syzbot

 sign-in | mailing list | source | docs
🐞 Open [1158] ≡ Subsystems 🐞 Fixed [4412] 🐞 Invalid [9929] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

unexpected kernel reboot (8)

Status: upstream: reported C repro on 2022/09/28 02:03
Subsystems: kernel (incorrect?)
Reported-by: syzbot+8346a1aeed52cb04c9ba@syzkaller.appspotmail.com
First crash: 187d, last: 50d

Cause bisection: failed (error log, bisect log)

Fix bisection: fixed by (bisect log) :
commit 7734a0f31e99c433df3063bbb7e8ee5a16a2cb82
Author: Alexander Lobakin <alexandr.lobakin@intel.com>
Date: Mon Jan 9 17:04:02 2023 +0000

  x86/boot: Robustify calling startup_{32,64}() from the decompressor code

similar bugs (12):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unexpected kernel reboot (5) C done 11545 642d 672d 0/24 closed as invalid on 2021/06/26 12:39
upstream unexpected kernel reboot (4) C unreliable 137 704d 715d 0/24 closed as invalid on 2021/04/27 13:31
upstream unexpected kernel reboot (6) 3 630d 639d 0/24 auto-closed as invalid on 2021/11/05 06:47
linux-4.4 unexpected kernel reboot 1 1396d 1396d 0/1 auto-closed as invalid on 2019/10/25 08:37
upstream unexpected kernel reboot (3) C error error 21132 719d 1720d 22/24 fixed on 2021/04/09 19:46
upstream unexpected kernel reboot C 983 1939d 1931d 0/24 closed as invalid on 2018/02/01 20:22
upstream unexpected kernel reboot (2) kernel C 2073 1725d 1815d 9/24 fixed on 2018/07/09 18:05
android-54 unexpected kernel reboot C 98 710d 838d 0/2 upstream: reported C repro on 2020/12/11 18:05
linux-4.14 unexpected kernel reboot C error 561 200d 1208d 0/1 upstream: reported C repro on 2019/12/08 04:18
linux-4.19 unexpected kernel reboot C done 684 620d 1396d 1/1 fixed on 2021/08/17 14:12
android-44 unexpected kernel reboot syz 282 1674d 1446d 0/2 public: reported syz repro on 2019/04/14 00:02
upstream unexpected kernel reboot (7) 3 358d 474d 0/24 auto-closed as invalid on 2022/07/05 15:06

Sample crash report:
fuseblk: Unknown parameter '                                                                Decompressing Linux... Parsing ELF... done.                                                                                     Booting the kernel.                                                                                                                                                                                                                                                             Decompressing Linux... Parsing ELF... done.                                                                                     Booting the kernel.

Crashes (15):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-smack-root 2022/11/26 06:38 upstream 0b1dcc2cf55a 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci-upstream-kasan-gce 2022/09/24 03:00 upstream 1707c39ae309 0042f2b4 .config strace log report syz C unexpected kernel reboot
ci2-upstream-fs 2022/09/24 02:51 upstream bf682942cd26 0042f2b4 .config console log report syz C [disk image] [vmlinux] unexpected kernel reboot
ci-upstream-kasan-gce-root 2022/09/24 02:44 upstream 1707c39ae309 0042f2b4 .config strace log report syz C [disk image] [vmlinux] unexpected kernel reboot
ci-upstream-kasan-gce-selinux-root 2022/09/24 02:20 upstream 1707c39ae309 0042f2b4 .config console log report syz C [disk image] [vmlinux] unexpected kernel reboot
ci-upstream-kasan-gce-selinux-root 2023/01/09 13:11 upstream 1fe4fd6f5cad 1dac8c7a .config strace log report syz C [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci2-upstream-fs 2022/12/25 06:45 upstream 72a85e2b0a1e 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci2-upstream-fs 2022/11/15 17:48 upstream e01d50cbd6ee 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci2-upstream-fs 2022/11/08 05:24 upstream 59f2f4b8a757 6feb842b .config console log report info [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci2-upstream-fs 2022/11/05 19:53 upstream b208b9fbbcba 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci2-upstream-fs 2022/11/04 16:17 upstream ee6050c8af96 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] unexpected kernel reboot
ci2-upstream-fs 2022/10/22 00:15 upstream 6d36c728bc2e 63e790dd .config console log report info [disk image] [vmlinux] unexpected kernel reboot
ci2-upstream-fs 2022/10/19 07:24 upstream 493ffd6605b2 b31320fc .config console log report info [disk image] [vmlinux] unexpected kernel reboot
ci2-upstream-fs 2022/10/17 07:20 upstream 493ffd6605b2 67cb024c .config console log report info [disk image] [vmlinux] unexpected kernel reboot
ci-upstream-kasan-gce-selinux-root 2022/09/24 01:54 upstream 1707c39ae309 0042f2b4 .config console log report info [disk image] [vmlinux] unexpected kernel reboot
* Struck through repros no longer work on HEAD.