linux-kernel - Re: WARNING in request

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Message-ID: <000000000000f4efae0584be37ab@google.com>
Date:   Sat, 23 Mar 2019 00:50:00 -0700
From:   syzbot <syzbot+ef054c4d3f64cd7f7cec@...kaller.appspotmail.com>
To:     dvyukov@...gle.com, ebiederm@...ssion.com, ktkhai@...tuozzo.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        miklos@...redi.hu, mszeredi@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in request_end

syzbot has bisected this bug to:

commit 4ad769f3c346ec3d458e255548dec26ca5284cf6
Author: Eric W. Biederman <ebiederm@...ssion.com>
Date:   Tue May 29 14:04:46 2018 +0000

     fuse: Allow fully unprivileged mounts

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16b4518b200000
start commit:   0238df64 Linux 4.19-rc7
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=15b4518b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=11b4518b200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=88e9a8a39dc0be2d
dashboard link: https://syzkaller.appspot.com/bug?extid=ef054c4d3f64cd7f7cec
userspace arch: i386
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=119bf2e6400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1760f806400000

Reported-by: syzbot+ef054c4d3f64cd7f7cec@...kaller.appspotmail.com
Fixes: 4ad769f3c346 ("fuse: Allow fully unprivileged mounts")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection