Re: [syzbot] [input?] [usb?] WARNING: ODEBUG bug in corsair_remove

From: syzbot

Date: Fri Aug 28 2026 - 09:26:21 EST


syzbot has bisected this issue to:

commit eb51c9f8cb4f064981d9c6cae13de8eda280785d
Author: Chen Changcheng <chenchangcheng@xxxxxxxxxx>
Date: Mon Jul 27 01:35:00 2026 +0000

HID: corsair: cancel worker before unregistering LED to fix use-after-free

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12580379580000
start commit: 73e3f0710014 Merge tag 'nfs-for-7.3-1' of git://git.linux-..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=11580379580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16580379580000
kernel config: https://syzkaller.appspot.com/x/.config?x=9efed59cf70d6280
dashboard link: https://syzkaller.appspot.com/bug?extid=0a031a76585d1c7e737d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e6e579580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e4ed49580000

Reported-by: syzbot+0a031a76585d1c7e737d@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: eb51c9f8cb4f ("HID: corsair: cancel worker before unregistering LED to fix use-after-free")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection