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From: syzbot <syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: kernel panic: stack is corrupted in __lock_acquire (4)
Date: Mon, 10 Jun 2019 01:54:06 -0700	[thread overview]
Message-ID: <0000000000009b3b80058af452ae@google.com> (raw)

Hello,

syzbot found the following crash on:

HEAD commit:    fdf71426 net: fix indirect calls helpers for ptype list ho..
git tree:       net
console output: https://syzkaller.appspot.com/x/log.txt?x=1199f551a00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4f721a391cd46ea
dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com

Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in:  
__lock_acquire+0x3959/0x5490 kernel/locking/lockdep.c:3820
CPU: 1 PID: 11196 Comm: syz-executor.0 Not tainted 5.2.0-rc2+ #41
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS  
Google 01/01/2011
Call Trace:
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.

             reply	other threads:[~2019-06-10  8:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-10  8:54 syzbot [this message]
2019-09-01 22:48 ` kernel panic: stack is corrupted in __lock_acquire (4) syzbot
2019-09-02  3:23   ` Dmitry Vyukov
2019-10-17 16:25     ` Eric Biggers
2019-10-17 16:30       ` Eric Biggers
2019-11-19  5:29         ` Eric Biggers
2019-11-19  5:46           ` John Fastabend

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