Merge tag 'net-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from ieee802154, bluetooth and netfilter.

  Current release - regressions:

   - eth: mlx5: fix wrong reserved field in hca_cap_2 in mlx5_ifc

   - eth: am65-cpsw: fix forever loop in cleanup code

  Current release - new code bugs:

   - eth: mlx5: HWS, fixed double-free in error flow of creating SQ

  Previous releases - regressions:

   - core: avoid potential underflow in qdisc_pkt_len_init() with UFO

   - core: test for not too small csum_start in virtio_net_hdr_to_skb()

   - vrf: revert "vrf: remove unnecessary RCU-bh critical section"

   - bluetooth:
       - fix uaf in l2cap_connect
       - fix possible crash on mgmt_index_removed

   - dsa: improve shutdown sequence

   - eth: mlx5e: SHAMPO, fix overflow of hd_per_wq

   - eth: ip_gre: fix drops of small packets in ipgre_xmit

  Previous releases - always broken:

   - core: fix gso_features_check to check for both
     dev->gso_{ipv4_,}max_size

   - core: fix tcp fraglist segmentation after pull from frag_list

   - netfilter: nf_tables: prevent nf_skb_duplicated corruption

   - sctp: set sk_state back to CLOSED if autobind fails in
     sctp_listen_start

   - mac802154: fix potential RCU dereference issue in
     mac802154_scan_worker

   - eth: fec: restart PPS after link state change"

* tag 'net-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (48 commits)
  sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start
  dt-bindings: net: xlnx,axi-ethernet: Add missing reg minItems
  doc: net: napi: Update documentation for napi_schedule_irqoff
  net/ncsi: Disable the ncsi work before freeing the associated structure
  net: phy: qt2025: Fix warning: unused import DeviceId
  gso: fix udp gso fraglist segmentation after pull from frag_list
  bridge: mcast: Fail MDB get request on empty entry
  vrf: revert "vrf: Remove unnecessary RCU-bh critical section"
  net: ethernet: ti: am65-cpsw: Fix forever loop in cleanup code
  net: phy: realtek: Check the index value in led_hw_control_get
  ppp: do not assume bh is held in ppp_channel_bridge_input()
  selftests: rds: move include.sh to TEST_FILES
  net: test for not too small csum_start in virtio_net_hdr_to_skb()
  net: gso: fix tcp fraglist segmentation after pull from frag_list
  ipv4: ip_gre: Fix drops of small packets in ipgre_xmit
  net: stmmac: dwmac4: extend timeout for VLAN Tag register busy bit check
  net: add more sanity checks to qdisc_pkt_len_init()
  net: avoid potential underflow in qdisc_pkt_len_init() with UFO
  net: ethernet: ti: cpsw_ale: Fix warning on some platforms
  net: microchip: Make FDMA config symbol invisible
  ...

3 files changed, 22 insertions, 2 deletions

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 97f6de69f616..96d369112bfa 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -2138,7 +2138,7 @@ struct mlx5_ifc_cmd_hca_cap_2_bits {
 	u8	   ts_cqe_metadata_size2wqe_counter[0x5];
 	u8	   reserved_at_250[0x10];
 
-	u8	   reserved_at_260[0x120];
+	u8	   reserved_at_260[0x20];
 
 	u8	   format_select_dw_gtpu_dw_0[0x8];
 	u8	   format_select_dw_gtpu_dw_1[0x8];
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e87b5e488325..4d20c776a4ff 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -5029,6 +5029,24 @@ void netif_set_tso_max_segs(struct net_device *dev, unsigned int segs);
 void netif_inherit_tso_max(struct net_device *to,
 			   const struct net_device *from);
 
+static inline unsigned int
+netif_get_gro_max_size(const struct net_device *dev, const struct sk_buff *skb)
+{
+	/* pairs with WRITE_ONCE() in netif_set_gro(_ipv4)_max_size() */
+	return skb->protocol == htons(ETH_P_IPV6) ?
+	       READ_ONCE(dev->gro_max_size) :
+	       READ_ONCE(dev->gro_ipv4_max_size);
+}
+
+static inline unsigned int
+netif_get_gso_max_size(const struct net_device *dev, const struct sk_buff *skb)
+{
+	/* pairs with WRITE_ONCE() in netif_set_gso(_ipv4)_max_size() */
+	return skb->protocol == htons(ETH_P_IPV6) ?
+	       READ_ONCE(dev->gso_max_size) :
+	       READ_ONCE(dev->gso_ipv4_max_size);
+}
+
 static inline bool netif_is_macsec(const struct net_device *dev)
 {
 	return dev->priv_flags & IFF_MACSEC;
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 276ca543ef44..02a9f4dc594d 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -103,8 +103,10 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
 
 		if (!skb_partial_csum_set(skb, start, off))
 			return -EINVAL;
+		if (skb_transport_offset(skb) < nh_min_len)
+			return -EINVAL;
 
-		nh_min_len = max_t(u32, nh_min_len, skb_transport_offset(skb));
+		nh_min_len = skb_transport_offset(skb);
 		p_off = nh_min_len + thlen;
 		if (!pskb_may_pull(skb, p_off))
 			return -EINVAL;