linux-kernel - Re: kernel BUG at fs/inode.c:LINE!

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Date:   Wed, 10 Apr 2019 14:41:53 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Ian Kent <raven@...maw.net>,
        syzbot <syzbot+5399ed0832693e29f392@...kaller.appspotmail.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Amir Goldstein <amir73il@...il.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: kernel BUG at fs/inode.c:LINE!

On Wed, Apr 10, 2019 at 2:12 PM Al Viro <viro@...iv.linux.org.uk> wrote:
>
> On Wed, Apr 10, 2019 at 08:07:15PM +0800, Ian Kent wrote:
>
> > > I'm unable to find a branch matching the line numbers.
> > >
> > > Given that, on the face of it, the scenario is impossible I'm
> > > seeking clarification on what linux-next to look at for the
> > > sake of accuracy.
> > >
> > > So I'm wondering if this testing done using the master branch
> > > or one of the daily branches one would use to check for conflicts
> > > before posting?
> >
> > Sorry those are tags not branches.
>
> FWIW, that's next-20181214; it is what master had been in mid-December
> and master is rebased every day.  Can it be reproduced with the current
> tree?

>From the info on the dashboard we know that it happened only once on
d14b746c (the second one is result of reproducing the first one). So
it was either fixed or just hard to trigger.