syzbot


UBSAN: shift-out-of-bounds in red_enqueue
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: bd1248f1ddbc net: sched: prevent invalid Scell_log shift count
First crash: 362d, last: 270d

Cause bisection: introduced by (bisect log) [merge commit]:
commit a45ff5994c9cde41af627c46abb9f32beae68943
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu Jul 11 13:14:16 2019 +0000

  Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: C syz .config

Sample crash report:

Crashes (4906):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/01/28 10:27 upstream 76c057c84d28 eefc07f2 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/01/21 01:58 upstream 75439bc439e0 d4f4eca5 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/01/18 07:28 upstream a1339d6355ac fd103621 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/02/10 04:13 net 49c2547b82c6 2bd9619f .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/02/02 06:38 net 5e9eff5dfa46 e6b95f32 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/01/25 13:22 net 344db93ae3ee 52e37319 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/02/10 05:11 net-next fc1a8db3d560 2bd9619f .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/02/06 21:40 net-next c90597bdebb5 0655e081 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/02/02 05:05 net-next 1a2b60f6f165 e6b95f32 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/01/25 12:18 net-next a61e4b60761f 52e37319 .config log report syz C UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-selinux-root 2020/12/17 08:46 upstream 5e60366d56c6 04201c06 .config log report syz C
ci-upstream-net-this-kasan-gce 2021/01/10 20:33 net f97844f9c518 2c1f2513 .config log report syz C
ci-upstream-net-kasan-gce 2021/01/10 20:02 net-next 73b7a6047971 2c1f2513 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/12/11 02:49 linux-next 14240d4c5b25 f900b48c .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/12/08 07:58 linux-next 15ac8fdb7440 51a9082e .config log report syz C
ci-upstream-kasan-gce-root 2021/03/10 00:24 upstream 144c79ef3353 26967e35 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-qemu-upstream 2021/03/09 16:57 upstream 280d542f6ffa 26967e35 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/09 08:25 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/09 05:17 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-selinux-root 2021/03/09 04:09 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/09 00:32 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/08 23:11 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/08 21:50 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-selinux-root 2021/03/08 20:05 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/03/08 17:22 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/03/08 11:21 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/03/08 07:26 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/08 06:35 upstream 3bb48a850627 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/08 05:31 upstream 3bb48a850627 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-qemu-upstream 2021/03/08 01:18 upstream 280d542f6ffa 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/07 19:17 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/03/07 17:17 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/07 14:28 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/07 12:01 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-qemu-upstream 2021/03/07 10:51 upstream 280d542f6ffa c599ed12 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-smack-root 2021/03/07 07:24 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-root 2021/03/06 21:27 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/03/06 18:49 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-qemu-upstream-386 2021/03/09 22:09 upstream 280d542f6ffa 26967e35 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/09 12:34 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/09 01:36 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/08 16:15 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/08 12:25 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/08 04:04 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/07 22:44 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/07 22:13 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-qemu-upstream-386 2021/03/07 20:43 upstream 280d542f6ffa 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/07 16:05 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce-386 2021/03/06 19:50 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 22:54 net 4416e98594dc 26967e35 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 19:49 net 4416e98594dc 26967e35 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 15:46 net 4416e98594dc 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 14:40 net 4416e98594dc 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 03:04 net 29d98f54a4fe 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 10:05 net 9270bbe258c8 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 09:03 net 9270bbe258c8 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 02:57 net 9270bbe258c8 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 00:05 net 9270bbe258c8 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-this-kasan-gce 2021/03/07 04:29 net 9270bbe258c8 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/03/09 21:06 net-next d310ec03a34e 26967e35 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/03/09 12:19 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/03/09 06:58 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/03/08 18:50 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/03/07 13:02 net-next d310ec03a34e 75506d9c .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-net-kasan-gce 2021/03/07 02:06 net-next d310ec03a34e e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-linux-next-kasan-gce-root 2021/03/08 14:33 linux-next 4641b32307b3 09fbf400 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-linux-next-kasan-gce-root 2021/03/06 22:52 linux-next 4641b32307b3 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in red_enqueue
ci-upstream-kasan-gce 2021/01/17 13:45 upstream 0da0a8a0a0e1 813be542 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/07 12:37 linux-next 15ac8fdb7440 1190297f .config log report info