lkml.org 
[lkml]   [2019]   [Jun]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
Subjectkernel panic: stack is corrupted in validate_chain
From
Hello,

syzbot found the following crash on:

HEAD commit: 249155c2 Merge branch 'parisc-5.2-4' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12a4572da00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9a31528e58cc12e2
dashboard link: https://syzkaller.appspot.com/bug?extid=6ba34346b252f2d497c7
compiler: clang version 9.0.0 (/home/glider/llvm/clang
80fee25776c2fb61e74c1ecb1a523375c2500b69)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=135e34eea00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+6ba34346b252f2d497c7@syzkaller.appspotmail.com

Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in:
validate_chain+0x69fc/0x84f0 kernel/locking/lockdep.c:161
CPU: 0 PID: 8300 Comm: syz-executor.4 Not tainted 5.2.0-rc6+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..


---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches

\
 
 \ /
  Last update: 2019-06-25 23:48    [W:0.074 / U:1.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site