linux-kernel - Re: WARNING in up

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Date:   Wed, 4 Apr 2018 12:35:04 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     syzbot <syzbot+dc5ab2babdf22ca091af@...kaller.appspotmail.com>,
        Theodore Ts'o <tytso@....edu>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller-bugs@...glegroups.com, Al Viro <viro@...iv.linux.org.uk>
Subject: Re: WARNING in up_write

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@...kaller.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 ...

Message-Id: <1522852646-2196-1-git-send-email-longman@...hat.com>