Re: [syzbot] [kvm?] [net?] [virt?] INFO: task hung in __vhost_worker_flush

[Sean Christopherson]

On Wed, May 29, 2024, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    9b62e02e6336 Merge tag 'mm-hotfixes-stable-2024-05-25-09-1..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16cb0eec980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3e73beba72b96506
> dashboard link: https://syzkaller.appspot.com/bug?extid=7f3bbe59e8dd2328a990
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/61b507f6e56c/disk-9b62e02e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/6991f1313243/vmlinux-9b62e02e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/65f88b96d046/bzImage-9b62e02e.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+7f3bbe59e8dd2328a990@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz unset kvm