From: Eric Biggers <ebiggers@kernel.org>
To: bpf@vger.kernel.org
Cc: syzbot <syzbot+a861f52659ae2596492b@syzkaller.appspotmail.com>,
LKML <linux-kernel@vger.kernel.org>,
syzkaller-bugs@googlegroups.com,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Subject: [net/bpf] Re: WARNING in mark_lock
Date: Tue, 25 Jun 2019 00:29:42 -0700 [thread overview]
Message-ID: <20190625072942.GB30940@sol.localdomain> (raw)
In-Reply-To: <alpine.DEB.2.21.1906250820060.32342@nanos.tec.linutronix.de>
[+bpf list]
On Tue, Jun 25, 2019 at 08:20:56AM +0200, Thomas Gleixner wrote:
> On Mon, 24 Jun 2019, syzbot wrote:
>
> > Hello,
>
> CC++ Peterz
>
> >
> > syzbot found the following crash on:
> >
> > HEAD commit: dc636f5d Add linux-next specific files for 20190620
> > git tree: linux-next
> > console output: https://syzkaller.appspot.com/x/log.txt?x=162b68b1a00000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=99c104b0092a557b
> > dashboard link: https://syzkaller.appspot.com/bug?extid=a861f52659ae2596492b
> > compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=110b24f6a00000
> >
> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > Reported-by: syzbot+a861f52659ae2596492b@syzkaller.appspotmail.com
The syz repro looks bpf related, and essentially the same repro is in lots of
other open syzbot reports which I've assigned to the bpf subsystem...
https://lore.kernel.org/lkml/20190624050114.GA30702@sol.localdomain/
{"threaded":true,"repeat":true,"procs":6,"sandbox":"none","fault_call":-1,"tun":true,"netdev":true,"resetnet":true,"cgroups":true,"binfmt_misc":true,"close_fds":true,"tmpdir":true,"segv":true}
bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0xf, 0x4, 0x4, 0x400, 0x0, 0x1}, 0x3c)
socket$rxrpc(0x21, 0x2, 0x800000000a)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x1d4)
connect$inet6(r0, &(0x7f0000000140), 0x1c)
bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x5}, 0xfffffffffffffdcb)
bpf$MAP_CREATE(0x2, &(0x7f0000003000)={0x3, 0x0, 0x77fffb, 0x0, 0x10020000000, 0x0}, 0x2c)
setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x4)
next prev parent reply other threads:[~2019-06-25 7:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 1:37 syzbot
2019-06-25 6:20 ` Thomas Gleixner
2019-06-25 7:29 ` Eric Biggers [this message]
2019-07-01 5:32 ` [net/bpf] " John Fastabend
2019-07-01 5:51 ` syzbot
2019-07-08 16:21 ` John Fastabend
2019-07-08 22:03 ` syzbot
2019-06-25 11:03 ` Peter Zijlstra
2019-06-25 11:06 ` Peter Zijlstra
2019-06-25 12:07 ` Dmitry Vyukov
2019-06-25 14:01 ` Peter Zijlstra
2019-06-25 14:10 ` Dmitry Vyukov
2019-06-27 22:03 ` syzbot
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=20190625072942.GB30940@sol.localdomain \
--to=ebiggers@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=syzbot+a861f52659ae2596492b@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
--cc=tglx@linutronix.de \
/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
all inboxes | Powered by JetHome®