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linux/net/ipv4
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David Ahern 61b91eb33a ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference 
Gwangun Jung reported a slab-out-of-bounds access in fib_nh_match:
    fib_nh_match+0xf98/0x1130 linux-6.0-rc7/net/ipv4/fib_semantics.c:961
    fib_table_delete+0x5f3/0xa40 linux-6.0-rc7/net/ipv4/fib_trie.c:1753
    inet_rtm_delroute+0x2b3/0x380 linux-6.0-rc7/net/ipv4/fib_frontend.c:874

Separate nexthop objects are mutually exclusive with the legacy
multipath spec. Fix fib_nh_match to return if the config for the
to be deleted route contains a multipath spec while the fib_info
is using a nexthop object.

Fixes: 493ced1ac47c ("ipv4: Allow routes to use nexthop objects")
Fixes: 6bf92d70e690 ("net: ipv4: fix route with nexthop object delete warning")
Reported-by: Gwangun Jung <exsociety@gmail.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-07 08:47:08 +01:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
netfilter: nft_fib: Fix for rpath check with VRF devices
2022-09-28 13:33:26 +02:00
af_inet.c
tcp: Set NULL to sk->sk_prot->h.hashinfo.
2022-09-20 10:21:49 -07:00
ah4.c
xfrm: ah: add extack to ah_init_state, ah6_init_state
2022-09-29 07:17:59 +02:00
arp.c
ipv4: move from strlcpy with unused retval to strscpy
2022-08-22 17:59:37 -07:00
bpf_tcp_ca.c
bpf: Use 0 instead of NOT_INIT for btf_struct_access() writes
2022-09-10 17:27:32 -07:00
cipso_ipv4.c
cipso: Fix data-races around sysctl.
2022-07-08 12:10:33 +01:00
datagram.c
net-next: Fix IP_UNICAST_IF option behavior for connected sockets
2022-08-31 19:51:06 -07:00
devinet.c
net: Fix data-races around sysctl_devconf_inherit_init_net.
2022-08-24 13:46:58 +01:00
esp4_offload.c
esp: choose the correct inner protocol for GSO on inter address family tunnels
2022-08-29 10:20:58 +02:00
esp4.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2022-10-03 07:52:13 +01:00
fib_frontend.c
ip: fix triggering of 'icmp redirect'
2022-08-31 19:50:36 -07:00
fib_lookup.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-02-17 11:44:20 -08:00
fib_notifier.c
net: ipv4: remove superfluous header files from fib_notifier.c
2021-09-28 17:32:56 -07:00
fib_rules.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
fib_semantics.c
ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference
2022-10-07 08:47:08 +01:00
fib_trie.c
ipv4: Fix data-races around sysctl_fib_notify_on_flag_change.
2022-07-25 12:42:10 +01:00
fou.c
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
gre_offload.c
net: gro: skb_gro_header helper function
2022-08-25 10:33:21 +02:00
icmp.c
ip: Fix data-races around sysctl_ip_no_pmtu_disc.
2022-07-15 11:49:55 +01:00
igmp.c
bpf: net: Change do_ip_getsockopt() to take the sockptr_t argument
2022-09-02 20:34:31 -07:00
inet_connection_sock.c
tcp: Set NULL to sk->sk_prot->h.hashinfo.
2022-09-20 10:21:49 -07:00
inet_diag.c
net: inet: Retire port only listening_hash
2022-05-12 16:52:18 -07:00
inet_fragment.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
inet_hashtables.c
once: rename _SLOW to _SLEEPABLE
2022-10-03 17:34:32 -07:00
inet_timewait_sock.c
tcp: Don't allocate tcp_death_row outside of struct netns_ipv4.
2022-09-20 10:21:49 -07:00
inetpeer.c
inetpeer: Fix data-races around sysctl.
2022-07-08 12:10:33 +01:00
ip_forward.c
ip: Fix data-races around sysctl_ip_fwd_update_priority.
2022-07-15 11:49:55 +01:00
ip_fragment.c
net: ip: Handle delivery_time in ip defrag
2022-03-03 14:38:48 +00:00
ip_gre.c
ip_tunnel: Respect tunnel key's "flow_flags" in IP tunnels
2022-08-18 21:18:28 +02:00
ip_input.c
tcp/udp: Make early_demux back namespacified.
