946 | |
| parent | 541643982b95d1da4237676a1e01e988c3c3aef4 (diff) | |
| parent | 2d36d3b451a94899db9c965adde15492ffe6027a (diff) | |
Merge tag 'x86-urgent-2026-06-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
- Prevent NULL dereference on theoretical missing IO bitmap (Li
RongQing)
* tag 'x86-urgent-2026-06-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioperm: Prevent NULL dereference on theoretical missing IO bitmap
| -rw-r--r-- | arch/x86/kernel/process.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index a554f19c9973..85435044e33c 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -486,6 +486,7 @@ void native_tss_update_io_bitmap(void) if (WARN_ON_ONCE(!iobm)) { clear_thread_flag(TIF_IO_BITMAP); native_tss_invalidate_io_bitmap(); + return; } /* |