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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-26 13:37:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-26 13:37:11 -0800 |
| commit | b63f4a4e95d61bc7fc3db074f3689c849f27f046 (patch) | |
| tree | f656154217ed93beb23518ce50c01fb5b2ae8040 /kernel | |
| parent | 3f0e9c8cefa913dd9bd1d79b9a68896ea130f106 (diff) | |
| parent | cfe54f4591e675cedf2c0d25287ff4c0a2e0cb9d (diff) | |
Merge tag 'efi-fixes-for-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"A couple of fixes for EFI regressions introduced this cycle:
- Make EDID handling in the EFI stub mixed mode safe
- Ensure that efi_mm.user_ns has a sane value - this is needed now
that EFI runtime calls are preemptible on arm64"
* tag 'efi-fixes-for-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
kthread: Warn if mm_struct lacks user_ns in kthread_use_mm()
arm64: efi: Fix NULL pointer dereference by initializing user_ns
efi/libstub: gop: Fix EDID support in mixed-mode
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kthread.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c index 99a3808d086f..39511dd2abc9 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -1599,6 +1599,7 @@ void kthread_use_mm(struct mm_struct *mm) WARN_ON_ONCE(!(tsk->flags & PF_KTHREAD)); WARN_ON_ONCE(tsk->mm); + WARN_ON_ONCE(!mm->user_ns); /* * It is possible for mm to be the same as tsk->active_mm, but |