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-rw-r--r--mm/madvise.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 175c5582d8a9..d4f5eece9d56 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -539,7 +539,8 @@ static inline bool can_do_pageout(struct vm_area_struct *vma)
* otherwise we'd be including shared non-exclusive mappings, which
* opens a side channel.
*/
- return inode_owner_or_capable(file_inode(vma->vm_file)) ||
+ return inode_owner_or_capable(&init_user_ns,
+ file_inode(vma->vm_file)) ||
file_permission(vma->vm_file, MAY_WRITE) == 0;
}