syzbot has bisected this issue to: commit 884a76881fc5f5c9c04de1b640bed2c340929842 Author: David Howells <dhowells@xxxxxxxxxx> Date: Mon Feb 10 10:00:22 2020 +0000 fscache: Procfile to display cookies bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=114e665d300000 start commit: a9c9a6f741cd Merge tag 'scsi-misc' of git://git.kernel.org.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=134e665d300000 console output: https://syzkaller.appspot.com/x/log.txt?x=154e665d300000 kernel config: https://syzkaller.appspot.com/x/.config?x=c84ed2c3f57ace dashboard link: https://syzkaller.appspot.com/bug?extid=ba74b85fa15fd7a96437 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137a45a3300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105ba169300000 Reported-by: syzbot+ba74b85fa15fd7a96437@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 884a76881fc5 ("fscache: Procfile to display cookies") For information about bisection process see: https://goo.gl/tpsmEJ#bisection