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e4bdef4d320b2fe73b8ebfc0cc0507fa9dc4a3b7
linux/net/ipv4
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Eric Dumazet e4bdef4d32 ipv4: use WARN_ON_ONCE() in ip_rt_bug() 
It turns out ip_rt_bug() can be called more than expected.

syzbot will still panic (because of panic_on_warn=1), but non debug
kernels will no longer die while repeating stack traces on the console.

Fixes: c378a9c019 ("ipv4: Give backtrace in ip_rt_bug().")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Link: https://patch.msgid.link/20260519193248.4018872-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-05-20 19:00:36 -07:00
..
netfilter
netfilter: x_tables: close dangling table module init race
2026-05-08 01:30:17 +02:00
af_inet.c
tcp: update window_clamp when SO_RCVBUF is set
2026-04-13 15:32:35 +02:00
ah4.c
xfrm: ah: account for ESN high bits in async callbacks
2026-04-20 09:28:34 +02:00
arp.c
net: remove ax25 and amateur radio (hamradio) subsystem
2026-04-23 10:24:02 -07:00
bpf_tcp_ca.c
bpf: Reject TCP_NODELAY in bpf-tcp-cc
2026-04-22 12:58:57 -07:00
cipso_ipv4.c
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
datagram.c
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
devinet.c
ipv4: validate IPV4_DEVCONF attributes properly
2026-03-14 09:52:30 -07:00
esp4_offload.c
xfrm: Fix inner mode lookup in tunnel mode GSO segmentation
2025-12-04 09:54:53 +01:00
esp4.c
xfrm: esp: avoid in-place decrypt on shared skb frags
2026-05-05 06:38:30 +02:00
fib_frontend.c
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
fib_lookup.h
ipv4: fib: Annotate access to struct fib_alias.fa_state.
2026-01-28 19:33:07 -08:00
fib_notifier.c
net: do not acquire rtnl in fib_seq_sum()
2024-10-11 15:35:05 -07:00
fib_rules.c
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
fib_semantics.c
ipv4: drop ipv6_stub usage and use direct function calls
2026-03-29 11:21:23 -07:00
fib_trie.c
ipv4: fib: Annotate access to struct fib_alias.fa_state.
2026-01-28 19:33:07 -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: Remove IPPROTO_UDPLITE check in gue_err() and gue6_err().
2026-03-17 16:10:59 -07:00
fou_nl.c
fou: Don't allow 0 for FOU_ATTR_IPPROTO.
2026-01-17 16:00:24 -08:00
fou_nl.h
tools: ynl-gen: add regeneration comment
2025-11-25 19:20:42 -08:00
gre_demux.c
gre: Count GRE packet drops
2026-04-12 12:33:33 -07:00
gre_offload.c
net: gro: rename skb_gro_header_hard()
2024-03-05 13:30:11 +01:00
icmp.c
ipv4: icmp: reject broadcast/multicast routes
2026-05-20 19:00:02 -07:00
igmp_internal.h
netlink: support dumping IPv4 multicast addresses
2025-02-11 11:26:53 +01:00
igmp.c
ipv4: igmp: annotate data-races in igmp_heard_query()
2026-05-01 17:11:42 -07:00
inet_connection_sock.c
tcp: Fix imbalanced icsk_accept_queue count.
2026-05-08 14:54:51 -07:00
inet_diag.c
inet_diag: report delayed ack timer information
2026-03-06 16:32:26 -08:00
inet_fragment.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
inet_hashtables.c
net: remove EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() macros
2026-03-29 11:21:22 -07:00
inet_timewait_sock.c
inet: Avoid ehash lookup race in inet_twsk_hashdance_schedule()
2025-10-17 16:08:43 -07:00
inetpeer.c
inetpeer: add a missing read_seqretry() in inet_getpeer()
2026-05-06 17:44:13 -07:00
ip_forward.c
net: fix IPSTATS_MIB_OUTFORWDATAGRAMS increment after fragment check
2023-10-13 09:58:45 -07:00
ip_fragment.c
inet: frags: flush pending skbs in fqdir_pre_exit()
2025-12-10 01:15:27 -08:00
ip_gre.c
gre: Count GRE packet drops
2026-04-12 12:33:33 -07:00
ip_input.c
tcp: move tcp_v4_early_demux() to net/ipv4/ip_input.c
2026-03-09 18:50:24 -07:00
ip_options.c
net: Switch to skb_dstref_steal/skb_dstref_restore for ip_route_input callers
2025-08-19 17:54:35 -07:00
ip_output.c
xfrm: esp: avoid in-place decrypt on shared skb frags
2026-05-05 06:38:30 +02:00
ip_sockglue.c
net: remove addr_len argument of recvmsg() handlers
2026-03-02 18:17:17 -08:00
ip_tunnel_core.c
net: Add net_cookie to Dead loop messages
2026-04-12 09:05:02 -07:00
ip_tunnel.c
ipv4: ip_tunnel: spread netdev_lockdep_set_classes()
2026-01-08 18:02:35 -08:00
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
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
ipip.c
netfilter: flowtable: Add IPIP rx sw acceleration
2025-11-28 00:00:38 +00:00
ipmr_base.c
ipmr: Free mr_table after RCU grace period.
