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Eric Dumazet ca3cf94776 ipv4: prevent potential spectre v1 gadget in fib_metrics_match() 
[ Upstream commit 5e9398a26a92fc402d82ce1f97cc67d832527da0 ]

if (!type)
        continue;
    if (type > RTAX_MAX)
        return false;
    ...
    fi_val = fi->fib_metrics->metrics[type - 1];

@type being used as an array index, we need to prevent
cpu speculation or risk leaking kernel memory content.

Fixes: 5f9ae3d9e7e4 ("ipv4: do metrics match when looking up and deleting a route")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230120133140.3624204-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-02-01 08:27:27 +01:00
..
bpfilter
…
netfilter
netfilter: conntrack: Fix data-races around ct mark
2022-12-02 17:41:04 +01:00
af_inet.c
tcp/udp: Make early_demux back namespacified.
2022-11-10 18:15:38 +01:00
ah4.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
arp.c
ipv4: Invalidate neighbour for broadcast address upon address addition
2022-04-13 20:59:05 +02:00
bpf_tcp_ca.c
bpf: Forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing progs
2021-11-25 09:49:07 +01:00
cipso_ipv4.c
cipso: Fix data-races around sysctl.
2022-07-21 21:24:21 +02:00
datagram.c
udp: Update reuse->has_conns under reuseport_lock.
2022-10-29 10:12:56 +02:00
devinet.c
net: Fix data-races around sysctl_devconf_inherit_init_net.
2022-08-31 17:16:44 +02:00
esp4_offload.c
xfrm: replay: Fix ESN wrap around for GSO
2022-12-02 17:41:02 +01:00
esp4.c
esp: limit skb_page_frag_refill use to a single page
2022-04-27 14:38:52 +02:00
fib_frontend.c
ipv4: Fix incorrect route flushing when table ID 0 is used
2022-12-14 11:37:28 +01:00
fib_lookup.h
ipv4: fix data races in fib_alias_hw_flags_set
2022-02-23 12:03:10 +01:00
fib_notifier.c
…
fib_rules.c
ipv4: convert fib_num_tclassid_users to atomic_t
2021-12-08 09:04:49 +01:00
fib_semantics.c
ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
2023-02-01 08:27:27 +01:00
fib_trie.c
ipv4: Fix error return code in fib_table_insert()
2022-12-02 17:41:07 +01:00
fou.c
fou: remove sparse errors
2021-08-31 12:03:33 +01:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
gre_offload.c
…
icmp.c
ip: Fix data-races around sysctl_ip_no_pmtu_disc.
2022-07-29 17:25:13 +02:00
igmp.c
igmp: Fix data-races around sysctl_igmp_qrv.
2022-08-03 12:03:48 +02:00
inet_connection_sock.c
net/ulp: prevent ULP without clone op from entering the LISTEN status
2023-01-14 10:23:28 +01:00
inet_diag.c
inet_diag: fix kernel-infoleak for UDP sockets
2021-12-22 09:32:40 +01:00
inet_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-27 11:05:35 +01:00
inet_hashtables.c
tcp: avoid the lookup process failing to get sk in ehash table
2023-02-01 08:27:13 +01:00
inet_timewait_sock.c
tcp: avoid the lookup process failing to get sk in ehash table
2023-02-01 08:27:13 +01:00
inetpeer.c
inetpeer: Fix data-races around sysctl.
2022-07-21 21:24:21 +02:00
ip_forward.c
ip: Fix data-races around sysctl_ip_fwd_update_priority.
2022-07-29 17:25:13 +02:00
ip_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-27 11:05:35 +01:00
ip_gre.c
ip_gre: do not report erspan version on GRE interface
2022-12-14 11:37:27 +01:00
ip_input.c
xfrm: fix "disable_policy" on ipv4 early demux
2022-12-02 17:41:02 +01:00
ip_options.c
…
ip_output.c
net: Find dst with sk's xfrm policy not ctl_sk
2022-09-23 14:15:51 +02:00
ip_sockglue.c
net: Fix data-races around sysctl_optmem_max.
2022-08-31 17:16:43 +02:00
ip_tunnel_core.c
tunnels: do not assume mac header is set in skb_tunnel_check_pmtu()
2022-07-07 17:53:29 +02:00
ip_tunnel.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-07-31 09:14:46 -07:00
ip_vti.c
ip_tunnel: use ndo_siocdevprivate
2021-07-27 20:11:44 +01:00
ipcomp.c
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
ipconfig.c
net: ipconfig: Don't override command-line hostnames or domains
2021-06-02 13:27:03 -07:00
ipip.c
ip_tunnel: use ndo_siocdevprivate
2021-07-27 20:11:44 +01:00
ipmr_base.c
…
ipmr.c
ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
2022-02-16 12:56:29 +01:00
Kconfig
tcp: configurable source port perturb table size
