From: "Martin J. Bligh" <mbligh@aracnet.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: michal-bugzilla@logix.cz
Subject: [Bug 1130] New: GRE tunnels freeze kernel
Date: Thu, 21 Aug 2003 08:06:11 -0700 [thread overview]
Message-ID: <6570000.1061478371@[10.10.2.4]> (raw)
http://bugme.osdl.org/show_bug.cgi?id=1130
Summary: GRE tunnels freeze kernel
Kernel Version: 2.6.0-test2, 2.6.0-test3
Status: NEW
Severity: high
Owner: bugme-janitors@lists.osdl.org
Submitter: michal-bugzilla@logix.cz
Distribution: SuSE Linux 8.2
Hardware Environment: x86
Software Environment: gcc-3.3 used to compile kernel.
Problem Description:
Incoming packet to the GRE tunnel interface freezes the kernel.
Steps to reproduce:
On a 2.6.0-test system create a tunnel for instance with these steps:
On 10.0.0.1:
modprobe ip_gre
ip tunnel add gre1 mode gre local 10.0.0.1 remote 10.0.0.2 ttl 64
ip link set gre1 up
ip addr add 172.16.0.1/24 dev gre1
On a non-2.6.0 10.0.0.2:
modprobe ip_gre
ip tunnel add gre1 mode gre local 10.0.0.2 remote 10.0.0.1 ttl 64
ip link set gre1 up
ip addr add 172.16.0.2/24 dev gre1
Now ping the 2.6.0 system:
ping -c1 172.16.0.1
Upon receiving the packet the box foreezes. No Oops but neither <Alt>+<F>
console switching nor NumLock worked anymore. (Don't know about SysRq).
reply other threads:[~2003-08-21 15:06 UTC|newest]
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