Merge tag 'net-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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

  No known outstanding regressions.

  Current release - regressions:

   - wifi: iwlwifi: fix hibernation

   - eth: ionic: prevent tx_timeout due to frequent doorbell ringing

  Previous releases - regressions:

   - sched: fix sch_fq incorrect behavior for small weights

   - wifi:
      - iwlwifi: take the mutex before running link selection
      - wfx: repair open network AP mode

   - netfilter: restore IP sanity checks for netdev/egress

   - tcp: fix forever orphan socket caused by tcp_abort

   - mptcp: close subflow when receiving TCP+FIN

   - bluetooth: fix random crash seen while removing btnxpuart driver

  Previous releases - always broken:

   - mptcp: more fixes for the in-kernel PM

   - eth: bonding: change ipsec_lock from spin lock to mutex

   - eth: mana: fix race of mana_hwc_post_rx_wqe and new hwc response

  Misc:

   - documentation: drop special comment style for net code"

* tag 'net-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
  nfc: pn533: Add poll mod list filling check
  mailmap: update entry for Sriram Yagnaraman
  selftests: mptcp: join: check re-re-adding ID 0 signal
  mptcp: pm: ADD_ADDR 0 is not a new address
  selftests: mptcp: join: validate event numbers
  mptcp: avoid duplicated SUB_CLOSED events
  selftests: mptcp: join: check re-re-adding ID 0 endp
  mptcp: pm: fix ID 0 endp usage after multiple re-creations
  mptcp: pm: do not remove already closed subflows
  selftests: mptcp: join: no extra msg if no counter
  selftests: mptcp: join: check re-adding init endp with != id
  mptcp: pm: reset MPC endp ID when re-added
  mptcp: pm: skip connecting to already established sf
  mptcp: pm: send ACK on an active subflow
  selftests: mptcp: join: check removing ID 0 endpoint
  mptcp: pm: fix RM_ADDR ID for the initial subflow
  mptcp: pm: reuse ID 0 after delete and re-add
  net: busy-poll: use ktime_get_ns() instead of local_clock()
  sctp: fix association labeling in the duplicate COOKIE-ECHO case
  mptcp: pr_debug: add missing \n at the end
  ...

2 files changed, 9 insertions, 6 deletions

diff --git a/include/net/netfilter/nf_tables_ipv4.h b/include/net/netfilter/nf_tables_ipv4.h
index 60a7d0ce3080..fcf967286e37 100644
--- a/include/net/netfilter/nf_tables_ipv4.h
+++ b/include/net/netfilter/nf_tables_ipv4.h
@@ -19,7 +19,7 @@ static inline void nft_set_pktinfo_ipv4(struct nft_pktinfo *pkt)
 static inline int __nft_set_pktinfo_ipv4_validate(struct nft_pktinfo *pkt)
 {
 	struct iphdr *iph, _iph;
-	u32 len, thoff;
+	u32 len, thoff, skb_len;
 
 	iph = skb_header_pointer(pkt->skb, skb_network_offset(pkt->skb),
 				 sizeof(*iph), &_iph);
@@ -30,8 +30,10 @@ static inline int __nft_set_pktinfo_ipv4_validate(struct nft_pktinfo *pkt)
 		return -1;
 
 	len = iph_totlen(pkt->skb, iph);
-	thoff = skb_network_offset(pkt->skb) + (iph->ihl * 4);
-	if (pkt->skb->len < len)
+	thoff = iph->ihl * 4;
+	skb_len = pkt->skb->len - skb_network_offset(pkt->skb);
+
+	if (skb_len < len)
 		return -1;
 	else if (len < thoff)
 		return -1;
@@ -40,7 +42,7 @@ static inline int __nft_set_pktinfo_ipv4_validate(struct nft_pktinfo *pkt)
 
 	pkt->flags = NFT_PKTINFO_L4PROTO;
 	pkt->tprot = iph->protocol;
-	pkt->thoff = thoff;
+	pkt->thoff = skb_network_offset(pkt->skb) + thoff;
 	pkt->fragoff = ntohs(iph->frag_off) & IP_OFFSET;
 
 	return 0;
diff --git a/include/net/netfilter/nf_tables_ipv6.h b/include/net/netfilter/nf_tables_ipv6.h
index 467d59b9e533..a0633eeaec97 100644
--- a/include/net/netfilter/nf_tables_ipv6.h
+++ b/include/net/netfilter/nf_tables_ipv6.h
@@ -31,8 +31,8 @@ static inline int __nft_set_pktinfo_ipv6_validate(struct nft_pktinfo *pkt)
 	struct ipv6hdr *ip6h, _ip6h;
 	unsigned int thoff = 0;
 	unsigned short frag_off;
+	u32 pkt_len, skb_len;
 	int protohdr;
-	u32 pkt_len;
 
 	ip6h = skb_header_pointer(pkt->skb, skb_network_offset(pkt->skb),
 				  sizeof(*ip6h), &_ip6h);
@@ -43,7 +43,8 @@ static inline int __nft_set_pktinfo_ipv6_validate(struct nft_pktinfo *pkt)
 		return -1;
 
 	pkt_len = ntohs(ip6h->payload_len);
-	if (pkt_len + sizeof(*ip6h) > pkt->skb->len)
+	skb_len = pkt->skb->len - skb_network_offset(pkt->skb);
+	if (pkt_len + sizeof(*ip6h) > skb_len)
 		return -1;
 
 	protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, &flags);