From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 281C323BD17 for ; Thu, 20 Aug 2026 04:21:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787199702; cv=none; b=USktXg9JYntX7nVEjVZrNNxQbV5tJ/CH4mbiuTMTFzNtkMjQqoT2ia3o76wZNzTOP871IwYRclQpEIpsJm6z4dRGARd592hasZb6AlNq4L3/3j1Ppux6WSp5ULEF15Y7teyX4B+e644Ahg8R0/4+pKs1htNTr6F63e81ccydbiU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787199702; c=relaxed/simple; bh=lDwo0zlIsjJwRPcFIwSF+FjaAmoWyCj5KJ+xYO9Z7oI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IcKlTiNF3fnRtilR6L4GX8AudgvAtQ3xK1LZq1pqhQ6EcmywMmCw//kGxBjarCyaLJyTGKjb0tsiYs3fLNv26tFld1JXY0n31gmq/evIcDMzkAgsmLusCopCoyMhMzlmt3hyE4cguGg75TcbxlyZlXnwxbnClkmb/RYBqTOBQiQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e9pY4bKx; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e9pY4bKx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38B701F00A3F; Thu, 20 Aug 2026 04:21:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787199701; bh=GyISr73KJ+EH32SWJ8PpylvsC2Kn7VAOljoG5AOvhS8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=e9pY4bKx4XsvAzUNDBkYpETKcimEEigzlpaQFeO8BlJwV6OfOUy7M8uEzGeG29BoC MVmo6fa5iIU3v4qoqm5S5zrH7b27vbKzlLHzy+Hm/VuGKea1CT2wiarK8P6+bGWY+P BDfFkfW/SmmB7TEYK7ixFrsGU+y4GrdjkEIsyOoBN7I98ZU6Ft3bQwnL+pyAe22JCT BmTNG5JbpgdT3fWMYvoCbUlGl487vktrPP0Bp53aEx/nr8y58nQDVm1fVErRO3rI8/ 0K2YLZEl5/k2a3N+G27zNg9uRTaxDgMnBUna4nI+KnxCq0kGOiCIzhpARi5Vau9dFN 1dnNjmPdGoqMw== From: Sasha Levin To: stable@vger.kernel.org Cc: Xin Long , Simon Horman , Aaron Conole , Florian Westphal , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15.y 4/5] openvswitch: move key and ovs_cb update out of handle_fragments Date: Thu, 20 Aug 2026 00:21:34 -0400 Message-ID: <20260820042135.1376434-4-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260820042135.1376434-1-sashal@kernel.org> References: <2026081754-splendid-scabby-9156@gregkh> <20260820042135.1376434-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Xin Long [ Upstream commit 1b83bf4489cbc47d88976291cc967a17adb8e118 ] This patch has no functional changes and just moves key and ovs_cb update out of handle_fragments, and skb_clear_hash() and skb->ignore_df change into handle_fragments(), to make it easier to move the duplicate code from handle_fragments() into nf_conntrack_ovs later. Note that it changes to pass info->family to handle_fragments() instead of key for the packet type check, as info->family is set according to key->eth.type in ovs_ct_copy_action() when creating the action. Signed-off-by: Xin Long Reviewed-by: Simon Horman Reviewed-by: Aaron Conole Acked-by: Florian Westphal Signed-off-by: Jakub Kicinski Stable-dep-of: 8a7ed561671a ("net/sched: act_ct: fix sk_buff leak when the header checks reject a packet") Signed-off-by: Sasha Levin --- net/openvswitch/conntrack.c | 37 +++++++++++++++++++++++++------------ 1 file changed, 25 insertions(+), 12 deletions(-) diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index f401de5e8b386..747ba60afe0a7 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -494,13 +494,12 @@ static int ovs_ct_helper(struct sk_buff *skb, u16 proto) /* Returns 0 on success, -EINPROGRESS if 'skb' is stolen, or other nonzero * value if 'skb' is freed. */ -static int handle_fragments(struct net *net, struct sw_flow_key *key, - u16 zone, struct sk_buff *skb) +static int handle_fragments(struct net *net, struct sk_buff *skb, + u16 zone, u8 family, u8 *proto, u16 *mru) { - struct ovs_skb_cb ovs_cb = *OVS_CB(skb); int err; - if (key->eth.type == htons(ETH_P_IP)) { + if (family == NFPROTO_IPV4) { enum ip_defrag_users user = IP_DEFRAG_CONNTRACK_IN + zone; memset(IPCB(skb), 0, sizeof(struct inet_skb_parm)); @@ -508,9 +507,9 @@ static int handle_fragments(struct net *net, struct sw_flow_key *key, if (err) return err; - ovs_cb.mru = IPCB(skb)->frag_max_size; + *mru = IPCB(skb)->frag_max_size; #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) - } else if (key->eth.type == htons(ETH_P_IPV6)) { + } else if (family == NFPROTO_IPV6) { enum ip6_defrag_users user = IP6_DEFRAG_CONNTRACK_IN + zone; memset(IP6CB(skb), 0, sizeof(struct inet6_skb_parm)); @@ -521,22 +520,35 @@ static int handle_fragments(struct net *net, struct sw_flow_key *key, return err; } - key->ip.proto = ipv6_hdr(skb)->nexthdr; - ovs_cb.mru = IP6CB(skb)->frag_max_size; + *proto = ipv6_hdr(skb)->nexthdr; + *mru = IP6CB(skb)->frag_max_size; #endif } else { kfree_skb(skb); return -EPFNOSUPPORT; } + skb_clear_hash(skb); + skb->ignore_df = 1; + + return 0; +} + +static int ovs_ct_handle_fragments(struct net *net, struct sw_flow_key *key, + u16 zone, int family, struct sk_buff *skb) +{ + struct ovs_skb_cb ovs_cb = *OVS_CB(skb); + int err; + + err = handle_fragments(net, skb, zone, family, &key->ip.proto, &ovs_cb.mru); + if (err) + return err; + /* The key extracted from the fragment that completed this datagram * likely didn't have an L4 header, so regenerate it. */ ovs_flow_key_update_l3l4(skb, key); - key->ip.frag = OVS_FRAG_TYPE_NONE; - skb_clear_hash(skb); - skb->ignore_df = 1; *OVS_CB(skb) = ovs_cb; return 0; @@ -1311,7 +1323,8 @@ int ovs_ct_execute(struct net *net, struct sk_buff *skb, return err; if (key->ip.frag != OVS_FRAG_TYPE_NONE) { - err = handle_fragments(net, key, info->zone.id, skb); + err = ovs_ct_handle_fragments(net, key, info->zone.id, + info->family, skb); if (err) return err; } -- 2.53.0