diff options
| author | Enzo Matsumiya <ematsumiya@suse.de> | 2024-06-06 13:13:13 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-16 13:51:16 +0200 |
| commit | 8d0f5f1ccf675454a833a573c53830a49b7d1a47 (patch) | |
| tree | 20cbacce9a01a61dfc48c0e315047dfe8d4196b4 | |
| parent | 59f14875a96ef93f05b82ad3c980605f2cb444b5 (diff) | |
smb: client: fix deadlock in smb2_find_smb_tcon()
commit 02c418774f76a0a36a6195c9dbf8971eb4130a15 upstream.
Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such
deadlock.
Cc: stable@vger.kernel.org
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/smb/client/smb2transport.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c index 02135a605305..1476c445cadc 100644 --- a/fs/smb/client/smb2transport.c +++ b/fs/smb/client/smb2transport.c @@ -216,8 +216,8 @@ smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32 tid) } tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid); if (!tcon) { - cifs_put_smb_ses(ses); spin_unlock(&cifs_tcp_ses_lock); + cifs_put_smb_ses(ses); return NULL; } spin_unlock(&cifs_tcp_ses_lock); |