linux-kernel - Re: [syzbot] [net] [virt] INFO: task hung in __vhost_worker

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Message-ID: <20250901065724.6315-1-hdanton@sina.com>
Date: Mon,  1 Sep 2025 14:57:20 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+7f3bbe59e8dd2328a990@...kaller.appspotmail.com>
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net] [virt] INFO: task hung in __vhost_worker_flush

> Date: Sat, 30 Aug 2025 19:21:32 -0700	[thread overview]
> syzbot has found a reproducer for the following issue on:
> 
> HEAD commit:    11e7861d680c Merge tag 'for-linus' of git://git.kernel.org..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=17c5c242580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=d4703ac89d9e185a
> dashboard link: https://syzkaller.appspot.com/bug?extid=7f3bbe59e8dd2328a990
> compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1671ba62580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1685aa62580000

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3652117f8548