From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com>,
David Miller <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
LKML <linux-kernel@vger.kernel.org>,
linux-sctp@vger.kernel.org, Xin Long <lucien.xin@gmail.com>,
mvohra@vmware.com, netdev <netdev@vger.kernel.org>,
Neil Horman <nhorman@tuxdriver.com>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
William Tu <u9012063@gmail.com>,
Vladislav Yasevich <vyasevich@gmail.com>,
websitedesignservices4u@gmail.com,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Subject: Re: kernel BUG at net/core/skbuff.c:LINE! (3)
Date: Mon, 02 Dec 2019 18:39:12 +0000 [thread overview]
Message-ID: <20191202183912.GC377783@localhost.localdomain> (raw)
In-Reply-To: <CACT4Y+Yrg8JxWABi4CJgBG7GpBSCmT0DHr_eZhQA-ikLH-X5Yw@mail.gmail.com>
On Sat, Nov 30, 2019 at 04:37:56PM +0100, Dmitry Vyukov wrote:
> On Sat, Nov 30, 2019 at 3:50 PM syzbot
> <syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com> wrote:
> >
> > syzbot has bisected this bug to:
> >
> > commit 84e54fe0a5eaed696dee4019c396f8396f5a908b
> > Author: William Tu <u9012063@gmail.com>
> > Date: Tue Aug 22 16:40:28 2017 +0000
> >
> > gre: introduce native tunnel support for ERSPAN
> >
> > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x\x158a2f86e00000
> > start commit: f9f1e414 Merge tag 'for-linus-4.16-rc1-tag' of git://git.k..
> > git tree: upstream
> > final crash: https://syzkaller.appspot.com/x/report.txt?x\x178a2f86e00000
> > console output: https://syzkaller.appspot.com/x/log.txt?x\x138a2f86e00000
> > kernel config: https://syzkaller.appspot.com/x/.config?x4a80ee1ac29767b
> > dashboard link: https://syzkaller.appspot.com/bug?extid²bf2652983d23734c5c
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x\x147bfebd800000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x\x13d8d543800000
> >
> > Reported-by: syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com
> > Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN")
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> Humm... the repro contains syz_emit_ethernet, wonder if it's
> remote-triggerable...
The call trace is still from the tx path. Packet never left the system
in this case.
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com>,
David Miller <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
LKML <linux-kernel@vger.kernel.org>,
linux-sctp@vger.kernel.org, Xin Long <lucien.xin@gmail.com>,
mvohra@vmware.com, netdev <netdev@vger.kernel.org>,
Neil Horman <nhorman@tuxdriver.com>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
William Tu <u9012063@gmail.com>,
Vladislav Yasevich <vyasevich@gmail.com>,
websitedesignservices4u@gmail.com,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Subject: Re: kernel BUG at net/core/skbuff.c:LINE! (3)
Date: Mon, 2 Dec 2019 15:39:12 -0300 [thread overview]
Message-ID: <20191202183912.GC377783@localhost.localdomain> (raw)
In-Reply-To: <CACT4Y+Yrg8JxWABi4CJgBG7GpBSCmT0DHr_eZhQA-ikLH-X5Yw@mail.gmail.com>
On Sat, Nov 30, 2019 at 04:37:56PM +0100, Dmitry Vyukov wrote:
> On Sat, Nov 30, 2019 at 3:50 PM syzbot
> <syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com> wrote:
> >
> > syzbot has bisected this bug to:
> >
> > commit 84e54fe0a5eaed696dee4019c396f8396f5a908b
> > Author: William Tu <u9012063@gmail.com>
> > Date: Tue Aug 22 16:40:28 2017 +0000
> >
> > gre: introduce native tunnel support for ERSPAN
> >
> > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=158a2f86e00000
> > start commit: f9f1e414 Merge tag 'for-linus-4.16-rc1-tag' of git://git.k..
> > git tree: upstream
> > final crash: https://syzkaller.appspot.com/x/report.txt?x=178a2f86e00000
> > console output: https://syzkaller.appspot.com/x/log.txt?x=138a2f86e00000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=34a80ee1ac29767b
> > dashboard link: https://syzkaller.appspot.com/bug?extid=b2bf2652983d23734c5c
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147bfebd800000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d8d543800000
> >
> > Reported-by: syzbot+b2bf2652983d23734c5c@syzkaller.appspotmail.com
> > Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN")
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> Humm... the repro contains syz_emit_ethernet, wonder if it's
> remote-triggerable...
The call trace is still from the tx path. Packet never left the system
in this case.
next prev parent reply other threads:[~2019-12-02 18:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-01 19:21 kernel BUG at net/core/skbuff.c:LINE! (3) syzbot
2018-02-10 5:23 ` syzbot
2018-02-10 11:17 ` Xin Long
2018-02-10 11:17 ` Xin Long
2018-05-10 9:51 ` Dmitry Vyukov
2018-05-10 9:51 ` Dmitry Vyukov
2019-11-30 14:50 ` syzbot
2019-11-30 14:50 ` syzbot
2019-11-30 15:37 ` Dmitry Vyukov
2019-11-30 15:37 ` Dmitry Vyukov
2019-12-02 18:39 ` Marcelo Ricardo Leitner [this message]
2019-12-02 18:39 ` Marcelo Ricardo Leitner
2019-12-03 8:42 ` Dmitry Vyukov
2019-12-03 8:42 ` Dmitry Vyukov
2019-12-03 11:56 ` Neil Horman
2019-12-03 11:56 ` Neil Horman
2019-12-04 8:52 ` Dmitry Vyukov
2019-12-04 8:52 ` Dmitry Vyukov
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