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linux-stable/net/core
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Andrea Mayer 2d84fcb6e6 seg6: bpf: fix skb checksum in bpf_push_seg6_encap() 
[ Upstream commit 4889fbd98d ]

Both helper functions bpf_lwt_seg6_action() and bpf_lwt_push_encap() use
the bpf_push_seg6_encap() to encapsulate the packet in an IPv6 with Segment
Routing Header (SRH) or insert an SRH between the IPv6 header and the
payload.
To achieve this result, such helper functions rely on bpf_push_seg6_encap()
which, in turn, leverages seg6_do_srh_{encap,inline}() to perform the
required operation (i.e. encap/inline).

This patch removes the initialization of the IPv6 header payload length
from bpf_push_seg6_encap(), as it is now handled properly by
seg6_do_srh_{encap,inline}() to prevent corruption of the skb checksum.

Fixes: fe94cc290f ("bpf: Add IPv6 Segment Routing helpers")
Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-07-21 21:24:30 +02:00
..
bpf_sk_storage.c bpf: Introduce MEM_RDONLY flag 2022-05-01 17:22:24 +02:00
datagram.c udp: fix skb_copy_and_csum_datagram with odd segment sizes 2021-02-04 18:56:56 -08:00
datagram.h
dev.c net: fix data-race in dev_isalive() 2022-06-29 09:03:22 +02:00
dev_addr_lists.c net: dev_addr_list: handle first address in __hw_addr_add_ex 2021-09-30 13:29:09 +01:00
dev_ioctl.c net: core: don't call SIOCBRADD/DELIF for non-bridge devices 2021-08-05 11:36:59 +01:00
devlink.c devlink: Remove misleading internal_flags from health reporter dump 2022-01-27 11:05:39 +01:00
drop_monitor.c drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit 2022-02-23 12:03:12 +01:00
dst.c net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
dst_cache.c wireguard: device: reset peer src endpoint when netns exits 2021-12-08 09:04:46 +01:00
failover.c
fib_notifier.c
fib_rules.c ipv6: fix memory leak in fib6_rule_suppress 2021-12-08 09:04:43 +01:00
filter.c seg6: bpf: fix skb checksum in bpf_push_seg6_encap() 2022-07-21 21:24:30 +02:00
flow_dissector.c net/sched: flower: fix parsing of ethertype following VLAN header 2022-04-20 09:34:09 +02:00
flow_offload.c netfilter: nf_tables: bail out early if hardware offload is not supported 2022-06-14 18:36:17 +02:00
gen_estimator.c net_sched: gen_estimator: support large ewma log 2021-01-15 18:11:06 -08:00
gen_stats.c
gro_cells.c gro_cells: reduce number of synchronize_net() calls 2020-11-25 11:28:12 -08:00
hwbm.c
link_watch.c net: Write lock dev_base_lock without disabling bottom halves. 2022-06-29 09:03:22 +02:00
lwt_bpf.c bpf, lwt: Fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hook 2022-05-09 09:14:35 +02:00
lwtunnel.c lwtunnel: Validate RTA_ENCAP_TYPE attribute length 2022-01-11 15:35:14 +01:00
Makefile of: net: move of_net under net/ 2022-03-08 19:12:41 +01:00
neighbour.c net, neigh: clear whole pneigh_entry at alloc time 2021-12-14 10:57:19 +01:00
net-procfs.c net-procfs: show net devices bound packet types 2022-02-01 17:27:08 +01:00
net-sysfs.c net: fix data-race in dev_isalive() 2022-06-29 09:03:22 +02:00
net-sysfs.h
net-traces.c tcp: add tracepoint for checksum errors 2021-05-14 15:26:03 -07:00
net_namespace.c net: initialize init_net earlier 2022-04-13 20:59:03 +02:00
netclassid_cgroup.c bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode 2021-09-13 16:35:58 -07:00
netevent.c net: core: Correct function name netevent_unregister_notifier() in the kerneldoc 2021-03-28 17:56:56 -07:00
netpoll.c asm-generic/unaligned: Unify asm/unaligned.h around struct helper 2021-07-02 12:43:40 -07:00
netprio_cgroup.c bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode 2021-09-13 16:35:58 -07:00
of_net.c of: net: move of_net under net/ 2022-03-08 19:12:41 +01:00
page_pool.c page_pool: use relaxed atomic for release side accounting 2021-08-24 10:46:31 +01:00
pktgen.c pktgen: remove unused variable 2021-09-03 11:48:28 +01:00
ptp_classifier.c bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +02:00
request_sock.c
rtnetlink.c net: Write lock dev_base_lock without disabling bottom halves. 2022-06-29 09:03:22 +02:00
scm.c memcg: enable accounting for scm_fp_list objects 2021-07-20 06:00:38 -07:00
secure_seq.c tcp: resalt the secret every 10 seconds 2022-05-18 10:26:53 +02:00
selftests.c net: selftests: add MTU test 2021-07-22 00:52:04 -07:00
skbuff.c net: fix wrong network header length 2022-05-25 09:57:35 +02:00
skmsg.c sock: redo the psock vs ULP protection check 2022-06-29 09:03:25 +02:00
sock.c net-timestamp: convert sk->sk_tskey to atomic_t 2022-03-02 11:48:01 +01:00
sock_destructor.h skb_expand_head() adjust skb->truesize incorrectly 2021-10-22 12:35:51 -07:00
sock_diag.c
sock_map.c bpf: Introduce MEM_RDONLY flag 2022-05-01 17:22:24 +02:00
sock_reuseport.c tcp: Add stats for socket migration. 2021-06-23 12:56:08 -07:00
stream.c net: stream: don't purge sk_error_queue in sk_stream_kill_queues() 2021-11-18 19:16:34 +01:00
sysctl_net_core.c bpf: Prevent increasing bpf_jit_limit above max 2021-10-22 17:23:53 -07:00
timestamping.c
tso.c
utils.c
xdp.c xdp: Move the rxq_info.mem clearing to unreg_mem_model() 2021-06-28 23:07:59 +02:00