syzbot has bisected this bug to:
commit a8b13aa20afb69161b5123b4f1acc7ea0a03d360
Author: Amir Goldstein <amir73il@xxxxxxxxx>
Date: Thu Jan 10 17:04:36 2019 +0000
fanotify: enable FAN_REPORT_FID init flag
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11e78d6f200000
start commit: a8b13aa2 fanotify: enable FAN_REPORT_FID init flag
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=13e78d6f200000
console output: https://syzkaller.appspot.com/x/log.txt?x=15e78d6f200000
kernel config: https://syzkaller.appspot.com/x/.config?x=e9d91b7192a5e96e
dashboard link: https://syzkaller.appspot.com/bug?extid=2c49971e251e36216d1f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1287516f200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ee410b200000
Reported-by: syzbot+2c49971e251e36216d1f@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: a8b13aa2 ("fanotify: enable FAN_REPORT_FID init flag")
