linux-kernel - Re: possible deadlock in tty

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Message-ID: <6590a26d-8234-67a8-16e0-6391da6765d9@suse.com>
Date:   Fri, 28 Feb 2020 14:34:48 +0100
From:   Jiri Slaby <jslaby@...e.com>
To:     syzbot <syzbot+26183d9746e62da329b8@...kaller.appspotmail.com>,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: possible deadlock in tty_unthrottle

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@...kaller.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

thanks,
-- 
js
suse labs