syzbot


UBSAN: shift-out-of-bounds in intel_pmu_refresh
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+ae488dc136a4cc6ba32b@syzkaller.appspotmail.com
Fix commit: e61ab2a320c3 KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
First crash: 362d, last: 310d

Cause bisection: introduced by (bisect log) [release commit]:
commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Sep 15 21:19:32 2019 +0000

  Linux 5.3

Crash: UBSAN: undefined-behaviour in intel_pmu_refresh (log)
Repro: C syz .config

Sample crash report:

Crashes (1237):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/01/18 05:52 upstream a1339d6355ac fd103621 .config log report syz C UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2020/12/08 07:13 linux-next 15ac8fdb7440 51a9082e .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/01/27 06:30 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/27 04:56 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/27 02:23 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/27 00:07 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/27 00:00 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/26 14:26 upstream 13391c60da33 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/26 13:13 upstream 13391c60da33 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/26 07:47 upstream f8ad8187c3b5 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-selinux-root 2021/01/26 07:06 upstream f8ad8187c3b5 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/26 04:38 upstream f8ad8187c3b5 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/25 23:54 upstream f8ad8187c3b5 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/25 20:32 upstream 6ee1d745b7c9 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/25 18:30 upstream 6ee1d745b7c9 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/25 11:37 upstream 6ee1d745b7c9 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/25 03:39 upstream e68061375f79 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/24 22:01 upstream e68061375f79 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/24 17:58 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/24 12:50 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/24 10:56 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/24 06:47 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/24 02:42 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/24 01:40 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/23 22:56 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/23 21:13 upstream fe75a21824e7 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/23 18:56 upstream fe75a21824e7 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/23 18:32 upstream fe75a21824e7 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/23 10:04 upstream fe75a21824e7 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-selinux-root 2021/01/23 06:21 upstream 83d09ad4b950 4080af96 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-selinux-root 2021/01/23 02:05 upstream 83d09ad4b950 4080af96 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce 2021/01/22 20:26 upstream 83d09ad4b950 4080af96 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/26 18:39 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/26 16:55 upstream 13391c60da33 55a7d4df .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/26 06:04 upstream f8ad8187c3b5 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/26 01:06 upstream f8ad8187c3b5 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/24 23:43 upstream e68061375f79 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/24 08:38 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/24 00:36 upstream e1ae4b0be158 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/22 21:29 upstream 83d09ad4b950 4080af96 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-386 2021/01/22 14:50 upstream 9f29bd8b2e71 d4f4eca5 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/28 04:25 linux-next bc085f8fc88f eefc07f2 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/27 23:05 linux-next bc085f8fc88f eefc07f2 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/27 16:17 linux-next bc085f8fc88f a0ebf917 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/27 13:42 linux-next bc085f8fc88f a0ebf917 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/26 11:28 linux-next bc085f8fc88f 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/26 11:20 linux-next bc085f8fc88f 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/26 09:45 linux-next bc085f8fc88f 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/24 20:16 linux-next bc085f8fc88f 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-linux-next-kasan-gce-root 2021/01/23 07:51 linux-next bc085f8fc88f 52e37319 .config log report info UBSAN: shift-out-of-bounds in intel_pmu_refresh
ci-upstream-kasan-gce-smack-root 2021/01/17 13:51 upstream 0da0a8a0a0e1 813be542 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/07 12:15 linux-next 15ac8fdb7440 1190297f .config log report info