2020-08-24 13:00:22

by Denis Efremov (Oracle)

[permalink] [raw]
Subject: [PATCH] namei: use current_fsuid() in may_follow_link()

Modify may_follow_link() to use current_fsuid()

Signed-off-by: Denis Efremov <[email protected]>
---
fs/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index e99e2a9da0f7..1a47c9d8ce13 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -958,7 +958,7 @@ static inline int may_follow_link(struct nameidata *nd, const struct inode *inod
return 0;

/* Allowed if owner and follower match. */
- if (uid_eq(current_cred()->fsuid, inode->i_uid))
+ if (uid_eq(current_fsuid(), inode->i_uid))
return 0;

/* Allowed if parent directory not sticky and world-writable. */
--
2.26.2