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linux_dsm_epyc7002/net/ipv6
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Paolo Abeni ce8fafb680 ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions 
[ Upstream commit 8fb4792f091e608a0a1d353dfdf07ef55a719db5 ]

While running the self-tests on a KASAN enabled kernel, I observed a
slab-out-of-bounds splat very similar to the one reported in
commit 821bbf79fe46 ("ipv6: Fix KASAN: slab-out-of-bounds Read in
 fib6_nh_flush_exceptions").

We additionally need to take care of fib6_metrics initialization
failure when the caller provides an nh.

The fix is similar, explicitly free the route instead of calling
fib6_info_release on a half-initialized object.

Fixes: f88d8ea67f ("ipv6: Plumb support for nexthop object in a fib6_info")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-28 14:35:40 +02:00
..
ila net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
netfilter netfilter: nft_fib_ipv6: skip ipv6 packets from any to link-local 2021-06-23 14:42:42 +02:00
addrconf_core.c ipv6: add ipv6_fragment hook in ipv6_stub 2020-08-31 12:26:39 -07:00
addrconf.c net: ipv4: Remove unneed BUG() function 2021-06-30 08:47:20 -04:00
addrlabel.c ipv6: addrlabel: fix possible memory leak in ip6addrlbl_net_init 2020-11-25 11:20:16 -08:00
af_inet6.c ipv6: add ipv6_fragment hook in ipv6_stub 2020-08-31 12:26:39 -07:00
ah6.c xfrm: Use actual socket sk instead of skb socket for xfrm_output_resume 2021-04-14 08:42:05 +02:00
anycast.c ipv6: fix memory leaks on IPV6_ADDRFORM path 2020-07-30 16:30:55 -07:00
calipso.c cipso,calipso: resolve a number of problems with the DOI refcounts 2021-03-17 17:06:15 +01:00
datagram.c icmp6: support rfc 4884 2020-07-24 17:12:41 -07:00
esp6_offload.c xfrm: Provide private skb extensions for segmented and hw offloaded ESP packets 2021-04-14 08:42:07 +02:00
esp6.c xfrm: xfrm_state_mtu should return at least 1280 for ipv6 2021-07-14 16:56:14 +02:00
exthdrs_core.c ipv6: remove printk 2019-07-27 14:23:48 -07:00
exthdrs_offload.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
exthdrs.c ipv6: fix out-of-bound access in ip6_parse_tlv() 2021-07-14 16:56:28 +02:00
fib6_notifier.c net: fib_notifier: propagate extack down to the notifier block callback 2019-10-04 11:10:56 -07:00
fib6_rules.c fib: use indirect call wrappers in the most common fib_rules_ops 2020-07-28 17:42:31 -07:00
fou6.c net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
icmp.c net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending 2021-03-04 11:38:46 +01:00
inet6_connection_sock.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
inet6_hashtables.c net: ipv6: remove unused arg exact_dif in compute_score 2020-08-31 13:08:10 -07:00
ip6_checksum.c net: udp: fix handling of CHECKSUM_COMPLETE packets 2018-10-24 14:18:16 -07:00
ip6_fib.c ipv6: fix suspecious RCU usage warning 2021-03-30 14:31:57 +02:00
ip6_flowlabel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-08-05 20:13:21 -07:00
ip6_gre.c ipv6: remove extra dev_hold() for fallback tunnels 2021-05-22 11:40:55 +02:00
ip6_icmp.c net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending 2021-03-04 11:38:46 +01:00
ip6_input.c ipv6: weaken the v4mapped source check 2021-03-30 14:32:01 +02:00
ip6_offload.c udp: move gro declarations to net/udp.h 2020-06-23 20:10:15 -07:00
ip6_offload.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ip6_output.c ipv6: fix 'disable_policy' for fwd packets 2021-07-28 14:35:33 +02:00
ip6_tunnel.c ip6_tunnel: fix GRE6 segmentation 2021-07-14 16:56:25 +02:00
