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linux/net/ipv4
History
Oscar Maes 5189446ba9 net: ipv4: fix regression in local-broadcast routes 
Commit 9e30ecf23b ("net: ipv4: fix incorrect MTU in broadcast routes")
introduced a regression where local-broadcast packets would have their
gateway set in __mkroute_output, which was caused by fi = NULL being
removed.

Fix this by resetting the fib_info for local-broadcast packets. This
preserves the intended changes for directed-broadcast packets.

Cc: stable@vger.kernel.org
Fixes: 9e30ecf23b ("net: ipv4: fix incorrect MTU in broadcast routes")
Reported-by: Brett A C Sheffield <bacs@librecast.net>
Closes: https://lore.kernel.org/regressions/20250822165231.4353-4-bacs@librecast.net
Signed-off-by: Oscar Maes <oscmaes92@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250827062322.4807-1-oscmaes92@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-08-28 10:52:30 +02:00
..
netfilter netfilter: nf_reject: don't leak dst refcount for loopback packets 2025-08-21 10:02:00 -07:00
af_inet.c net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
ah4.c net: fill in MODULE_DESCRIPTION()s for ipv4 modules 2024-02-09 14:12:02 -08:00
arp.c neighbour: Update pneigh_entry in pneigh_create(). 2025-07-17 16:25:22 -07:00
bpf_tcp_ca.c tcp: Pass flags to __tcp_send_ack 2025-03-17 13:56:38 +00:00
cipso_ipv4.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
datagram.c net: dst: annotate data-races around dst->obsolete 2025-07-02 14:32:29 -07:00
devinet.c ipv4: Use nlmsg_payload in devinet file 2025-04-16 18:33:02 -07:00
esp4_offload.c xfrm: Add an inbound percpu state cache. 2024-10-29 11:56:18 +01:00
esp4.c espintcp: remove encap socket caching to avoid reference leak 2025-04-14 11:59:17 +02:00
fib_frontend.c net: s/dev_get_flags/netif_get_flags/ 2025-07-18 17:27:47 -07:00
fib_lookup.h
fib_notifier.c net: do not acquire rtnl in fib_seq_sum() 2024-10-11 15:35:05 -07:00
fib_rules.c ipv4: fib_rules: Add DSCP mask matching 2025-02-21 16:08:47 -08:00
fib_semantics.c net: s/dev_get_flags/netif_get_flags/ 2025-07-18 17:27:47 -07:00
fib_trie.c ipv4: fib: Move fib_valid_key_len() to rtm_to_fib_config(). 2025-03-03 15:04:11 -08:00
fou_bpf.c ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
fou_core.c fou: fix initialization of grc 2024-09-09 17:21:47 -07:00
fou_nl.c tools: ynl-gen: use big-endian netlink attribute types 2024-10-22 15:33:24 +02:00
fou_nl.h
gre_demux.c net: ip_gre: Fix spelling mistake "demultiplexor" -> "demultiplexer" 2025-04-24 18:20:40 -07:00
gre_offload.c net: gro: rename skb_gro_header_hard() 2024-03-05 13:30:11 +01:00
icmp.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
igmp_internal.h netlink: support dumping IPv4 multicast addresses 2025-02-11 11:26:53 +01:00
igmp.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
inet_connection_sock.c tcp: remove inet_rtx_syn_ack() 2025-06-27 15:34:19 -07:00
inet_diag.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
inet_fragment.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
inet_hashtables.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
inet_timewait_sock.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
inetpeer.c inetpeer: use EXPORT_IPV6_MOD[_GPL]() 2025-02-14 13:09:39 -08:00
ip_forward.c
ip_fragment.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
ip_gre.c ipv4: ip_tunnel: Convert ip_tunnel_delete_nets() callers to ->exit_rtnl(). 2025-04-14 17:08:42 -07:00
ip_input.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-04 08:03:18 +02:00
ip_options.c net: ip: make ip_route_input() return drop reasons 2024-11-12 11:24:51 +01:00
ip_output.c net: Add locking to protect skb->dev access in ip_output 2025-08-01 15:17:52 -07:00
ip_sockglue.c Networking changes for 6.14. 2025-01-22 08:28:57 -08:00
ip_tunnel_core.c net: ipv4: Add a flags argument to iptunnel_xmit(), udp_tunnel_xmit_skb() 2025-06-17 18:18:44 -07:00
ip_tunnel.c net: ipv4: Add a flags argument to iptunnel_xmit(), udp_tunnel_xmit_skb() 2025-06-17 18:18:44 -07:00
ip_vti.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
ipcomp.c xfrm: delete x->tunnel as we delete x 2025-07-08 13:28:27 +02:00
ipconfig.c net: ipconfig: convert timeouts to secs_to_jiffies() 2025-07-09 19:25:01 -07:00
