syzbot has bisected this bug to: commit ff95bf28c23490584b9d75913a520bb7bb1f2ecb Author: Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx> Date: Mon Jul 1 04:40:31 2019 +0000 selftests/net: skip psock_tpacket test if KALLSYMS was not enabled bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e2e966e00000 start commit: 8f8972a3 Merge tag 'mtd/fixes-for-5.5-rc7' of git://git.ke.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1412e966e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1012e966e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=d9290aeb7e6cf1c4 dashboard link: https://syzkaller.appspot.com/bug?extid=33fc3ad6fa11675e1a7e userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15982cc9e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11be38d6e00000 Reported-by: syzbot+33fc3ad6fa11675e1a7e@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: ff95bf28c234 ("selftests/net: skip psock_tpacket test if KALLSYMS was not enabled") For information about bisection process see: https://goo.gl/tpsmEJ#bisection