ip6_udp_tunnel.c net: Make locking in sock_bindtoindex optional 2020-06-01 14:57:14 -07:00
ip6_vti.c ipv6: remove extra dev_hold() for fallback tunnels 2021-05-22 11:40:55 +02:00
ip6mr.c net/ipv6: switch ip6_mroute_setsockopt to sockptr_t 2020-07-24 15:41:54 -07:00
ipcomp6.c ipcomp: assign if_id to child tunnel from parent tunnel 2020-07-09 12:55:37 +02:00
ipv6_sockglue.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-08-02 01:02:12 -07:00
Kconfig net: ipv6: fix kconfig dependency warning for IPV6_SEG6_HMAC 2020-09-18 17:45:04 -07:00
Makefile net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
mcast_snoop.c net: bridge: mcast: fix broken length + header check for MRDv6 Adv. 2021-05-14 09:50:44 +02:00
mcast.c mld: fix panic in mld_newpack() 2021-06-03 09:00:48 +02:00
mip6.c xfrm: remove type and offload_type map from xfrm_state_afinfo 2019-06-06 08:34:50 +02:00
ndisc.c net: Exempt multicast addresses from five-second neighbor lifetime 2020-11-13 14:24:39 -08:00
netfilter.c netfilter: use actual socket sk rather than skb sk when routing harder 2020-10-30 12:57:39 +01:00
output_core.c ipv6: use prandom_u32() for ID generation 2021-07-19 09:44:44 +02:00
ping.c ipv6/ping: set skb->mark on icmpv6 sockets 2020-07-03 14:36:04 -07:00
proc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
protocol.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
raw.c net-ipv6: bugfix - raw & sctp - switch to ipv6_can_nonlocal_bind() 2021-04-14 08:42:02 +02:00
reassembly.c ipv6: record frag_max_size in atomic fragments in input path 2021-06-03 09:00:50 +02:00
route.c ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions 2021-07-28 14:35:40 +02:00
rpl_iptunnel.c net: ipv6: Use struct_size() helper and kcalloc() 2020-06-23 20:27:09 -07:00
rpl.c ipv6: rpl: fix full address compression 2020-04-18 15:04:27 -07:00
seg6_hmac.c crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h 2020-05-08 15:32:17 +10:00
seg6_iptunnel.c seg6_iptunnel: Refactor seg6_lwt_headroom out of uapi header 2020-08-03 17:57:40 -07:00
seg6_local.c seg6: fix seg6_validate_srh() to avoid slab-out-of-bounds 2020-06-04 15:39:32 -07:00
seg6.c seg6: fix seg6_validate_srh() to avoid slab-out-of-bounds 2020-06-04 15:39:32 -07:00
sit.c ipv6: remove extra dev_hold() for fallback tunnels 2021-05-22 11:40:55 +02:00
syncookies.c net: Update window_clamp if SOCK_RCVBUF is set 2020-11-10 17:42:35 -08:00
sysctl_net_ipv6.c ipv6: Fix sysctl max for fib_multipath_hash_policy 2020-09-02 15:44:53 -07:00
tcp_ipv6.c ipv6: tcp: drop silly ICMPv6 packet too big messages 2021-07-25 14:36:21 +02:00
tcpv6_offload.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tunnel6.c tunnel6: add tunnel6_input_afinfo for ipip and ipv6 tunnels 2020-07-09 12:52:37 +02:00
udp_impl.h net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
udp_offload.c udp: ipv4: manipulate network header of NATed UDP GRO fraglist 2021-02-10 09:29:23 +01:00
udp.c udp: annotate data races around unix_sk(sk)->gso_size 2021-07-25 14:36:22 +02:00
udplite.c net/ipv6: remove compat_ipv6_{get,set}sockopt 2020-07-19 18:16:41 -07:00
xfrm6_input.c xfrm: state: remove extract_input indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
xfrm6_output.c net: ipv6: fix return value of ip6_skb_dst_mtu 2021-07-25 14:36:18 +02:00
xfrm6_policy.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
xfrm6_protocol.c xfrm: add support for UDPv6 encapsulation of ESP 2020-04-28 11:28:36 +02:00
xfrm6_state.c xfrm: remove output_finish indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
xfrm6_tunnel.c xfrm: interface: fix the priorities for ipip and ipv6 tunnels 2020-10-09 12:29:48 +02:00