syzbot


WARNING: refcount bug in j1939_netdev_start (2)
Status: upstream: reported syz repro on 2020/01/13 06:51
Reported-by: syzbot+85d9878b19c94f9019ad@syzkaller.appspotmail.com
First crash: 616d, last: 10d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: refcount bug in j1939_netdev_start syz done 6 662d 684d 15/22 fixed on 2019/11/29 15:48
Patch testing requests:
Created Duration User Patch Repo Result
2021/08/29 10:06 15m phind.uet@gmail.com linux-next report log

Sample crash report:

Crashes (47):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/08/31 02:22 upstream 7d2a07b76933 8f58a0ef .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-kasan-gce-386 2021/09/09 13:04 upstream 0f4b9289bad3 e2776ee4 .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-this-kasan-gce 2021/08/14 23:54 net 5f7735196390 2489ab88 .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-this-kasan-gce 2021/07/25 04:09 net 89bc7f456cd4 4d1b57d4 .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-this-kasan-gce 2021/05/24 12:39 net 5eff1461a6de 3c7fef33 .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-kasan-gce 2021/08/21 14:40 net-next 4af14dbaeae0 b599f2fc .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-kasan-gce 2021/08/15 01:52 net-next fda4e19d505d 2489ab88 .config log report syz WARNING: refcount bug in j1939_netdev_start
ci-upstream-kasan-gce-smack-root 2020/02/26 19:18 upstream f8788d86ab28 59b57593 .config log report syz
ci-upstream-kasan-gce 2021/07/28 01:16 upstream 7d549995d4e0 17d6ab15 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu-upstream 2021/07/16 03:21 upstream dd9c7df94c1b f115ae98 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu-upstream 2021/04/18 23:52 upstream bf05bf16c76b 7e2b734b .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu-upstream 2021/03/20 01:34 upstream d626c692aaeb 3d01c4de .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu-upstream 2021/03/10 16:50 upstream 280d542f6ffa 764067f3 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/09/05 14:28 upstream 49624efa65ac d236a457 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-mte 2021/07/30 14:51 upstream 764a5bc89b12 c585c7b0 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-mte 2021/07/20 09:38 upstream 2734d6c1b1a0 bc48c9ab .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/07/16 05:39 upstream bf152b0b41dc f115ae98 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/07/04 07:38 upstream 3dbdb38e2869 55aa55c2 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/06/26 12:15 upstream b7050b242430 9d2ab5df .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/06/23 04:58 upstream bf152b0b41dc aba2b2fb .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/06/22 18:48 upstream bf152b0b41dc aba2b2fb .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/06/10 06:55 upstream bf152b0b41dc 1ba81399 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64 2021/05/10 09:02 upstream 9819f682e48c bc5434be .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/05/08 07:06 upstream bf152b0b41dc bc5434be .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/05/06 12:14 upstream d72cd4ad4174 06c27ff5 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/04/30 18:15 upstream d72cd4ad4174 77e2b668 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/04/24 21:22 upstream bf152b0b41dc 17f0b706 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/03/30 05:47 upstream 1e43c377a79f 6a81331a .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm32 2021/03/29 14:13 upstream bf152b0b41dc a8529b82 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64 2021/03/25 19:25 upstream e138138003eb 6a383ecf .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/03/24 08:41 upstream 7acac4b3196c e613994b .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64 2021/03/16 14:13 upstream 1a4431a5db2b fdb2bb2c .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-compat 2021/02/28 12:46 upstream 5695e5161974 4c37c133 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64-mte 2021/02/28 07:43 upstream 5695e5161974 4c37c133 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-arm64 2021/02/27 08:36 upstream 8b83369ddcb3 4c37c133 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-this-kasan-gce 2021/08/26 22:21 net 733c99ee8be9 b318694d .config log report info WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-this-kasan-gce 2021/08/14 23:14 net 5f7735196390 2489ab88 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-this-kasan-gce 2021/05/24 10:54 net 5eff1461a6de 3c7fef33 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-upstream-net-kasan-gce 2021/08/21 11:48 net-next 4af14dbaeae0 b599f2fc .config log report info WARNING: refcount bug in j1939_netdev_start
ci-upstream-linux-next-kasan-gce-root 2021/08/10 07:59 linux-next da454ebf578f 6972b106 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-riscv64 2021/06/01 21:42 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 18a3c5f7abfd 032639db .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-riscv64 2021/04/21 01:29 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 7ae11635ec90 c0ced557 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-qemu2-riscv64 2021/04/12 12:19 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 79c338ab575e bfeda1b1 .config log report info WARNING: refcount bug in j1939_netdev_start
ci-upstream-kasan-gce 2020/10/08 13:56 upstream c85fb28b6f99 1880b4a9 .config log report info
ci-upstream-kasan-gce 2020/01/12 21:11 upstream 6327edceb62b 31290a45 .config log report
ci-upstream-net-this-kasan-gce 2020/10/19 17:56 net 0e8b8d6a2d85 ff4a3345 .config log report info
ci-upstream-net-this-kasan-gce 2020/06/09 07:30 net 4d3da2d8d91f 0d60b78a .config log report