syzbot has bisected this bug to:
commit e1c30298ccab87151a0c4241fc5985c591598361
Author: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Date: Thu Aug 13 15:32:07 2015 +0000
IB/ucma: HW Device hot-removal support
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=157538d3200000
start commit: 5b394b2d Linux 4.19-rc1
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=177538d3200000
console output: https://syzkaller.appspot.com/x/log.txt?x=137538d3200000
kernel config: https://syzkaller.appspot.com/x/.config?x=49927b422dcf0b29
dashboard link: https://syzkaller.appspot.com/bug?extid=4b628fcc748474003457
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13351e2e400000
Reported-by: syzbot+4b628fcc748474003457@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e1c30298ccab ("IB/ucma: HW Device hot-removal support")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
