syzbot has bisected this bug to: commit 9d71dd0c70099914fcd063135da3c580865e924c Author: The j1939 authors <linux-can@xxxxxxxxxxxxxxx> Date: Mon Oct 8 09:48:36 2018 +0000 can: add support of SAE J1939 protocol bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17325552e00000 start commit: 847120f8 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14b25552e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=10b25552e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=8c5e2eca3f31f9bf dashboard link: https://syzkaller.appspot.com/bug?extid=a47537d3964ef6c874e1 userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=164973b4e00000 Reported-by: syzbot+a47537d3964ef6c874e1@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") For information about bisection process see: https://goo.gl/tpsmEJ#bisection