6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Enzo Matsumiya <ematsumiya@xxxxxxx> commit 02c418774f76a0a36a6195c9dbf8971eb4130a15 upstream. Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such deadlock. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Enzo Matsumiya <ematsumiya@xxxxxxx> Reviewed-by: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> Reviewed-by: Paulo Alcantara (Red Hat) <pc@xxxxxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/smb/client/smb2transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/smb/client/smb2transport.c +++ b/fs/smb/client/smb2transport.c @@ -216,8 +216,8 @@ smb2_find_smb_tcon(struct TCP_Server_Inf } 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);