{"id":2231560,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2231560/?format=json","web_url":"http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260430202547.274256-4-pablo@netfilter.org/","project":{"id":26,"url":"http://patchwork.ozlabs.org/api/1.1/projects/26/?format=json","name":"Netfilter Development","link_name":"netfilter-devel","list_id":"netfilter-devel.vger.kernel.org","list_email":"netfilter-devel@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260430202547.274256-4-pablo@netfilter.org>","date":"2026-04-30T20:25:47","name":"[nf,v6,4/4] netfilter: flowtable: call skb_postpull_rcsum() after popping vlan header","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"69653e24ce2c29c185943ed622a1e8c1bf03b0e7","submitter":{"id":1315,"url":"http://patchwork.ozlabs.org/api/1.1/people/1315/?format=json","name":"Pablo Neira Ayuso","email":"pablo@netfilter.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260430202547.274256-4-pablo@netfilter.org/mbox/","series":[{"id":502378,"url":"http://patchwork.ozlabs.org/api/1.1/series/502378/?format=json","web_url":"http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=502378","date":"2026-04-30T20:25:46","name":"[nf,v6,1/4] netfilter: flowtable: ensure sufficient headroom in xmit path","version":6,"mbox":"http://patchwork.ozlabs.org/series/502378/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231560/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231560/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","netfilter-devel@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=netfilter.org header.i=@netfilter.org\n header.a=rsa-sha256 header.s=2025 header.b=jIYzDXfK;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=104.64.211.4; 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t=1777580757; c=relaxed/simple;\n\tbh=8h+cRN5Xtws4ryEYUVG7313Jg75pB84ccAaO7ItDQj0=;\n\th=From:To:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=mgWsDa8TMPDbqA6o7w3yWSjKqWA9mCJ5bWoqdNtZ/DnTccrrjj8gDddKPfmwDSU7nyKhwofEK0Q/GFB4bCtVNPUR2ToEt/6CaC8YpuF2vztbhHo/pcBwCOm46hahy/MsUnYUbHg96I3pGgI5tB7fdra7ugVmIrLIev35humuaJ4=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=netfilter.org;\n spf=pass smtp.mailfrom=netfilter.org;\n dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org\n header.b=jIYzDXfK; arc=none smtp.client-ip=217.70.190.124","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org;\n\ts=2025; t=1777580754;\n\tbh=f2ul8dcnRvRSpXba3ePxwEyY3DqG3eemg9bi82KzMLI=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=jIYzDXfKluJecFgQuDj7Ynwgxe3oUX56+tFf5d0tYzaDY0P02TfJ9r0f7dUxmkH/u\n\t jB6KG6O+nFapqn1pNPoU8GReUurlSo0kAGRNmysFzSe+J46yEmImYZ8NliVMnaIvCq\n\t gb9rImr6ketRvBaqcgC6qWf29zXxAzPnjfdPpJKXgUcsiui/PZjFrbNavBVxSIjbDE\n\t GjTyJw8MmKwX9fceSiJIvmUrRgA7CAFUdu6As1JRd+txaP1BbxEwBJey6nuzOrsqnQ\n\t 0YV6kgWeoQBBKQgHkynRteVkNadaG04kGfqw91cDX4RtciNmGdFFbT0E/1lLPakhjz\n\t EG3+MkcFaMTeA==","From":"Pablo Neira Ayuso ","To":"netfilter-devel@vger.kernel.org","Subject":"[PATCH nf,v6 4/4] netfilter: flowtable: call skb_postpull_rcsum()\n after popping vlan header","Date":"Thu, 30 Apr 2026 22:25:47 +0200","Message-ID":"<20260430202547.274256-4-pablo@netfilter.org>","X-Mailer":"git-send-email 2.47.3","In-Reply-To":"<20260430202547.274256-1-pablo@netfilter.org>","References":"<20260430202547.274256-1-pablo@netfilter.org>","Precedence":"bulk","X-Mailing-List":"netfilter-devel@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"Adjust checksum, if required, after removing the inner vlan tag in\ndouble-tagged vlan packets.\n\nFixes: 4cd91f7c290f (\"netfilter: flowtable: add vlan support\")\nSigned-off-by: Pablo Neira Ayuso \n---\nv6: new in this series, add skb_postpull_rcsum() to vlan decapsulation path.\n\n net/netfilter/nf_flow_table_ip.c | 1 +\n 1 file changed, 1 insertion(+)","diff":"diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c\nindex 2eba64eb393a..238ed3d7d73a 100644\n--- a/net/netfilter/nf_flow_table_ip.c\n+++ b/net/netfilter/nf_flow_table_ip.c\n@@ -444,6 +444,7 @@ static void nf_flow_encap_pop(struct nf_flowtable_ctx *ctx,\n \t\t}\n \t\tswitch (skb->protocol) {\n \t\tcase htons(ETH_P_8021Q):\n+\t\t\tskb_postpull_rcsum(skb, skb->data, VLAN_HLEN);\n \t\t\tvlan_hdr = (struct vlan_hdr *)skb->data;\n \t\t\t__skb_pull(skb, VLAN_HLEN);\n \t\t\tvlan_set_encap_proto(skb, vlan_hdr);\n","prefixes":["nf","v6","4/4"]}