This is a note to let you know that I've just added the patch titled cifs: use tcon allocation functions even for dummy tcon to the 6.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: cifs-use-tcon-allocation-functions-even-for-dummy-tc.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 8984c125bfccfb7831623c5d6371852cd70d32d0 Author: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> Date: Fri Feb 10 16:34:31 2023 +0000 cifs: use tcon allocation functions even for dummy tcon [ Upstream commit df57109bd50b9ed6911f3c2aa914189fe4c1fe2c ] In smb2_reconnect_server, we allocate a dummy tcon for calling reconnect for just the session. This should be allocated using tconInfoAlloc, and not kmalloc. Fixes: 3663c9045f51 ("cifs: check reconnects for channels of active tcons too") Signed-off-by: Shyam Prasad N <sprasad@xxxxxxxxxxxxx> Reviewed-by: Paulo Alcantara (SUSE) <pc@xxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 2c9ffa921e6f6..3b93680a319e4 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3898,7 +3898,7 @@ void smb2_reconnect_server(struct work_struct *work) goto done; /* allocate a dummy tcon struct used for reconnect */ - tcon = kzalloc(sizeof(struct cifs_tcon), GFP_KERNEL); + tcon = tconInfoAlloc(); if (!tcon) { resched = true; list_for_each_entry_safe(ses, ses2, &tmp_ses_list, rlist) { @@ -3921,7 +3921,7 @@ void smb2_reconnect_server(struct work_struct *work) list_del_init(&ses->rlist); cifs_put_smb_ses(ses); } - kfree(tcon); + tconInfoFree(tcon); done: cifs_dbg(FYI, "Reconnecting tcons and channels finished\n");