syzbot has bisected this bug to: commit e41d58185f1444368873d4d7422f7664a68be61d Author: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Date: Wed Jul 12 21:34:35 2017 +0000 fault-inject: support systematic fault injection bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17889f5ae00000 start commit: 6da6c0db Linux v4.17-rc3 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14489f5ae00000 console output: https://syzkaller.appspot.com/x/log.txt?x=10489f5ae00000 kernel config: https://syzkaller.appspot.com/x/.config?x=5a1dc06635c10d27 dashboard link: https://syzkaller.appspot.com/bug?extid=3337db851ace689ceb50 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15191837800000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=120af5c7800000 Reported-by: syzbot+3337db851ace689ceb50@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: e41d58185f14 ("fault-inject: support systematic fault injection") For information about bisection process see: https://goo.gl/tpsmEJ#bisection