syzbot


WARNING: ODEBUG bug in slave_kobj_release
Status: upstream: reported C repro on 2020/12/07 12:52
Reported-by: syzbot+7bce4c2f7e1768ec3fe0@syzkaller.appspotmail.com
First crash: 317d, last: 146d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in batadv_iv_send_outstanding_bat_ogm_packet (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) [no-op commit]:
commit 504fd6a5390c30b1b7670768e314dd5d473da06a
Author: Shay Agroskin <shayagr@amazon.com>
Date: Tue Jun 8 16:42:54 2021 +0000

  net: ena: fix DMA mapping function issues in XDP

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING: ODEBUG bug in slave_kobj_release C done 28 130d 307d 1/1 fixed on 2021/07/08 18:21
linux-4.14 WARNING: ODEBUG bug in slave_kobj_release C 30 10d 301d 0/1 upstream: reported C repro on 2020/12/19 23:35

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/02/06 02:47 net-next 4d469ec8ec05 23a562df .config log report syz C WARNING: ODEBUG bug in slave_kobj_release
ci-upstream-kasan-gce-root 2021/04/05 04:45 upstream e49d033bddf5 6a81331a .config log report info WARNING: ODEBUG bug in slave_kobj_release
ci-upstream-bpf-kasan-gce 2021/04/23 18:59 bpf b02265429681 17f0b706 .config log report info WARNING: ODEBUG bug in slave_kobj_release
ci-upstream-net-this-kasan-gce 2021/04/01 21:02 net 622d13694b5f 6a81331a .config log report info WARNING: ODEBUG bug in slave_kobj_release
ci-upstream-bpf-kasan-gce 2021/03/05 13:57 bpf 39491867ace5 9d751681 .config log report info WARNING: ODEBUG bug in slave_kobj_release
ci-upstream-net-kasan-gce 2021/02/06 00:55 net-next 4d469ec8ec05 23a562df .config log report info WARNING: ODEBUG bug in slave_kobj_release
ci-upstream-kasan-gce 2020/12/17 08:14 upstream 5e60366d56c6 04201c06 .config log report info
ci-upstream-kasan-gce-root 2020/12/03 12:32 upstream 34816d20f173 e6b0d314 .config log report info
ci-upstream-kasan-gce-386 2020/12/30 07:02 upstream 139711f033f6 0fa352f2 .config log report info