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Joanne Koong 7d68cf80fc bpf: Fix bpf_xdp_pointer return pointer 
[ Upstream commit bbd52178e2 ]

For the case where offset + len == size, bpf_xdp_pointer should return a
valid pointer to the addr because that access is permitted. We should
only return NULL in the case where offset + len exceeds size.

Fixes: 3f364222d0 ("net: xdp: introduce bpf_xdp_pointer utility routine")
Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/bpf/20220722220105.2065466-1-joannelkoong@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 15:14:55 +02:00
..
bpf_sk_storage.c
bpf: Compute map_btf_id during build time
2022-04-26 11:35:21 -07:00
datagram.c
net: inline skb_zerocopy_iter_dgram
2022-04-30 12:58:44 +01:00
dev_addr_lists_test.c
net: kunit: add a test for dev_addr_lists
2021-11-20 12:25:57 +00:00
dev_addr_lists.c
net: extract a few internals from netdevice.h
2022-04-07 20:32:09 -07:00
dev_ioctl.c
net: extract a few internals from netdevice.h
2022-04-07 20:32:09 -07:00
dev.c
xdp: Fix spurious packet loss in generic XDP TX path
2022-07-06 16:43:53 +02:00
dev.h
net: add skb_defer_max sysctl
2022-05-16 11:33:59 +01:00
devlink.c
Revert "Merge branch 'mlxsw-line-card-model'"
2022-05-05 15:47:23 -07:00
drop_monitor.c
net: dm: check the boundary of skb drop reasons
2022-05-16 10:47:43 +01:00
dst_cache.c
wireguard: device: reset peer src endpoint when netns exits
2021-11-29 19:50:45 -08:00
dst.c
net: dst: add net device refcount tracking to dst_entry
2021-12-06 16:05:10 -08:00
failover.c
net: failover: add net device refcount tracker
2021-12-06 16:06:02 -08:00
fib_notifier.c
…
fib_rules.c
fib: expand fib_rule_policy
2021-12-16 07:18:35 -08:00
filter.c
bpf: Fix bpf_xdp_pointer return pointer
2022-08-17 15:14:55 +02:00
flow_dissector.c
flow_dissector: Add number of vlan tags dissector
2022-04-20 11:09:13 +01:00
flow_offload.c
netfilter: nf_tables: bail out early if hardware offload is not supported
2022-06-06 19:19:15 +02:00
gen_estimator.c
net: sched: Remove Qdisc::running sequence counter
2021-10-18 12:54:41 +01:00
gen_stats.c
net: stats: Read the statistics in ___gnet_stats_copy_basic() instead of adding.
2021-10-21 12:47:56 +01:00
gro_cells.c
net: add per-cpu storage and net->core_stats
2022-03-11 23:17:24 -08:00
gro.c
net: allow gro_max_size to exceed 65536
2022-05-16 10:18:56 +01:00
hwbm.c
…
link_watch.c
net: extract a few internals from netdevice.h
2022-04-07 20:32:09 -07:00
lwt_bpf.c
bpf, lwt: Fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hook
2022-04-22 17:45:25 +02:00
lwtunnel.c
lwtunnel: Validate RTA_ENCAP_TYPE attribute length
2021-12-31 14:31:59 +00:00
Makefile
net: kunit: add a test for dev_addr_lists
2021-11-20 12:25:57 +00:00
neighbour.c
net, neigh: Set lower cap for neigh_managed_work rearming
2022-05-25 22:00:48 -07:00
net_namespace.c
net: initialize init_net earlier
2022-02-06 11:04:29 +00:00
net-procfs.c
net: extract a few internals from netdevice.h
2022-04-07 20:32:09 -07:00
net-sysfs.c
net: fix data-race in dev_isalive()
2022-06-17 10:59:31 +01:00
net-sysfs.h
…
net-traces.c
tcp: add tracepoint for checksum errors
2021-05-14 15:26:03 -07:00
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
netpoll: add net device refcount tracker to struct netpoll
2021-12-06 16:06:02 -08:00
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
Revert "of: net: support NVMEM cells with MAC in text format"
2022-01-12 14:14:36 +00:00
page_pool.c
net: page_pool: add page allocation stats for two fast page allocate path
2022-05-13 11:28:55 +01:00
pktgen.c
proc: remove PDE_DATA() completely
2022-01-22 08:33:37 +02:00
ptp_classifier.c
ptp: Add generic PTP is_sync() function
2022-03-07 11:31:34 +00:00
request_sock.c
…
rtnetlink.c
net: allow gro_max_size to exceed 65536
2022-05-16 10:18:56 +01:00
scm.c
memcg: enable accounting for scm_fp_list objects
2021-07-20 06:00:38 -07:00
secure_seq.c
tcp: Fix data-races around sysctl knobs related to SYN option.
2022-07-20 10:14:49 +01:00
selftests.c
net: core: constify mac addrs in selftests
2021-10-24 13:59:44 +01:00
skbuff.c
net: avoid strange behavior with skb_defer_max == 1
2022-05-20 17:05:36 -07:00
skmsg.c
skmsg: Fix invalid last sg check in sk_msg_recvmsg()
2022-08-17 15:14:48 +02:00
sock_destructor.h
skb_expand_head() adjust skb->truesize incorrectly
2021-10-22 12:35:51 -07:00
sock_diag.c
net: Don't include filter.h from net/sock.h
2021-12-29 08:48:14 -08:00
sock_map.c
bpf: Compute map_btf_id during build time
2022-04-26 11:35:21 -07:00
sock_reuseport.c
tcp: Fix data-races around sysctl_tcp_migrate_req.
2022-07-18 12:21:54 +01:00
sock.c
net: core: add READ_ONCE/WRITE_ONCE annotations for sk->sk_bound_dev_if
2022-05-16 10:31:06 +01:00
stream.c
net: stream: don't purge sk_error_queue in sk_stream_kill_queues()
2021-10-16 09:06:09 +01:00
sysctl_net_core.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2022-05-23 16:07:14 -07:00
timestamping.c
…
tso.c
net: tso: add UDP segmentation support
2020-06-18 20:46:23 -07:00
utils.c
net: core: Use csum_replace_by_diff() and csum_sub() instead of opencoding
2022-02-21 11:40:44 +00:00
xdp.c
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2022-03-22 11:18:49 -07:00