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-rw-r--r--fs/userfaultfd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 959551ff9a..13ef4e1fc1 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -925,6 +925,10 @@ static int userfaultfd_release(struct inode *inode, struct file *file)
prev = vma;
continue;
}
+ /* Reset ptes for the whole vma range if wr-protected */
+ if (userfaultfd_wp(vma))
+ uffd_wp_range(vma, vma->vm_start,
+ vma->vm_end - vma->vm_start, false);
new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;
vma = vma_modify_flags_uffd(&vmi, prev, vma, vma->vm_start,
vma->vm_end, new_flags,