syzbot


WARNING in tcf_chain0_head_change_cb_del (3)
Status: internal: reported C repro on 2021/08/01 18:50
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: ab443c539167 sch_cake: do not call cake_destroy() from cake_init()
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-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 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 179d, last: 43d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: INFO: task hung in addrconf_dad_work (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in tcf_chain0_head_change_cb_del (2) 1 356d 356d 0/22 auto-closed as invalid on 2021/05/06 14:13
upstream WARNING in tcf_chain0_head_change_cb_del 1 589d 584d 0/22 auto-closed as invalid on 2020/10/15 17:21

Sample crash report:

Crashes (107):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/12/08 00:00 upstream cd8c917a56f2 0230ba3e .config log report syz C WARNING in tcf_chain0_head_change_cb_del
ci-upstream-net-this-kasan-gce 2021/12/08 09:00 net 2a62df369271 0230ba3e .config log report syz C WARNING in tcf_chain0_head_change_cb_del
ci-upstream-net-kasan-gce 2021/12/08 04:40 net-next 1c5526968e27 0230ba3e .config log report syz C WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/12/15 00:56 upstream 5472f14a3742 f752fb53 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce 2021/12/09 09:14 upstream 2a987e65025e a4a2a501 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-root 2021/12/06 08:54 upstream 944207047ca4 a617004c .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-root 2021/12/06 04:53 upstream 944207047ca4 a617004c .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/12/04 20:16 upstream bbef3c7a63d2 a617004c .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-smack-root 2021/12/04 16:13 upstream 12119cfa1052 a617004c .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/12/03 10:40 upstream 5f58da2befa5 61f86278 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-smack-root 2021/12/03 07:54 upstream a51e3ac43ddb 61f86278 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/12/02 11:00 upstream 58e1100fdc59 61f86278 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/12/01 06:02 upstream 58e1100fdc59 80270552 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/30 23:32 upstream f080815fdb3e 80270552 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-root 2021/11/30 04:31 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-smack-root 2021/11/30 03:01 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/30 01:34 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-root 2021/11/30 00:06 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/29 21:34 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/29 15:38 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/29 10:49 upstream d06c942efea4 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/28 11:37 upstream 3498e7f2bb41 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/28 03:56 upstream 741392771338 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/27 23:22 upstream 741392771338 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/27 05:31 upstream c5c17547b778 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce 2021/11/26 19:12 upstream a4849f6000e2 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/26 05:48 upstream b501b85957de 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/26 00:32 upstream b501b85957de 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/25 23:52 upstream b501b85957de 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/25 16:40 upstream 5f53fa508db0 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/25 08:06 upstream 5f53fa508db0 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/24 09:07 upstream 5d9f4cf36721 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/23 14:51 upstream 136057256686 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/23 12:44 upstream 136057256686 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/23 05:25 upstream 136057256686 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-smack-root 2021/11/23 01:06 upstream 136057256686 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-selinux-root 2021/11/22 23:14 upstream 136057256686 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-root 2021/11/22 19:46 upstream 136057256686 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce 2021/11/22 05:28 upstream 40c93d7fff6f 4eb20a4e .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/20 09:46 upstream a90af8f15bdc 4eb20a4e .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/20 06:07 upstream a90af8f15bdc 4eb20a4e .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-kasan-gce-root 2021/11/20 01:11 upstream 9539ba4308ad 3a9d0024 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/11/19 11:28 upstream 4c388a8e740d 31a30fc0 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream 2021/08/01 18:49 upstream f3438b4c4e69 6c236867 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/12/08 10:47 upstream 2a987e65025e a4a2a501 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/29 18:03 upstream d58071a8a76d d0830353 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/29 06:52 upstream d06c942efea4 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/27 16:35 upstream 1bff7d7e8c48 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/26 23:19 upstream 1bff7d7e8c48 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/26 15:43 upstream b501b85957de 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/26 08:02 upstream b501b85957de 63eeac02 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/24 16:48 upstream 5d9f4cf36721 545ab074 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-qemu-upstream-386 2021/11/20 21:22 upstream a90af8f15bdc 4eb20a4e .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-net-this-kasan-gce 2021/11/14 02:52 net 70701b83e208 83f5c9b5 .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-linux-next-kasan-gce-root 2021/12/07 11:40 linux-next 04fe99a8d936 0230ba3e .config log report info WARNING in tcf_chain0_head_change_cb_del
ci-upstream-linux-next-kasan-gce-root 2021/12/04 11:44 linux-next f81e94e91878 a617004c .config log report info WARNING in tcf_chain0_head_change_cb_del