syzbot has bisected this bug to: commit d5e73f7be850323ae3adbbe84ed37a38b0c31476 Author: Mahesh Bandewar <maheshb@xxxxxxxxxx> Date: Wed Mar 8 18:55:51 2017 +0000 bonding: restructure arp-monitor bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e679f7200000 start commit: d5e73f7b bonding: restructure arp-monitor git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17e679f7200000 console output: https://syzkaller.appspot.com/x/log.txt?x=13e679f7200000 kernel config: https://syzkaller.appspot.com/x/.config?x=4a0a89f12ca9b0f5 dashboard link: https://syzkaller.appspot.com/bug?extid=a9317fe7ad261fc76b88 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16f7b6f5400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105a2783400000 Reported-by: syzbot+a9317fe7ad261fc76b88@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: d5e73f7b ("bonding: restructure arp-monitor")