On Fri, Jan 8, 2016 at 3:00 PM, Konstantin Khlebnikov <koc...@gmail.com> wrote: > Skb_gso_segment() uses skb control block during segmentation. > This patch adds 32-bytes room for previous control block which > will be copied into all resulting segments. > > This patch fixes kernel crash during fragmenting forwarded packets. > Fragmentation requires valid IP CB in skb for clearing ip options. > Also patch removes custom save/restore in ovs code, now it's redundant. > > Signed-off-by: Konstantin Khlebnikov <koc...@gmail.com> > Link: > http://lkml.kernel.org/r/CALYGNiP-0MZ-FExV2HutTvE9U-QQtkKSoE--KN=jqe5stys...@mail.gmail.com
This patch is alternative for [PATCH] net: prevent corruption of skb when using skb_gso_segment by Thadeu Lima de Souza Cascardo. This version have no stack allocations and no changes in code. It just shifts gso cb. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev