diff options
| -rw-r--r-- | fs/smb/server/smbacl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/smb/server/smbacl.c b/fs/smb/server/smbacl.c index 2693ea2d67aa..5aa7a66334d9 100644 --- a/fs/smb/server/smbacl.c +++ b/fs/smb/server/smbacl.c @@ -270,6 +270,11 @@ static int sid_to_id(struct mnt_idmap *idmap, return -EIO; } + if (psid->num_subauth == 0) { + pr_err("%s: zero subauthorities!\n", __func__); + return -EIO; + } + if (sidtype == SIDOWNER) { kuid_t uid; uid_t id; |