syzbot


UBSAN: array-index-out-of-bounds in arch_uprobe_analyze_insn
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+9b64b619f10f19d19a7c@syzkaller.appspotmail.com
Fix commit: 12cb908a11b2 x86/insn-eval: Use new for_each_insn_prefix() macro to loop over prefixes bytes 84da009f06e6 x86/sev-es: Use new for_each_insn_prefix() macro to loop over prefixes bytes 4e9a5ae8df5b x86/uprobes: Do not use prefixes.nbytes when looping over prefixes.bytes
First crash: 445d, last: 365d

Cause bisection: introduced by (bisect log) :
commit 4b2bd5fec007a4fd3fc82474b9199af25013de4c
Author: John Stultz <john.stultz@linaro.org>
Date: Sat Oct 8 00:02:33 2016 +0000

  proc: fix timerslack_ns CAP_SYS_NICE check when adjusting self

Crash: WARNING in nf_unregister_net_hook (log)
Repro: C syz .config

Sample crash report:

Crashes (604):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/12/03 14:16 upstream 34816d20f173 e6b0d314 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/11/06 21:42 upstream 521b619acdc8 64069d48 .config log report syz C
ci-upstream-kasan-gce-root 2020/11/06 06:11 upstream 521b619acdc8 64069d48 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/10/13 05:13 upstream bbf5c979011a d32b0bbf .config log report syz C
ci-upstream-kasan-gce-root 2020/09/21 00:12 upstream 325d0eab4f31 9564d2e9 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/12/05 02:12 linux-next 0eedceafd3a6 20366b87 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/12/06 17:05 upstream 33256ce19411 f12ba0c5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/06 09:06 upstream 33256ce19411 f12ba0c5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/06 01:55 upstream b3298500b23f 50503117 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/05 18:17 upstream b3298500b23f 50503117 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/05 10:07 upstream e87297fa080a 20366b87 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/04 22:43 upstream e87297fa080a 20366b87 .config log report info
ci-qemu-upstream 2020/12/03 22:36 upstream 34816d20f173 59ad4022 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/03 12:55 upstream 34816d20f173 e6b0d314 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/03 07:11 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/03 04:58 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/02 11:51 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-root 2020/12/02 06:28 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/01 18:25 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/01 15:45 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/01 12:24 upstream b65054597872 b3a34598 .config log report info
ci-qemu-upstream 2020/11/30 17:13 upstream b65054597872 76831598 .config log report info
ci-upstream-kasan-gce-root 2020/11/30 11:08 upstream b65054597872 a0092f9d .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/29 06:31 upstream 45e885c439e8 a0092f9d .config log report info
ci-upstream-kasan-gce-root 2020/11/27 13:39 upstream 85a2c56cb445 5018c946 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/27 06:28 upstream 85a2c56cb445 5018c946 .config log report info
ci-upstream-kasan-gce-root 2020/11/26 19:26 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/26 18:12 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-root 2020/11/26 16:53 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/26 16:05 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/26 07:59 upstream fa02fcd94b0c 2f1cec62 .config log report info
ci-upstream-kasan-gce-root 2020/11/26 01:06 upstream fa02fcd94b0c 2f1cec62 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/26 00:16 upstream fa02fcd94b0c 2f1cec62 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/25 15:45 upstream 127c501a03d5 1a1f4bd8 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/25 13:30 upstream 127c501a03d5 1a1f4bd8 .config log report info
ci-upstream-kasan-gce-root 2020/11/25 10:06 upstream 127c501a03d5 1a1f4bd8 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/25 02:44 upstream 80145ac2f739 e34b696c .config log report info
ci-upstream-kasan-gce-root 2020/11/24 11:08 upstream d5beb3140f91 1ab681a4 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/24 10:42 upstream d5beb3140f91 1ab681a4 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/24 01:54 upstream d5beb3140f91 878fb17a .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/23 11:19 upstream 418baf2c28f3 0d27f508 .config log report info
ci-upstream-kasan-gce-root 2020/09/20 20:35 upstream 325d0eab4f31 9564d2e9 .config log report info
ci-qemu-upstream-386 2020/11/30 08:51 upstream b65054597872 a0092f9d .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/06 13:45 linux-next 0eedceafd3a6 f12ba0c5 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/06 05:43 linux-next 0eedceafd3a6 50503117 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/03 15:20 linux-next 0eedceafd3a6 e6b0d314 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/02 10:48 linux-next 0eedceafd3a6 c42a35e9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/01 18:14 linux-next 0eedceafd3a6 07bfe8a5 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/01 08:07 linux-next c6b11acc5f85 b3a34598 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/29 09:02 linux-next 6174f05255e6 a0092f9d .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/27 12:36 linux-next 6147c83fd749 5018c946 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/26 02:21 linux-next 62918e6fd7b5 2f1cec62 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/22 10:11 linux-next 95065cb54210 0d27f508 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/16 22:55 linux-next 5fa35f247b56 8247808b .config log report info