[ovs-dev] [PATCH net] openvswitch: packet messages need their own probe attribtue

David Miller davem at davemloft.net
Wed Jan 14 21:49:58 UTC 2015


From: Thomas Graf <tgraf at suug.ch>
Date: Wed, 14 Jan 2015 13:56:19 +0000

> User space is currently sending a OVS_FLOW_ATTR_PROBE for both flow
> and packet messages. This leads to an out-of-bounds access in
> ovs_packet_cmd_execute() because OVS_FLOW_ATTR_PROBE >
> OVS_PACKET_ATTR_MAX.
> 
> Introduce a new OVS_PACKET_ATTR_PROBE with the same numeric value
> as OVS_FLOW_ATTR_PROBE to grow the range of accepted packet attributes
> while maintaining to be binary compatible with existing OVS binaries.
> 
> Fixes: 05da589 ("openvswitch: Add support for OVS_FLOW_ATTR_PROBE.")
> Reported-by: Sander Eikelenboom <linux at eikelenboom.it>
> Tracked-down-by: Florian Westphal <fw at strlen.de>
> Signed-off-by: Thomas Graf <tgraf at suug.ch>

Applied, thanks.



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