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linux/net/ipv6
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Justin Iurman 37919ef31d Fix write to cloned skb in ipv6_hop_ioam() 
[ Upstream commit f198d933c2 ]

ioam6_fill_trace_data() writes inside the skb payload without ensuring
it's writeable (e.g., not cloned). This function is called both from the
input and output path. The output path (ioam6_iptunnel) already does the
check. This commit provides a fix for the input path, inside
ipv6_hop_ioam(). It also updates ip6_parse_tlv() to refresh the network
header pointer ("nh") when returning from ipv6_hop_ioam().

Fixes: 9ee11f0fff ("ipv6: ioam: Data plane support for Pre-allocated Trace")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-03-01 13:26:38 +01:00
..
ila ila: do not generate empty messages in ila_xlat_nl_cmd_get_mapping() 2023-03-17 08:50:23 +01:00
netfilter netfilter: bridge: replace physindev with physinif in nf_bridge_info 2024-01-25 15:27:51 -08:00
addrconf.c ipv6: properly combine dev_base_seq and ipv6.dev_addr_genid 2024-03-01 13:26:36 +01:00
addrconf_core.c ipv6: Ensure natural alignment of const ipv6 loopback and router addresses 2024-02-05 20:13:01 +00:00
addrlabel.c ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network 2022-11-07 12:26:15 +00:00
af_inet6.c ipv6: init the accept_queue's spinlocks in inet6_create 2024-01-31 16:17:05 -08:00
ah6.c xfrm: ah: add extack to ah_init_state, ah6_init_state 2022-09-29 07:17:59 +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 2021-03-04 15:26:57 -08:00
datagram.c ipv6: Fix datagram socket connection with DSCP. 2023-02-22 12:59:54 +01:00
esp6.c net: ipv6: fix return value check in esp_remove_trailer 2023-10-25 12:03:06 +02:00
esp6_offload.c xfrm: Linearize the skb after offloading if needed. 2023-06-28 11:12:29 +02:00
exthdrs.c Fix write to cloned skb in ipv6_hop_ioam() 2024-03-01 13:26:38 +01:00
exthdrs_core.c ipv6: Fix out-of-bounds access in ipv6_find_tlv() 2023-05-30 14:03:21 +01:00
exthdrs_offload.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
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 ipv6: change fib6_rules_net_exit() to batch mode 2022-02-08 20:41:34 -08:00
fou6.c net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
icmp.c icmp6: Fix null-ptr-deref of ip6_null_entry->rt6i_idev in icmp6_dev(). 2023-07-23 13:49:23 +02:00
inet6_connection_sock.c lsm,selinux: pass flowi_common instead of flowi to the LSM hooks 2020-11-23 18:36:21 -05:00
inet6_hashtables.c tcp: Access &tcp_hashinfo via net. 2022-09-20 10:21:49 -07:00
ioam6.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ioam6_iptunnel.c ipv6: ioam: Insertion frequency in lwtunnel output 2022-02-04 20:24:45 -08:00
ip6_checksum.c net: udp: fix handling of CHECKSUM_COMPLETE packets 2018-10-24 14:18:16 -07:00
ip6_fib.c ipv6: fix potential NULL deref in fib6_add() 2023-12-13 18:39:06 +01:00
ip6_flowlabel.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
ip6_gre.c net:ipv6: check return value of pskb_trim() 2023-07-27 08:50:45 +02:00
ip6_icmp.c net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending 2021-02-23 11:29:52 -08:00
ip6_input.c ipv6: ignore dst hint for multipath routes 2023-09-19 12:28:01 +02:00
ip6_offload.c net-next: skbuff: refactor pskb_pull 2022-09-30 12:31:46 +01:00
ip6_offload.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ip6_output.c net: annotate data-races around sk->sk_tsflags 2024-01-10 17:10:23 +01:00
ip6_tunnel.c ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv() 2024-02-05 20:13:00 +00:00
