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

From: Sean Christopherson <[email-masked]>
Date: Fri, 16 Aug 2024 11:10:32 -0700

On Fri, Aug 16, 2024, syzbot wrote:
> > 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: [email-masked]
> >
> > #syz unset kvm
> 
> The following labels did not exist: kvm

Hrm, looks like there's no unset for a single subsytem, so:

#syz set subsystems: net,virt