diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/namei.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c index e0881c0bd228..65a0e9d1ea48 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1712,6 +1712,11 @@ static inline int should_follow_link(struct nameidata *nd, struct path *link, return 0; if (!follow) return 0; + /* make sure that d_is_symlink above matches inode */ + if (nd->flags & LOOKUP_RCU) { + if (read_seqcount_retry(&link->dentry->d_seq, seq)) + return -ECHILD; + } return pick_link(nd, link, inode, seq); } |