2022-07-15 18:50:35 -07:00
ip_options.c
ipv4: drop fragmentation code from ip_options_build()
2022-01-29 17:53:07 +00:00
ip_output.c
net: shrink struct ubuf_info
2022-09-28 18:51:25 -07:00
ip_sockglue.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2022-09-06 23:21:18 +02:00
ip_tunnel_core.c
net: Add helper function to parse netlink msg of ip_tunnel_parm
2022-10-03 07:59:06 +01:00
ip_tunnel.c
ip_tunnel: Respect tunnel key's "flow_flags" in IP tunnels
2022-08-18 21:18:28 +02:00
ip_vti.c
ip: use dev_addr_set() in tunnels
2021-10-13 09:41:37 -07:00
ipcomp.c
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.c
Driver core / kernfs changes for 6.0-rc1
2022-08-04 11:31:20 -07:00
ipip.c
net: Add helper function to parse netlink msg of ip_tunnel_parm
2022-10-03 07:59:06 +01:00
ipmr_base.c
ipmr: adopt rcu_read_lock() in mr_dump()
2022-06-24 11:34:38 +01:00
ipmr.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-09-22 13:02:10 -07:00
Kconfig
fou: Remove XRFM from NET_FOU Kconfig
2022-04-12 14:56:33 -07:00
Makefile
bpf: Clean up sockmap related Kconfigs
2021-02-26 12:28:03 -08:00
metrics.c
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
netfilter.c
netfilter: Use l3mdev flow key when re-routing mangled packets
2022-05-16 13:03:29 +02:00
netlink.c
…
nexthop.c
nexthop: Fix data-races around nexthop_compat_mode.
2022-07-13 12:56:50 +01:00
ping.c
bpf: Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
2022-09-09 10:40:45 -07:00
proc.c
tcp: Don't allocate tcp_death_row outside of struct netns_ipv4.
2022-09-20 10:21:49 -07:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
raw: complete rcu conversion
2022-06-21 11:38:29 +02:00
raw.c
raw: fix a typo in raw_icmp_error()
2022-06-24 22:48:33 -07:00
route.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2022-07-25 13:25:39 +01:00
syncookies.c
tcp: Fix data-races around sysctl knobs related to SYN option.
2022-07-20 10:14:49 +01:00
sysctl_net_ipv4.c
tcp: Introduce optional per-netns ehash.
2022-09-20 10:21:50 -07:00
tcp_bbr.c
bpf: Switch to new kfunc flags infrastructure
2022-07-21 20:59:42 -07:00
tcp_bic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_bpf.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-06-23 12:33:24 -07:00
tcp_cdg.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_cong.c
tcp: Add tracepoint for tcp_set_ca_state
2022-04-07 20:33:15 -07:00
tcp_cubic.c
bpf: Switch to new kfunc flags infrastructure
2022-07-21 20:59:42 -07:00
tcp_dctcp.c
bpf: Switch to new kfunc flags infrastructure
2022-07-21 20:59:42 -07:00
tcp_dctcp.h
…
tcp_diag.c
tcp: Access &tcp_hashinfo via net.
2022-09-20 10:21:49 -07:00
tcp_fastopen.c
tcp: Make SYN ACK RTO tunable by BPF programs with TFO
2022-08-17 10:19:22 +01:00
tcp_highspeed.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_htcp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -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: fix early ETIMEDOUT after spurious non-SACK RTO
2022-09-06 11:06:31 +02:00
tcp_ipv4.c
tcp: Introduce optional per-netns ehash.
2022-09-20 10:21:50 -07:00
tcp_lp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_metrics.c
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
tcp_minisocks.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2022-10-03 13:02:49 -07:00
tcp_nv.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_offload.c
gro: add support of (hw)gro packets to gro stack
2022-10-03 12:38:34 +01:00
tcp_output.c
tcp: fix tcp_cwnd_validate() to not forget is_cwnd_limited
2022-09-30 12:37:45 +01:00
tcp_rate.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-04-28 13:02:01 -07:00
tcp_recovery.c
tcp: Fix data-races around sysctl_tcp_recovery.
2022-07-20 10:14:50 +01:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_timer.c
tcp: Make SYN ACK RTO tunable by BPF programs with TFO
2022-08-17 10:19:22 +01:00
tcp_ulp.c
…
tcp_vegas.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_vegas.h
…
tcp_veno.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_westwood.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_yeah.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-10-03 17:44:18 -07:00
tunnel4.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
udp_bpf.c
net: remove noblock parameter from recvmsg() entities
2022-04-12 15:00:25 +02:00
udp_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
udp_impl.h
net: remove noblock parameter from recvmsg() entities
2022-04-12 15:00:25 +02:00
udp_offload.c
gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers
2021-11-24 17:21:42 -08:00
udp_tunnel_core.c
rxrpc: Fix ICMP/ICMP6 error handling
2022-09-01 11:42:12 +01:00
udp_tunnel_nic.c
udp_tunnel: Fix end of loop test in udp_tunnel_nic_unregister()
2022-02-23 12:35:00 +00:00
udp_tunnel_stub.c
…
udp.c
udp: Refactor udp_read_skb()
2022-09-26 11:00:19 -07:00
udplite.c
net: add per_cpu_fw_alloc field to struct proto
2022-06-10 16:21:26 -07:00
xfrm4_input.c
…
xfrm4_output.c
…
xfrm4_policy.c
net: rename reference+tracking helpers
2022-06-09 21:52:55 -07:00
xfrm4_protocol.c
net: xfrm: unexport __init-annotated xfrm4_protocol_init()
2022-06-08 10:10:13 -07:00
xfrm4_state.c
…
xfrm4_tunnel.c
xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state
2022-09-29 07:18:00 +02:00