Messages in this thread | | | Date | Mon, 24 Mar 2014 15:14:17 -0400 (EDT) | Subject | Re: [PATCH] ipv4: gre: Fix null pointer dereference in gre_cisco_err() | From | David Miller <> |
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From: Wei Zhang <asuka.com@163.com> Date: Mon, 24 Mar 2014 15:34:31 +0800
> When use the gre vport, openvswitch register a gre_cisco_protocol but > does not supply a err_handler with it. The gre_cisco_err() call the > err_handler without existence check, cause the kernel crash. > > This patch base on v3.14-rc7. But the bug affect all kernel newer than > 3.11! > > Signed-off-by: Wei Zhang <asuka.com@163.com>
Rather, openvswitch should provide an appropriate ->err_handler() that returns PACKET_RCVD or PACKET_REJECT.
I'm not applying this patch.
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