From: syzbot <syzbot+e81cee75d9f3fe72ec33@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: WARNING: kernel stack frame pointer at (ptrval) in syzkaller has bad value (ptrval)
Date: Mon, 23 Apr 2018 03:10:01 -0700 [thread overview]
Message-ID: <000000000000ac17c0056a813dac@google.com> (raw)
Hello,
syzbot hit the following crash on upstream commit
5ec83b22a2dd13180762c89698e4e2c2881a423c (Sun Apr 22 19:13:04 2018 +0000)
Merge tag '4.17-rc1-SMB3-CIFS' of git://git.samba.org/sfrench/cifs-2.6
syzbot dashboard link:
https://syzkaller.appspot.com/bug?extid=e81cee75d9f3fe72ec33
C reproducer: https://syzkaller.appspot.com/x/repro.c?id=4545675937185792
syzkaller reproducer:
https://syzkaller.appspot.com/x/repro.syz?id=6597511200374784
Raw console output:
https://syzkaller.appspot.com/x/log.txt?id=4986591978192896
Kernel config:
https://syzkaller.appspot.com/x/.config?id=1808800213120130118
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e81cee75d9f3fe72ec33@syzkaller.appspotmail.com
It will help syzbot understand when the bug is fixed. See footer for
details.
If you forward the report, please keep this part and the footer.
(ptrval): 000000000043fe19 (0x43fe19)
(ptrval): 0000000000000033 (0x33)
(ptrval): 0000000000000216 (0x216)
(ptrval): 00007ffd01ce4bd8 (0x7ffd01ce4bd8)
(ptrval): 000000000000002b (0x2b)
WARNING: kernel stack frame pointer at (ptrval) in
syzkaller601944:4492 has bad value (ptrval)
WARNING: kernel stack regs at (ptrval) in syzkaller601944:4492 has
bad 'bp' value (ptrval)
---
This bug is generated by a dumb bot. It may contain errors.
See https://goo.gl/tpsmEJ for details.
Direct all questions to syzkaller@googlegroups.com.
syzbot will keep track of this bug report.
If you forgot to add the Reported-by tag, once the fix for this bug is
merged
into any tree, please reply to this email with:
#syz fix: exact-commit-title
If you want to test a patch for this bug, please reply with:
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and provide the patch inline or as an attachment.
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next reply other threads:[~2018-04-23 10:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-23 10:10 syzbot [this message]
2018-04-23 10:56 ` WARNING: kernel stack frame pointer at (ptrval) in syzkaller has bad value (ptrval) Dmitry Vyukov
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