ipip.c ipv4: ip_tunnel: Convert ip_tunnel_delete_nets() callers to ->exit_rtnl(). 2025-04-14 17:08:42 -07:00
ipmr_base.c ipmr: do not call mr_mfc_uses_dev() for unres entries 2025-01-23 07:08:13 -08:00
ipmr.c net: s/dev_get_port_parent_id/netif_get_port_parent_id/ 2025-07-18 17:27:46 -07:00
Kconfig net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
Makefile bpfilter: remove bpfilter 2024-01-04 10:23:10 -08:00
metrics.c net: remove NULL-pointer net parameter in ip_metrics_convert 2024-06-05 10:06:00 +01:00
netfilter.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
netlink.c
nexthop.c net: s/dev_get_flags/netif_get_flags/ 2025-07-18 17:27:47 -07:00
ping.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
proc.c tcp: add LINUX_MIB_BEYOND_WINDOW 2025-07-14 18:41:42 -07:00
protocol.c
raw_diag.c inet_diag: add module pointer to "struct inet_diag_handler" 2024-01-23 15:13:54 +01:00
raw.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
route.c net: ipv4: fix regression in local-broadcast routes 2025-08-28 10:52:30 +02:00
syncookies.c net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
sysctl_net_ipv4.c tcp: add tcp_rto_max_ms sysctl 2025-02-11 13:08:00 +01:00
tcp_ao.c net/tcp: Add missing lockdep annotations for TCP-AO hlist traversals 2024-11-03 12:10:11 -08:00
tcp_bbr.c tcp: Add new args for cong_control in tcp_congestion_ops 2024-05-02 16:26:56 -07:00
tcp_bic.c
tcp_bpf.c bpf: Fix wrong copied_seq calculation 2025-01-29 13:32:23 -08:00
tcp_cdg.c
tcp_cong.c tcp: only release congestion control if it has been initialized 2024-10-31 18:22:48 -07:00
tcp_cubic.c tcp_cubic: fix incorrect HyStart round start detection 2025-01-20 12:26:41 +00:00
tcp_dctcp.c tcp: helpers for ECN mode handling 2025-03-17 13:54:11 +00:00
tcp_dctcp.h tcp: Pass flags to __tcp_send_ack 2025-03-17 13:56:38 +00:00
tcp_diag.c tcp: ulp: diag: more info without CAP_NET_ADMIN 2025-03-07 19:39:53 -08:00
tcp_fastopen.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
tcp_highspeed.c
tcp_htcp.c tcp: Use clamp() in htcp_alpha_update() 2024-08-06 12:16:25 -07:00
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: do not increment BeyondWindow MIB for old seq 2025-07-22 18:21:15 -07:00
tcp_ipv4.c net: track pfmemalloc drops via SKB_DROP_REASON_PFMEMALLOC 2025-07-18 16:59:05 -07:00
tcp_lp.c
tcp_metrics.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
tcp_minisocks.c tcp: remove inet_rtx_syn_ack() 2025-06-27 15:34:19 -07:00
tcp_nv.c
tcp_offload.c net: fix segmentation after TCP/UDP fraglist GRO 2025-07-17 10:01:02 +02:00
tcp_output.c tcp: trace retransmit failures in tcp_retransmit_skb 2025-07-22 18:19:11 -07:00
tcp_plb.c
tcp_rate.c
tcp_recovery.c tcp: update the outdated ref draft-ietf-tcpm-rack 2025-07-08 09:01:52 -07:00
tcp_scalable.c
tcp_sigpool.c net/tcp_sigpool: Use nested-BH locking for sigpool_scratch. 2024-06-24 16:41:22 -07:00
tcp_timer.c tcp: remove inet_rtx_syn_ack() 2025-06-27 15:34:19 -07:00
tcp_ulp.c
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c tcp: add tcp_sock_set_maxseg 2025-07-21 17:48:32 -07:00
tunnel4.c net: fill in MODULE_DESCRIPTION()s for ipv4 modules 2024-02-09 14:12:02 -08:00
udp_bpf.c
udp_diag.c inet_diag: add module pointer to "struct inet_diag_handler" 2024-01-23 15:13:54 +01:00
udp_impl.h udp: move udp_memory_allocated into net_aligned_data 2025-07-02 14:22:02 -07:00
udp_offload.c udp: also consider secpath when evaluating ipsec use for checksumming 2025-08-07 08:07:15 +02:00
udp_tunnel_core.c udp_tunnel: remove rtnl_lock dependency 2025-06-18 18:53:51 -07:00
udp_tunnel_nic.c udp_tunnel: remove rtnl_lock dependency 2025-06-18 18:53:51 -07:00
udp_tunnel_stub.c
udp.c net: track pfmemalloc drops via SKB_DROP_REASON_PFMEMALLOC 2025-07-18 16:59:05 -07:00
udplite.c udp: move udp_memory_allocated into net_aligned_data 2025-07-02 14:22:02 -07:00
xfrm4_input.c xfrm: Set transport header to fix UDP GRO handling 2025-07-02 09:19:56 +02:00
xfrm4_output.c ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] 2025-07-02 14:32:30 -07:00
xfrm4_policy.c xfrm: Convert struct xfrm_dst_lookup_params -> tos to dscp_t. 2024-11-06 12:42:51 +01:00
xfrm4_protocol.c ipv4: Convert ip_route_input_noref() to dscp_t. 2024-10-03 16:21:21 -07:00
xfrm4_state.c
xfrm4_tunnel.c net: fill in MODULE_DESCRIPTION()s for ipv4 modules 2024-02-09 14:12:02 -08:00