syzbot


WARNING: ODEBUG bug in batadv_v_ogm_free
Status: upstream: reported C repro on 2021/10/08 01:46
Reported-by: syzbot+0ef06384b5f39a16ebb9@syzkaller.appspotmail.com
Fix commit: 6f68cd634856 net: batman-adv: fix error handling
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64]
First crash: 113d, last: 95d

Cause bisection: introduced by (bisect log) :
commit 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0
Author: Justin Iurman <justin.iurman@uliege.be>
Date: Tue Jul 20 19:42:57 2021 +0000

  ipv6: ioam: Data plane support for Pre-allocated Trace

Crash: WARNING: ODEBUG bug in batadv_nc_mesh_free (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 6f68cd634856f8ca93bafd623ba5357e0f648c68
Author: Pavel Skripkin <paskripkin@gmail.com>
Date: Sun Oct 24 13:13:56 2021 +0000

  net: batman-adv: fix error handling

similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING: ODEBUG bug in batadv_v_ogm_free C 41 5h39m 98d 0/1 upstream: reported C repro on 2021/10/22 05:58

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/10/18 15:04 upstream cf52ad5ff16c 0c5d9412 .config log report syz C WARNING: ODEBUG bug in batadv_v_ogm_free
ci-upstream-net-this-kasan-gce 2021/10/07 22:44 net 65f280bb65e6 efe0f24d .config log report syz C WARNING: ODEBUG bug in batadv_v_ogm_free
ci-upstream-net-kasan-gce 2021/10/07 21:51 net-next 44cc24b04bed efe0f24d .config log report syz C WARNING: ODEBUG bug in batadv_v_ogm_free
ci-upstream-net-this-kasan-gce 2021/10/25 13:37 net 95a359c95533 4f0000ee .config log report info WARNING: ODEBUG bug in batadv_v_ogm_free
ci-upstream-net-this-kasan-gce 2021/10/24 23:12 net 95a359c95533 282f03fb .config log report info WARNING: ODEBUG bug in batadv_v_ogm_free
ci-upstream-net-kasan-gce 2021/10/07 21:01 net-next 44cc24b04bed efe0f24d .config log report info WARNING: ODEBUG bug in batadv_v_ogm_free