syzbot


general protection fault in hrtimer_active (3)
Status: internal: reported syz repro on 2021/04/03 01:49
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: e28587cc491e sit: do not call ipip6_dev_free() from sit_init_net()
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: 297d, last: 36d

Cause bisection: introduced by (bisect log) :
commit 766b0515d5bec4b780750773ed3009b148df8c0a
Author: Jakub Kicinski <kuba@kernel.org>
Date: Wed Jan 6 18:40:07 2021 +0000

  net: make sure devices go through netdev_wait_all_refs

Crash: unregister_netdevice: waiting for DEV to become free (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in hrtimer_active C 669 1536d 1559d 3/22 fixed on 2017/11/28 03:36
upstream general protection fault in hrtimer_active (2) C 10612 1422d 1427d 4/22 fixed on 2018/03/06 13:29
linux-4.19 general protection fault in hrtimer_active C error 66 124d 868d 0/1 upstream: reported C repro on 2019/09/09 21:23

Sample crash report:

Crashes (32):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/07/03 04:00 upstream 3dbdb38e2869 55aa55c2 .config log report syz general protection fault in hrtimer_active
ci-upstream-kasan-gce-root 2021/06/25 18:13 upstream 44db63d1ad8d ae6bf8dd .config log report info general protection fault in hrtimer_active
ci-upstream-kasan-gce-root 2021/06/01 21:36 upstream c2131f7e73c9 032639db .config log report info general protection fault in hrtimer_active
ci-qemu-upstream 2021/05/28 03:33 upstream 97e5bf604b7a 858ea628 .config log report info general protection fault in hrtimer_active
ci-qemu-upstream-386 2021/08/01 22:16 upstream d4affd6b6e81 6c236867 .config log report info general protection fault in hrtimer_active
ci-qemu-upstream-386 2021/06/18 22:09 upstream b1edae0d5f2e aba2b2fb .config log report info general protection fault in hrtimer_active
ci-qemu-upstream-386 2021/06/11 14:57 upstream 06af8679449d 1ba81399 .config log report info general protection fault in hrtimer_active
ci-qemu-upstream-386 2021/06/04 09:46 upstream f88cd3fb9df2 966a236b .config log report info general protection fault in hrtimer_active
ci-qemu-upstream-386 2021/05/29 17:24 upstream 6799d4f2da49 325a8dab .config log report info general protection fault in hrtimer_active
ci-qemu-upstream-386 2021/05/28 14:11 upstream 97e5bf604b7a 858ea628 .config log report info general protection fault in hrtimer_active
ci-upstream-net-this-kasan-gce 2021/12/19 04:50 net 60ec7fcfe768 44068e19 .config log report info general protection fault in hrtimer_active
ci-upstream-bpf-kasan-gce 2021/09/09 22:47 bpf 57f780f1c433 e2776ee4 .config log report info general protection fault in hrtimer_active
ci-upstream-net-this-kasan-gce 2021/08/22 21:25 net 9cf448c200ba b599f2fc .config log report info general protection fault in hrtimer_active
ci-upstream-net-this-kasan-gce 2021/08/22 14:17 net 12d125b4574b b599f2fc .config log report info general protection fault in hrtimer_active
ci-upstream-bpf-kasan-gce 2021/07/29 02:58 bpf 2039f26f3aca 9a4781d4 .config log report info general protection fault in hrtimer_active
ci-upstream-bpf-kasan-gce 2021/05/26 10:22 bpf f5d287126f63 54f0bcf1 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/12/14 12:58 net-next a3c62a042237 d018dd31 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/11/25 07:56 net-next d156250018ab 545ab074 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/10/20 18:05 net-next 816219a86d21 418a00eb .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/09/06 01:29 net-next 29ce8f970107 d236a457 .config log report info general protection fault in hrtimer_active
ci-upstream-bpf-next-kasan-gce 2021/08/08 23:04 bpf-next c83ae15dc947 6972b106 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/08/04 02:41 net-next 7cdd0a89ec70 6c236867 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/07/12 09:05 net-next 5e437416ff66 a4869c92 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/07/04 20:39 net-next 5e437416ff66 55aa55c2 .config log report info general protection fault in hrtimer_active
ci-upstream-bpf-next-kasan-gce 2021/06/28 07:15 bpf-next a196fa78a265 9d2ab5df .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/06/19 02:56 net-next 4bea7207a80c aba2b2fb .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/06/06 11:02 net-next 1a42624aecba 500c2339 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/05/03 05:42 net-next 95aafe911db6 77e2b668 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/04/16 05:34 net-next c329e5afb42f c59079a6 .config log report info general protection fault in hrtimer_active
ci-upstream-net-kasan-gce 2021/04/03 01:48 net-next f3f409a9b7f5 6a81331a .config log report info general protection fault in hrtimer_active
ci-upstream-linux-next-kasan-gce-root 2021/09/16 21:25 linux-next 368847b165bb aae492f2 .config log report info general protection fault in hrtimer_active
ci-upstream-linux-next-kasan-gce-root 2021/05/26 23:18 linux-next a1f92694393a 858ea628 .config log report info general protection fault in hrtimer_active