Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <0000000000008f34570583d15823@google.com> <0ded99b8d69a74c260f3f44f5ae1ab59@suse.de>
 <CACT4Y+ZXBhNamhTYVW_9y_yUWRE+=rO8vdBF=m40kjqJQGY-gQ@mail.gmail.com> <531016fbc6fee2f1a1c386b0daeba867@suse.de>
In-Reply-To: <531016fbc6fee2f1a1c386b0daeba867@suse.de>
From:   Dmitry Vyukov <dvyukov@google.com>
Date:   Mon, 11 Mar 2019 17:36:12 +0100
Message-ID: <CACT4Y+YLZYJ21Bao5HVAvXhvb9PQ41J-4RvtkZZEMF38qtkxHg@mail.gmail.com>
Subject: Re: WARNING in ep_poll_callback
To:     Roman Penyaev <rpenyaev@suse.de>
Cc:     Andrew Morton <akpm@linux-foundation.org>, dbueso@suse.de,
        Jason Baron <jbaron@akamai.com>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Paul McKenney <paulmck@linux.vnet.ibm.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
        Al Viro <viro@zeniv.linux.org.uk>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Mar 11, 2019 at 2:53 PM Roman Penyaev <rpenyaev@suse.de> wrote:
>
> On 2019-03-11 14:45, Dmitry Vyukov wrote:
> > On Mon, Mar 11, 2019 at 2:37 PM Roman Penyaev <rpenyaev@suse.de> wrote:
> >>
> >> Hi Andrew,
> >>
> >> I thought "epoll: loosen irq safety in ep_poll_callback()" patch was
> >> removed from your tree, at least I got a notification on 9th of
> >> january,
> >> also I do not see it in the linux-next tree.
> >>
> >> Should I ignore this syzbot message?
> >
> > If this was resolved we need to communicate it to syzbot one way or the
> > other.
> > Since it was in linux-next, it won't even be able to do fix bisection.
> > So the bug will be open forever otherwise.
>
> Bug was fixed (commit was simply dropped).  How can I tell syzbot to
> shut up
> and to resolve the issue?

Hi Roman,

The docs are at:

> See https://goo.gl/tpsmEJ for more information about syzbot.

There is no official support for bugs fixed not by commit merges.
Linux-next creates various interesting corner-cases for the process.
Let's go with this option for now:

#syz invalid