linux-kernel - Re: [syzbot] [kernel?] general protection fault in put_ipc

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Message-ID: <20251118002044.9391-1-hdanton@sina.com>
Date: Tue, 18 Nov 2025 08:20:39 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+b4c65e7d749285a82467@...kaller.appspotmail.com>
Cc: Christian Brauner <brauner@...nel.org>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [kernel?] general protection fault in put_ipc_ns

> Date: Mon, 17 Nov 2025 03:17:31 -0800
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    6d7e7251d03f Add linux-next specific files for 20251113
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=15e4c914580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8a6b17620801a7cb
> dashboard link: https://syzkaller.appspot.com/bug?extid=b4c65e7d749285a82467
> 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=154ec658580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=162aeb42580000

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