LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: syzbot <syzbot+e073e4740cfbb3ae200b@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: WARNING: kernel stack regs at (ptrval) in syzkaller has bad 'bp' value (ptrval)
Date: Mon, 23 Apr 2018 03:10:01 -0700 [thread overview]
Message-ID: <000000000000af09f3056a813d2d@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=e073e4740cfbb3ae200b
C reproducer: https://syzkaller.appspot.com/x/repro.c?id=6509307940044800
syzkaller reproducer:
https://syzkaller.appspot.com/x/repro.syz?id=6027105183727616
Raw console output:
https://syzkaller.appspot.com/x/log.txt?id=4763013630394368
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+e073e4740cfbb3ae200b@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): 0000000000445649 (0x445649)
(ptrval): 0000000000000033 (0x33)
(ptrval): 0000000000000216 (0x216)
(ptrval): 00007f155536eda8 (0x7f155536eda8)
(ptrval): 000000000000002b (0x2b)
WARNING: kernel stack regs at (ptrval) in syzkaller547737:4493 has
bad 'bp' value (ptrval)
WARNING: kernel stack frame pointer at (ptrval) in
syzkaller547737:4496 has bad 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:
#syz test: git://repo/address.git branch
and provide the patch inline or as an attachment.
To mark this as a duplicate of another syzbot report, please reply with:
#syz dup: exact-subject-of-another-report
If it's a one-off invalid bug report, please reply with:
#syz invalid
Note: if the crash happens again, it will cause creation of a new bug
report.
Note: all commands must start from beginning of the line in the email body.
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 10:59 ` WARNING: kernel stack regs at (ptrval) in syzkaller has bad 'bp' value (ptrval) Dmitry Vyukov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=000000000000af09f3056a813d2d@google.com \
--to=syzbot+e073e4740cfbb3ae200b@syzkaller.appspotmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).