Re: [syzbot] [tomoyo?] WARNING in tomoyo_write_control

[syzbot]

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING: lock held when returning to user space in tomoyo_write_control

================================================
WARNING: lock held when returning to user space!
6.13.0-rc3-syzkaller-g78d4f34e2115-dirty #0 Not tainted
------------------------------------------------
syz.0.16/6711 is leaving the kernel with locks still held!
1 lock held by syz.0.16/6711:
 #0: ffff88802a08b080 (&head->io_sem){+.+.}-{4:4}, at: tomoyo_write_control+0x51/0x1b0 security/tomoyo/common.c:2657


Tested on:

commit:         78d4f34e Linux 6.13-rc3
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12d7d4f8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9cac7e24ceea492
dashboard link: https://syzkaller.appspot.com/bug?extid=7536f77535e5210a5c76
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12eb1730580000