syzbot


general protection fault in j1939_netdev_notify (2)
Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+5138c4dd15a0401bec7b@syzkaller.appspotmail.com
Fix commit: 4e096a18 net: introduce CAN specific pointer in the struct net_device
First crash: 118d, last: 56d

Cause bisection: introduced by (bisect log) :
commit 497a5757ce4e8f37219a3989ac6a561eb9a8e6c7
Author: Heiner Kallweit <hkallweit1@gmail.com>
Date: Sat Nov 7 20:50:56 2020 +0000

  tun: switch to net core provided statistics counters

Crash: BUG: unable to handle kernel paging request in j1939_priv_get_by_ndev_locked (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in j1939_netdev_notify syz done 11 514d 525d 15/22 fixed on 2019/11/29 15:48

Sample crash report:

Crashes (19):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/12/16 12:48 upstream d635a69d f213e07e .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/16 12:33 upstream d635a69d f213e07e .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/02/16 13:45 upstream f40ddce8 98682e5e .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/02/10 05:34 upstream e0756cfc 2bd9619f .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/02/05 19:07 upstream dd86e7fa 23a562df .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/02/03 16:46 upstream 3aaf0a27 624dad51 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/31 05:43 upstream 8c947645 fc9fd31e .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/30 03:22 upstream bec4c296 fc9fd31e .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/29 01:53 upstream e5ff2cb9 7df34f59 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/28 09:44 upstream 76c057c8 eefc07f2 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/21 02:45 upstream 75439bc4 d4f4eca5 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/18 17:37 upstream 19c329f6 63631df1 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/18 17:26 upstream 19c329f6 63631df1 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/18 00:14 upstream a1339d63 813be542 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/17 16:16 upstream 0da0a8a0 813be542 .config log report info general protection fault in j1939_netdev_notify
ci-upstream-kasan-gce-smack-root 2021/01/15 21:28 upstream 5ee88057 65a7a854 .config log report info
ci-upstream-kasan-gce-smack-root 2021/01/15 16:05 upstream 5ee88057 65a7a854 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/16 06:10 upstream d635a69d f213e07e .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/16 05:32 upstream d635a69d f213e07e .config log report info