syzbot has bisected this bug to:

commit da2648390ce3d409218b6bbbf2386d8ddeec2265 Author: Lubomir Rintel lkundrak@v3.sk Date: Thu Dec 20 18:13:09 2018 +0000

pxa168fb: trivial typo fix

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1361e139e00000 start commit: 5076190d mm: slub: be more careful about the double cmpxch.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=10e1e139e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1761e139e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9f894bd92023de02 dashboard link: https://syzkaller.appspot.com/bug?extid=3950016bd95c2ca0377b userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1162bbe3e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13c93b45e00000

Reported-by: syzbot+3950016bd95c2ca0377b@syzkaller.appspotmail.com Fixes: da2648390ce3 ("pxa168fb: trivial typo fix")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection