From: syzbot <syzbot+4ad25edc7a33e4ab91e0@syzkaller.appspotmail.com>
To: davem@davemloft.net, kuznet@ms2.inr.ac.ru,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org
Subject: kernel panic: stack is corrupted in udp4_lib_lookup2
Date: Thu, 03 Jan 2019 05:07:03 -0800 [thread overview]
Message-ID: <000000000000513fb7057e8d7013@google.com> (raw)
Hello,
syzbot found the following crash on:
HEAD commit: 195303136f19 Merge tag 'kconfig-v4.21-2' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12245d8f400000
kernel config: https://syzkaller.appspot.com/x/.config?x=5e7dc790609552d7
dashboard link: https://syzkaller.appspot.com/bug?extid=4ad25edc7a33e4ab91e0
compiler: gcc (GCC) 8.0.1 20180413 (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+4ad25edc7a33e4ab91e0@syzkaller.appspotmail.com
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
FAT-fs (loop0): invalid media value (0x00)
FAT-fs (loop0): Can't find a valid FAT filesystem
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in:
udp4_lib_lookup2+0x7ea/0x7f0 net/ipv4/udp.c:455
CPU: 1 PID: 17960 Comm: syz-executor2 Not tainted 4.20.0+ #176
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:
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syzbot.
next reply other threads:[~2019-01-03 13:07 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-03 13:07 syzbot [this message]
2019-01-03 19:39 ` kernel panic: stack is corrupted in udp4_lib_lookup2 Willem de Bruijn
2019-01-03 19:41 ` Willem de Bruijn
2019-01-03 20:00 ` Stefano Brivio
2019-01-03 20:01 ` Eric Dumazet
2019-01-03 20:07 ` Stefano Brivio
2019-01-03 21:15 ` Willem de Bruijn
2019-01-03 21:54 ` Stefano Brivio
2019-01-04 10:32 ` Dmitry Vyukov
2019-01-04 10:34 ` Dmitry Vyukov
2019-01-04 10:54 ` Stefano Brivio
2019-01-04 11:05 ` Dmitry Vyukov
2019-01-04 17:14 ` Stefano Brivio
2019-01-04 17:24 ` Willem de Bruijn
2019-01-04 17:50 ` Stefano Brivio
2019-01-04 17:26 ` Dmitry Vyukov
2019-01-04 18:05 ` Stefano Brivio
2019-01-07 9:04 ` Dmitry Vyukov
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