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SubjectRe: possible deadlock in tty_unthrottle
On Fri, Feb 28, 2020 at 02:34:48PM +0100, Jiri Slaby wrote:
> On 27. 02. 20, 9:39, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit: f8788d86 Linux 5.6-rc3 git tree: upstream
> > console output:
> > https://syzkaller.appspot.com/x/log.txt?x=1102d22de00000 kernel
> > config: https://syzkaller.appspot.com/x/.config?x=5d2e033af114153f
> > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=26183d9746e62da329b8
> > compiler: clang version 10.0.0
> > (https://github.com/llvm/llvm-project/
> > c2443155a0fb245c8f17f2c1c72b6ea391e86e81)
> >
> > Unfortunately, I don't have any reproducer for this crash yet.
> >
> > IMPORTANT: if you fix the bug, please add the following tag to the
> > commit: Reported-by:
> > syzbot+26183d9746e62da329b8@syzkaller.appspotmail.com
>
> So trying below, but there is no reproducer for the issue, so I am not
> sure if it triggers any action at all.
>
> #syz test:
> git://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git vc_sel

Ah, yeah, no reproducer :(

Ok, I'll queue these up and see what happens, thanks!

greg k-h

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