Re: [syzbot] [ocfs2?] possible deadlock in ocfs2_setattr

[syzbot]

syzbot has bisected this issue to:

commit a3c06ae158dd6fa8336157c31d9234689d068d02
Author: Parav Pandit <parav@xxxxxxxxxx>
Date:   Tue Jan 5 10:32:03 2021 +0000

    vdpa_sim_net: Add support for user supported devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17fc2640580000
start commit:   d12937763990 Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14022640580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10022640580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=41330fd2db03893d
dashboard link: https://syzkaller.appspot.com/bug?extid=d78497256d53041ee229
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12d0dc87980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14e19430580000

Reported-by: syzbot+d78497256d53041ee229@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: a3c06ae158dd ("vdpa_sim_net: Add support for user supported devices")

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