linux-kernel - Re: WARNING: locking bug in nfs_get

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Date:   Wed, 08 May 2019 19:46:00 -0700
From:   syzbot <syzbot+228a82b263b5da91883d@...kaller.appspotmail.com>
To:     anna.schumaker@...app.com, bcodding@...hat.com,
        linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
        rbergant@...hat.com, syzkaller-bugs@...glegroups.com,
        trond.myklebust@...merspace.com
Subject: Re: WARNING: locking bug in nfs_get_client

syzbot has bisected this bug to:

commit 950a578c6128c2886e295b9c7ecb0b6b22fcc92b
Author: Roberto Bergantinos Corpas <rbergant@...hat.com>
Date:   Thu Apr 25 13:36:51 2019 +0000

     NFS: make nfs_match_client killable

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11e40aaca00000
start commit:   31ccad9b Add linux-next specific files for 20190508
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=13e40aaca00000
console output: https://syzkaller.appspot.com/x/log.txt?x=15e40aaca00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=63cd766601c6c9fc
dashboard link: https://syzkaller.appspot.com/bug?extid=228a82b263b5da91883d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=140fdce8a00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=134dce02a00000

Reported-by: syzbot+228a82b263b5da91883d@...kaller.appspotmail.com
Fixes: 950a578c6128 ("NFS: make nfs_match_client killable")

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