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Date: Wed, 4 Apr 2018 12:35:04 -0700
From: Matthew Wilcox <willy@infradead.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+dc5ab2babdf22ca091af@syzkaller.appspotmail.com>,
        Theodore Ts'o <tytso@mit.edu>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
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Subject: Re: WARNING in up_write
Message-ID: <20180404193504.GA7715@bombadil.infradead.org>
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On Wed, Apr 04, 2018 at 09:24:05PM +0200, Dmitry Vyukov wrote:
> On Tue, Apr 3, 2018 at 4:01 AM, syzbot
> <syzbot+dc5ab2babdf22ca091af@syzkaller.appspotmail.com> wrote:
> > DEBUG_LOCKS_WARN_ON(sem->owner != get_current())
> > WARNING: CPU: 1 PID: 4441 at kernel/locking/rwsem.c:133 up_write+0x1cc/0x210
> > kernel/locking/rwsem.c:133
> > Kernel panic - not syncing: panic_on_warn set ...

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