syzbot has bisected this bug to:
commit 2da22da573481cc4837e246d0eee4d518b3f715e
Author: Mike Christie <mchristi@xxxxxxxxxx>
Date: Tue Aug 13 16:39:52 2019 +0000
nbd: fix zero cmd timeout handling v2
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11d6ab14100000
start commit: e99332e7 gcc-10: mark more functions __init to avoid secti..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=13d6ab14100000
console output: https://syzkaller.appspot.com/x/log.txt?x=15d6ab14100000
kernel config: https://syzkaller.appspot.com/x/.config?x=8a96cf498e199d8b
dashboard link: https://syzkaller.appspot.com/bug?extid=518c54e255b5031adde4
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=146e45ec100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=164444a4100000
Reported-by: syzbot+518c54e255b5031adde4@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 2da22da57348 ("nbd: fix zero cmd timeout handling v2")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
