hamza.kesraoui/sst-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ksmbd: fix bug on trap in smb2_lock

Browse Source 
commit e26e2d2e15daf1ab33e0135caf2304a0cfa2744b upstream.

If lock count is greater than 1, flags could be old value.
It should be checked with flags of smb_lock, not flags.
It will cause bug-on trap from locks_free_lock in error handling
routine.

Cc: stable@vger.kernel.org
Reported-by: Norbert Szetei <norbert@doyensec.com>
Tested-by: Norbert Szetei <norbert@doyensec.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Namjae Jeon 2025-02-27 15:49:10 +09:00 committed by Greg Kroah-Hartman
parent 410ce35a2e
commit 11e0e74e14
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/smb/server/smb2pdu.c
View File

@ -7134,7 +7134,7 @@ no_check_cl:
retry:
rc = vfs_lock_file(filp, smb_lock->cmd, flock, NULL);
skip:
if (flags & SMB2_LOCKFLAG_UNLOCK) {
if (smb_lock->flags & SMB2_LOCKFLAG_UNLOCK) {
if (!rc) {
ksmbd_debug(SMB, "File unlocked\n");
} else if (rc == -ENOENT) {