ip6_udp_tunnel.c net: Make locking in sock_bindtoindex optional 2020-06-01 14:57:14 -07:00
ip6_vti.c ip6_vti: fix slab-use-after-free in decode_session6 2023-08-23 17:52:32 +02:00
ip6mr.c ip6mr: Fix skb_under_panic in ip6mr_cache_report() 2023-08-11 12:08:17 +02:00
ipcomp6.c xfrm: ipcomp: add extack to ipcomp{4,6}_init_state 2022-09-29 07:18:00 +02:00
ipv6_sockglue.c tcp: Fix data races around icsk->icsk_af_ops. 2022-10-12 17:50:37 -07:00
Kconfig crypto: lib - make the sha1 library optional 2022-07-15 16:43:59 +08:00
Makefile net: ipv6: use ipv6-y directly instead of ipv6-objs 2021-09-28 13:13:40 +01:00
mcast.c ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work 2024-01-25 15:27:51 -08:00
mcast_snoop.c net: bridge: mcast: fix broken length + header check for MRDv6 Adv. 2021-04-27 14:02:06 -07:00
mip6.c xfrm: mip6: add extack to mip6_destopt_init_state, mip6_rthdr_init_state 2022-09-29 07:18:01 +02:00
ndisc.c neighbour: annotate lockless accesses to n->nud_state 2023-10-10 22:00:42 +02:00
netfilter.c netfilter: Use l3mdev flow key when re-routing mangled packets 2022-05-16 13:03:29 +02:00
output_core.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
ping.c net: annotate data-races around sk->sk_tsflags 2024-01-10 17:10:23 +01:00
proc.c net: udp: introduce UDP_MIB_MEMERRORS for udp_mem 2020-11-09 15:34:44 -08:00
protocol.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
raw.c net: annotate data-races around sk->sk_tsflags 2024-01-10 17:10:23 +01:00
reassembly.c net: ipv6: Handle delivery_time in ipv6 defrag 2022-03-03 14:38:48 +00:00
route.c ipv6: remove max_size check inline with ipv4 2024-01-15 18:54:51 +01:00
rpl.c net: rpl: fix rpl header size calculation 2023-04-26 14:28:34 +02:00
rpl_iptunnel.c net: ipv6: rpl_iptunnel: simplify the return expression of rpl_do_srh() 2020-12-08 16:22:54 -08:00
seg6.c ipv6: sr: fix possible use-after-free and null-ptr-deref 2024-03-01 13:26:36 +01:00
seg6_hmac.c net: ipv6: unexport __init-annotated seg6_hmac_net_init() 2022-06-28 21:23:30 -07:00
seg6_iptunnel.c seg6: add support for SRv6 H.L2Encaps.Red behavior 2022-07-29 12:14:03 +01:00
seg6_local.c seg6: add NEXT-C-SID support for SRv6 End behavior 2022-09-20 12:33:22 +02:00
sit.c sit: update dev->needed_headroom in ipip6_tunnel_bind_dev() 2023-05-17 11:53:33 +02:00
syncookies.c dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses. 2023-11-20 11:52:16 +01:00
sysctl_net_ipv6.c net: sysctl: introduce sysctl SYSCTL_THREE 2022-05-03 10:15:06 +02:00
tcp_ipv6.c ipv4, ipv6: Use splice_eof() to flush 2024-01-10 17:10:27 +01:00
tcpv6_offload.c net: move gro definitions to include/net/gro.h 2021-11-16 13:16:54 +00:00
tunnel6.c tunnel6: add tunnel6_input_afinfo for ipip and ipv6 tunnels 2020-07-09 12:52:37 +02:00
udp.c udp: annotate data-races around up->pending 2024-01-25 15:27:49 -08:00
udp_impl.h tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct(). 2022-10-12 17:50:37 -07:00
udp_offload.c gro: remove rcu_read_lock/rcu_read_unlock from gro_receive handlers 2021-11-24 17:21:42 -08:00
udplite.c udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated(). 2023-05-30 14:03:20 +01:00
xfrm6_input.c udp: annotate data-races around udp->encap_type 2024-01-10 17:10:28 +01:00
xfrm6_output.c xfrm: fix tunnel model fragmentation behavior 2022-03-01 12:08:40 +01:00
xfrm6_policy.c xfrm6: fix inet6_dev refcount underflow problem 2023-10-25 12:03:12 +02:00
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: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state 2022-09-29 07:18:00 +02:00