Re: [syzbot] [serial?] memory leak in gsm_activate_mux

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+b5d1f455d385b2c7da3c@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+b5d1f455d385b2c7da3c@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         6596a02b Merge tag 'drm-next-2026-04-22' of https://gi..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-next
console output: https://syzkaller.appspot.com/x/log.txt?x=17b574ce580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=943968b43250a7da
dashboard link: https://syzkaller.appspot.com/bug?extid=b5d1f455d385b2c7da3c
compiler:       gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1117ac36580000

Note: testing is done by a robot and is best-effort only.