Re: [PATCH 0/2] fix kernel crash with macvtap on top of LRO
From: Ben Hutchings <hidden>
Date: 2013-02-06 23:35:12
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On Thu, 2013-02-07 at 01:02 +0200, Michael S. Tsirkin wrote:
At the moment, macvtap crashes are observed if macvtap is attached to an interface with LRO enabled. The crash in question is BUG() in macvtap_skb_to_vnet_hdr. This happens because several drivers set gso_size but not gso_type in incoming skbs. The following patches fix this for Additionally, cbf1de72324a8105ddcc3d9ce9acbc613faea17e is required to fix this for broadcom - would it make sense to cherry-pick this patch into 3.8? I tested that the patch fixes the crash for ixgbe but don't have qlogic hardware to fix. I also only tested TCP. Feedback wellcome.
If we want to allow forwarding from LRO then net/ipv4/inet_lro.c also needs to set gso_type. Ben. -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired