Re: WARNING: locking bug in nfs_get_client

[syzbot]

syzbot has bisected this bug to:

commit 950a578c6128c2886e295b9c7ecb0b6b22fcc92b
Author: Roberto Bergantinos Corpas <rbergant@xxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 950a578c6128 ("NFS: make nfs_match_client killable")

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