2026-04-27 18:46:17 -07:00
ipmr.c
ipmr: Call ipmr_fib_lookup() under RCU.
2026-05-07 08:38:37 -07:00
Kconfig
ipv6: convert CONFIG_IPV6 to built-in only and clean up Kconfigs
2026-03-29 11:21:22 -07:00
Makefile
ipv4: Retire UDP-Lite.
2026-03-13 18:57:44 -07:00
metrics.c
net: remove EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() macros
2026-03-29 11:21:22 -07:00
netfilter.c
net: Add SPDX ids to some source files
2026-03-09 18:32:45 -07:00
netlink.c
…
nexthop.c
nexthop: fix IPv6 route referencing IPv4 nexthop
2026-04-16 13:48:30 +02:00
ping.c
Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2026-04-14 18:36:10 -07:00
proc.c
udp: Remove UDP-Lite SNMP stats.
2026-03-13 18:57:44 -07:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
inet_diag: change inet_diag_bc_sk() first argument
2025-08-29 19:29:24 -07:00
raw.c
ipv4: raw: reject IP_HDRINCL packets with ihl < 5
2026-05-15 15:55:02 -07:00
route.c
ipv4: use WARN_ON_ONCE() in ip_rt_bug()
2026-05-20 19:00:36 -07:00
syncookies.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-04-14 12:04:00 -07:00
sysctl_net_ipv4.c
inet: add ip_local_port_step_width sysctl to improve port usage distribution
2026-03-10 18:59:39 -07:00
tcp_ao.c
tcp: Fix out-of-bounds access for twsk in tcp_ao_established_key().
2026-05-11 17:50:15 -07:00
tcp_bbr.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_bic.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_bpf.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-03-05 12:11:05 -08:00
tcp_cdg.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_cong.c
tcp: ECT_1_NEGOTIATION and NEEDS_ACCECN identifiers
2026-02-03 15:13:24 +01:00
tcp_cubic.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_dctcp.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_dctcp.h
net: Add SPDX ids to some source files
2026-03-09 18:32:45 -07:00
tcp_diag.c
inet_diag: report delayed ack timer information
2026-03-06 16:32:26 -08:00
tcp_fastopen.c
net: remove EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() macros
2026-03-29 11:21:22 -07:00
tcp_highspeed.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_htcp.c
tcp: Use clamp() in htcp_alpha_update()
2024-08-06 12:16:25 -07:00
tcp_hybla.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_illinois.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_input.c
tcp: send a challenge ACK on SEG.ACK > SND.NXT
2026-04-23 11:04:00 -07:00
tcp_ipv4.c
tcp: tcp_child_process() related UAF
2026-05-06 18:11:33 -07:00
tcp_lp.c
net: tcp_lp: fix kernel-doc warnings and update outdated reference links
2025-10-28 17:52:44 -07:00
tcp_metrics.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_minisocks.c
tcp: tcp_child_process() related UAF
2026-05-06 18:11:33 -07:00
tcp_nv.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_offload.c
gro: flushing when CWR is set negatively affects AccECN
2026-02-03 15:13:24 +01:00
tcp_output.c
tcp: annotate data-races around tp->bytes_retrans
2026-04-18 11:10:13 -07:00
tcp_plb.c
tcp: annotate data-races around tp->plb_rehash
2026-04-18 11:10:14 -07:00
tcp_recovery.c
tcp: move tcp_rack_advance() to tcp_input.c
2026-01-28 19:31:51 -08:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_sigpool.c
compiler-context-analysis: Change __cond_acquires to take return value
2026-01-05 16:43:29 +01:00
tcp_timer.c
tcp: make probe0 timer handle expired user timeout
2026-04-27 19:16:07 -07:00
tcp_ulp.c
net/ulp: use consistent error code when blocking ULP
2023-01-19 09:26:16 -08:00
tcp_vegas.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_vegas.h
tcp: add cwnd_event_tx_start to tcp_congestion_ops
2026-03-24 21:00:38 -07:00
tcp_veno.c
tcp: add cwnd_event_tx_start to tcp_congestion_ops
2026-03-24 21:00:38 -07:00
tcp_westwood.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp_yeah.c
tcp: annotate data-races around tp->snd_ssthresh
2026-04-18 11:10:12 -07:00
tcp.c
Merge tag 'net-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-04-23 16:50:42 -07:00
tunnel4.c
net: fill in MODULE_DESCRIPTION()s for ipv4 modules
2024-02-09 14:12:02 -08:00
udp_bpf.c
ipv4: Retire UDP-Lite.
2026-03-13 18:57:44 -07:00
udp_diag.c
udp: Don't pass udptable to IPv4 socket lookup functions.
2026-03-13 18:57:46 -07:00
udp_offload.c
udp: Fix UDP length on last GSO_PARTIAL segment
2026-05-20 15:03:47 -07:00
udp_tunnel_core.c
net: Convert proto_ops connect() callbacks to use sockaddr_unsized
2025-11-04 19:10:32 -08:00
udp_tunnel_nic.c
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
udp_tunnel_stub.c
…
udp.c
Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2026-04-14 18:36:10 -07:00
xfrm4_input.c
xfrm: hold dev ref until after transport_finish NF_HOOK
2026-04-07 10:12:40 +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
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
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