diff options
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 063bbed22c7b..ec91dfd3f900 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -304,6 +304,7 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, vma->vm_userfaultfd_ctx); if (*pprev) { vma = *pprev; + VM_WARN_ON((vma->vm_flags ^ newflags) & ~VM_SOFTDIRTY); goto success; } |