2022-12-02 17:41:11 +01:00
Makefile
…
metrics.c
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
2023-02-01 08:27:27 +01:00
netfilter.c
netfilter: Dissect flow after packet mangling
2021-04-18 22:04:16 +02:00
netlink.c
…
nexthop.c
nh: fix scope used to find saddr when adding non gw nh
2022-11-03 23:59:19 +09:00
ping.c
ping: fix address binding wrt vrf
2022-05-18 10:26:57 +02:00
proc.c
ip: Fix data-races around sysctl_ip_default_ttl.
2022-07-29 17:25:09 +02:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
raw.c
ipv4: raw: lock the socket in raw_bind()
2022-02-01 17:27:14 +01:00
route.c
ipv4: Fix data-races around sysctl_fib_multipath_hash_fields.
2022-07-29 17:25:21 +02:00
syncookies.c
mptcp: remove MPTCP 'ifdef' in TCP SYN cookies
2023-01-12 11:58:52 +01:00
sysctl_net_ipv4.c
tcp/udp: Make early_demux back namespacified.
2022-11-10 18:15:38 +01:00
tcp_bbr.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_bic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_bpf.c
bpf, sockmap: Fix data loss caused by using apply_bytes on ingress redirect
2022-12-31 13:14:14 +01:00
tcp_cdg.c
tcp: cdg: allow tcp_cdg_release() to be called multiple times
2022-11-26 09:24:50 +01:00
tcp_cong.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_cubic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_dctcp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_dctcp.h
…
tcp_diag.c
…
tcp_fastopen.c
tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.
2022-07-29 17:25:19 +02:00
tcp_highspeed.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_htcp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_hybla.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_illinois.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_input.c
tcp: fix indefinite deferral of RTO with SACK reneging
2022-11-03 23:59:17 +09:00
tcp_ipv4.c
dccp/tcp: Reset saddr on failure after inet6?_hash_connect().
2022-12-02 17:41:07 +01:00
tcp_lp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_metrics.c
tcp: Fix data-races around sysctl_tcp_no_ssthresh_metrics_save.
2022-08-03 12:03:45 +02:00
tcp_minisocks.c
tcp: Fix a data-race around sysctl_tcp_abort_on_overflow.
2022-07-29 17:25:23 +02:00
tcp_nv.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_offload.c
net, gro: Set inner transport header offset in tcp/udp GRO hook
2021-08-02 10:20:56 +01:00
tcp_output.c
tcp: fix tcp_cwnd_validate() to not forget is_cwnd_limited
2022-10-26 12:34:48 +02:00
tcp_rate.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_recovery.c
tcp: Fix data-races around sysctl_tcp_recovery.
2022-07-29 17:25:22 +02:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_timer.c
tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.
2022-07-29 17:25:22 +02:00
tcp_ulp.c
net/ulp: use consistent error code when blocking ULP
2023-01-24 07:22:48 +01:00
tcp_vegas.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_vegas.h
…
tcp_veno.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_westwood.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp_yeah.c
tcp: add accessors to read/set tp->snd_cwnd
2022-06-14 18:36:11 +02:00
tcp.c
tcp: fix rate_app_limited to default to 1
2023-02-01 08:27:16 +01:00
tunnel4.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
udp_bpf.c
net: Implement ->sock_is_readable() for UDP and AF_UNIX
2021-10-26 12:29:33 -07:00
udp_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
udp_impl.h
…
udp_offload.c
fou: remove sparse errors
2021-08-31 12:03:33 +01:00
udp_tunnel_core.c
net/tunnel: wait until all sk_user_data reader finish before releasing the sock
2022-12-31 13:14:19 +01:00
udp_tunnel_nic.c
udp_tunnel: Fix end of loop test in udp_tunnel_nic_unregister()
2022-03-02 11:47:59 +01:00
udp_tunnel_stub.c
…
udp.c
udp: Update reuse->has_conns under reuseport_lock.
2022-10-29 10:12:56 +02:00
udplite.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
xfrm4_input.c
…
xfrm4_output.c
…
xfrm4_policy.c
…
xfrm4_protocol.c
net: xfrm: unexport __init-annotated xfrm4_protocol_init()
2022-06-14 18:36:18 +02:00
xfrm4_state.c
…
xfrm4_tunnel.c
xfrm: remove description from xfrm_type struct
2021-06-09 09:38:52 +02:00