syzbot


unexpected kernel reboot

Status: auto-closed as invalid on 2019/10/25 08:37
Reported-by: syzbot+a100347d6173c580e49e@syzkaller.appspotmail.com
First crash: 1169d, last: 1169d
similar bugs (11):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unexpected kernel reboot (5) C done 11545 415d 445d 0/23 closed as invalid on 2021/06/26 12:39
upstream unexpected kernel reboot (4) C unreliable 137 477d 488d 0/23 closed as invalid on 2021/04/27 13:31
upstream unexpected kernel reboot (6) 3 403d 412d 0/23 auto-closed as invalid on 2021/11/05 06:47
upstream unexpected kernel reboot (3) C error error 21132 492d 1493d 22/23 fixed on 2021/04/09 19:46
upstream unexpected kernel reboot C 983 1712d 1704d 0/23 closed as invalid on 2018/02/01 20:22
upstream unexpected kernel reboot (2) C 2073 1497d 1587d 9/23 fixed on 2018/07/09 18:05
android-54 unexpected kernel reboot C 98 483d 611d 0/2 upstream: reported C repro on 2020/12/11 18:05
linux-4.14 unexpected kernel reboot C 561 2d19h 981d 0/1 upstream: reported C repro on 2019/12/08 04:18
linux-4.19 unexpected kernel reboot C done 684 393d 1169d 1/1 fixed on 2021/08/17 14:12
android-44 unexpected kernel reboot syz 282 1446d 1219d 0/2 public: reported syz repro on 2019/04/14 00:02
upstream unexpected kernel reboot (7) 3 130d 247d 0/23 auto-closed as invalid on 2022/07/05 15:06

Sample crash report:
input_len: 0x0000000000f74369
output: 0x0000000001000000
output_len: 0x00000000029e3ae0
run_size: 0x00000000038e7000
Decompressing Linux... Parsing ELF... done.
Booting the kernel.

INIT: version 2.88 booting
[info] Using makefile-style concurrent boot in runlevel S.
[....] Starting the hotplug events dispatcher: udevd[    7.626514] udevd[3298]: starting version 175
[?25l[?1c7[ ok 8[?25h[?0c.
[....] Synthesizing the initial hotplug events...[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Waiting for /dev to be fully populated...udevd[3330]: rename '/dev/v4l/by-path/platform-vivid.0-video-index3.udev-tmp' '/dev/v4l/by-path/platform-vivid.0-video-index3' failed: No such file or directory

[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Activating swap...[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Creating compatibility symlink from /etc/mtab to /proc/mounts. ...[?25l[?1c7[warn8[?25h[?0c (warning).
[....] Cleaning up temporary files...[   11.235518] find (4209) used greatest stack depth: 12552 bytes left
 /tmp[?25l[?1c7[ ok 8[?25h[?0c.
[....] Activating lvm and md swap...[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Checking file systems...fsck from util-linux 2.20.1
[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Mounting local filesystems...[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Activating swapfile swap...[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Cleaning up temporary files...[?25l[?1c7[ ok 8[?25h[?0c.
[....] Setting kernel variables ...sysctl: cannot stat /proc/sys/kernel/hung_task_check_interval_secs: No such file or directory
sysctl: cannot stat /proc/sys/net/core/bpf_jit_kallsyms: No such file or directory
sysctl: cannot stat /proc/sys/net/core/bpf_jit_harden: No such file or directory
[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Configuring network interfaces...[   12.865558] ip (5322) used greatest stack depth: 12056 bytes left
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/eth0/42:01:0a:80:00:af
Sending on   LPF/eth0/42:01:0a:80:00:af
Sending on   Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPOFFER from 169.254.169.254
DHCPACK from 169.254.169.254
bound to 10.128.0.175 -- renewal in 33620 seconds.
[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Cleaning up temporary files...[?25l[?1c7[ ok 8[?25h[?0c.

INIT: Entering runlevel: 2
[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0


Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-4 2019/06/02 20:48 linux-4.4.y 0f654c12cd72 53c81ea5 .config log report