linux-kernel - Re: [syzbot] [lsm?] WARNING in put_cred

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Message-ID: <20251108063831.8984-1-hdanton@sina.com>
Date: Sat,  8 Nov 2025 14:38:30 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+553c4078ab14e3cf3358@...kaller.appspotmail.com>
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [lsm?] WARNING in put_cred_rcu

> 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