Commit a3ca013d authored Aug 10, 2015 by Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull RCU pathwalk fix from Al Viro:
 "Another racy use of nd->path.dentry in RCU mode"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  may_follow_link() should use nd->inode

parents f7644cbf aa65fa35

fs/namei.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -879,7 +879,7 @@ static inline int may_follow_link(struct nameidata *nd)
		return 0;

		/* Allowed if parent directory not sticky and world-writable. */
		parent = nd->path.dentry->d_inode;
		parent = nd->inode;
		if ((parent->i_mode & (S_ISVTX\|S_IWOTH)) != (S_ISVTX\|S_IWOTH))
		return 0;