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Date: Sat, 18 Oct 2014 13:07:36 -0400 (EDT) From: David Miller <davem@...emloft.net> To: roy.qing.li@...il.com Cc: netdev@...r.kernel.org, weichunc@...mgrid.com Subject: Re: [PATCH] ipv4: fix a potential use after free in gre_offload.c From: roy.qing.li@...il.com Date: Sat, 18 Oct 2014 17:26:04 +0800 > From: Li RongQing <roy.qing.li@...il.com> > > pskb_may_pull() may change skb->data and make greh pointer oboslete; > so need to reassign greh; > but since first calling pskb_may_pull already ensured that skb->data > has enough space for greh, so move the reference of greh before second > calling pskb_may_pull(), to avoid reassign greh. > > Fixes: 7a7ffbabf9("ipv4: fix tunneled VM traffic over hw VXLAN/GRE GSO NIC") > Cc: Wei-Chun Chao <weichunc@...mgrid.com> > Signed-off-by: Li RongQing <roy.qing.li@...il.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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