Re: [syzbot] [lsm?] WARNING in put_cred_rcu

From: Hillf Danton
Date: Sat Nov 08 2025 - 01:39:05 EST


> Date: Fri, 07 Nov 2025 06:05:27 -0800
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 17490bd0527f Add linux-next specific files for 20251104
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=16c09bcd980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=9995c0d2611ab121
> dashboard link: https://syzkaller.appspot.com/bug?extid=553c4078ab14e3cf3358
> compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1500a532580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12e0a114580000

#syz test https://github.com/brauner/linux.git namespace-6.19.fixes