syzbot


WARNING in taprio_change
Status: upstream: reported C repro on 2020/09/14 09:19
Reported-by: syzbot+d50710fd0873a9c6b40c@syzkaller.appspotmail.com
Fix commit: ed8157f1 net: sched: tapr: prevent cycle_time == 0 in parse_taprio_schedule
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 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-arm32 ci-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 273d, last: 35d

Cause bisection: introduced by (bisect log) :
commit b5b73b26b3ca34574124ed7ae9c5ba8391a7f176
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Thu Sep 10 00:03:11 2020 +0000

  taprio: Fix allowing too small intervals

Crash: WARNING in taprio_change (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/04/15 23:21 19m ducheng2@gmail.com patch upstream OK
2021/04/14 06:30 18m ducheng2@gmail.com patch upstream OK
2021/04/05 07:28 13m ducheng2@gmail.com upstream report log

Sample crash report:

Crashes (746):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/05/02 10:43 upstream d2b6f8a1 77e2b668 .config log report syz C WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/04/04 15:46 upstream 2023a53b 6a81331a .config log report syz C WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/04 05:24 upstream 57fbdb15 6a81331a .config log report syz C WARNING in taprio_change
ci-upstream-kasan-gce 2020/12/11 11:04 upstream 33dc9614 f900b48c .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/09/28 15:01 upstream a1b8638b 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-root 2020/09/26 23:12 upstream 7c7ec322 2d5ea0cb .config log report syz C
ci-upstream-net-this-kasan-gce 2020/11/02 04:13 net 859191b2 8bc4594f .config log report syz C
ci-upstream-net-this-kasan-gce 2020/09/12 19:24 net 5760d9ac ce441f06 .config log report syz C
ci-upstream-net-kasan-gce 2020/11/02 04:13 net-next c43fd36f 8bc4594f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/05/08 08:50 upstream d2b6f8a1 bc5434be .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/05/07 16:24 upstream d2b6f8a1 f6da8120 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/05/07 16:09 upstream d2b6f8a1 f6da8120 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/05/07 06:01 upstream d2b6f8a1 06585184 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/05/06 22:25 upstream d2b6f8a1 06585184 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/05/03 07:03 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/05/02 23:14 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/05/02 21:55 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/05/02 12:51 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/05/02 06:00 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/05/01 22:38 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/05/01 17:06 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/05/01 15:13 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/05/01 11:25 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/28 02:30 upstream 57fa2369 805b5003 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/28 00:20 upstream 57fa2369 805b5003 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/27 06:43 upstream 4a0225c3 805b5003 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/26 10:50 upstream 9f4ad9e4 2a82f1b3 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/04/26 02:52 upstream d2d09fbe 2a82f1b3 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/25 19:43 upstream 2a1d7946 36c88236 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/04/24 10:42 upstream e77a830c 17f0b706 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/04/24 09:32 upstream e77a830c 17f0b706 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/04/24 05:26 upstream e77a830c 17f0b706 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/23 12:21 upstream 18a3c5f7 17f0b706 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/04/22 16:19 upstream 16fc44d6 33c28d03 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/04/21 23:58 upstream 16fc44d6 2bc8999a .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/04/21 23:42 upstream 16fc44d6 2bc8999a .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/21 17:36 upstream 1fe5501b 95777977 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/04/21 16:20 upstream 1fe5501b 95777977 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-selinux-root 2021/04/20 22:04 upstream 7af08140 c0ced557 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/04/20 10:05 upstream 7af08140 4285c989 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/04/20 08:52 upstream 7af08140 4285c989 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/04/20 07:49 upstream 7af08140 4285c989 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-root 2021/04/19 14:43 upstream bf05bf16 50f523d7 .config log report info WARNING in taprio_change
ci-qemu-upstream 2021/04/17 18:17 upstream 9cdbf646 7e2b734b .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-smack-root 2021/04/17 17:58 upstream 9cdbf646 7e2b734b .config log report info WARNING in taprio_change
ci-upstream-kasan-gce 2021/04/15 18:32 upstream 7f75285c fcdb12ba .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-386 2021/05/07 17:45 upstream d2b6f8a1 f6da8120 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-386 2021/05/03 00:28 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-386 2021/05/01 14:10 upstream d2b6f8a1 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-386 2021/04/27 09:53 upstream 4a0225c3 805b5003 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-386 2021/04/24 07:50 upstream 8db5efb8 17f0b706 .config log report info WARNING in taprio_change
ci-qemu-upstream-386 2021/03/27 08:55 upstream 0f4498ce a8529b82 .config log report info WARNING in taprio_change
ci-upstream-net-this-kasan-gce 2021/04/19 12:13 net 88a5af94 50f523d7 .config log report info WARNING in taprio_change
ci-upstream-net-this-kasan-gce 2021/04/17 17:21 net f2764bd4 7e2b734b .config log report info WARNING in taprio_change
ci-upstream-net-this-kasan-gce 2021/04/16 22:45 net 0e0704bb 7e2b734b .config log report info WARNING in taprio_change
ci-upstream-net-kasan-gce 2021/05/06 21:13 net-next 95aafe91 06585184 .config log report info WARNING in taprio_change
ci-upstream-net-kasan-gce 2021/05/03 11:40 net-next 95aafe91 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-net-kasan-gce 2021/05/02 09:51 net-next 95aafe91 77e2b668 .config log report info WARNING in taprio_change
ci-upstream-net-kasan-gce 2021/04/25 19:17 net-next b2f0ca00 36c88236 .config log report info WARNING in taprio_change
ci-upstream-net-kasan-gce 2021/04/24 23:42 net-next b2f0ca00 17f0b706 .config log report info WARNING in taprio_change
ci-upstream-linux-next-kasan-gce-root 2021/04/20 09:59 linux-next 1216f02e 4285c989 .config log report info WARNING in taprio_change
ci-upstream-linux-next-kasan-gce-root 2021/04/19 14:51 linux-next 1216f02e 50f523d7 .config log report info WARNING in taprio_change
ci-upstream-kasan-gce-386 2021/01/07 20:13 upstream 71c061d2 c104d4a3 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/12 19:06 net 5760d9ac ce441f06 .config log report