kernel_optimize_test/net/core
Eric Dumazet 9a04302252 rtnetlink: fix if_nlmsg_stats_size() under estimation
[ Upstream commit d34367991933d28bd7331f67a759be9a8c474014 ]

rtnl_fill_statsinfo() is filling skb with one mandatory if_stats_msg structure.

nlmsg_put(skb, pid, seq, type, sizeof(struct if_stats_msg), flags);

But if_nlmsg_stats_size() never considered the needed storage.

This bug did not show up because alloc_skb(X) allocates skb with
extra tailroom, because of added alignments. This could very well
be changed in the future to have deterministic behavior.

Fixes: 10c9ead9f3 ("rtnetlink: add new RTM_GETSTATS message to dump link stats")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Roopa Prabhu <roopa@nvidia.com>
Acked-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-10-13 10:04:28 +02:00
..
bpf_sk_storage.c bpf: Change bpf_sk_storage_*() to accept ARG_PTR_TO_BTF_ID_SOCK_COMMON 2020-09-25 13:58:01 -07:00
datagram.c udp: fix skb_copy_and_csum_datagram with odd segment sizes 2021-02-17 11:02:28 +01:00
datagram.h
dev_addr_lists.c net: core: add nested_level variable in net_device 2020-09-28 15:00:15 -07:00
dev_ioctl.c net: fix dev_ifsioc_locked() race condition 2021-03-07 12:34:07 +01:00
dev.c skbuff: Fix build with SKB extensions disabled 2021-07-28 14:35:48 +02:00
devlink.c devlink: Clear whole devlink_flash_notify struct 2021-09-15 09:50:40 +02:00
drop_monitor.c drop_monitor: Perform cleanup upon probe registration failure 2021-03-30 14:31:57 +02:00
dst_cache.c
dst.c net, bpf: Fix ip6ip6 crash with collect_md populated skbs 2021-03-30 14:32:05 +02:00
failover.c
fib_notifier.c
fib_rules.c fib: Return the correct errno code 2021-06-18 10:00:06 +02:00
filter.c bpf: Do not change gso_size during bpf_skb_change_proto() 2021-07-14 16:56:27 +02:00
flow_dissector.c flow_dissector: Fix out-of-bounds warnings 2021-09-18 13:40:22 +02:00
flow_offload.c net: Fix offloading indirect devices dependency on qdisc order creation 2021-09-18 13:40:30 +02:00
gen_estimator.c net_sched: gen_estimator: support large ewma log 2021-01-27 11:55:23 +01:00
gen_stats.c docs: networking: convert gen_stats.txt to ReST 2020-04-28 14:39:46 -07:00
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: linkwatch: fix failure to restore device state across suspend/resume 2021-08-18 08:59:13 +02:00
lwt_bpf.c lwt_bpf: Replace preempt_disable() with migrate_disable() 2020-12-07 11:53:40 -08:00
lwtunnel.c net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
Makefile
neighbour.c neighbour: allow NUD_NOARP entries to be forced GCed 2021-06-10 13:39:29 +02:00
net_namespace.c net: make get_net_ns return error if NET_NS is disabled 2021-06-23 14:42:44 +02:00
net-procfs.c net-sysfs: add backlog len and CPU id to softnet data 2020-09-21 13:56:37 -07:00
net-sysfs.c net-sysfs: take the rtnl lock when accessing xps_rxqs_map and num_tc 2021-01-12 20:18:11 +01:00
net-sysfs.h
net-traces.c
netclassid_cgroup.c cgroup, netclassid: remove double cond_resched 2020-04-21 15:44:30 -07:00
netevent.c
netpoll.c net: Have netpoll bring-up DSA management interface 2020-11-18 11:04:11 -08:00
netprio_cgroup.c netprio_cgroup: Fix unlimited memory leak of v2 cgroups 2020-05-09 20:59:21 -07:00
page_pool.c mm: fix struct page layout on 32-bit systems 2021-05-19 10:13:17 +02:00
pktgen.c pktgen: fix misuse of BUG_ON() in pktgen_thread_worker() 2021-03-07 12:34:09 +01:00
ptp_classifier.c ptp: Add generic ptp v2 header parsing function 2020-08-19 16:07:49 -07:00
request_sock.c
rtnetlink.c rtnetlink: fix if_nlmsg_stats_size() under estimation 2021-10-13 10:04:28 +02:00
scm.c fs: Add receive_fd() wrapper for __receive_fd() 2020-07-13 11:03:44 -07:00
secure_seq.c crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h 2020-05-08 15:32:17 +10:00
skbuff.c net: Fix zero-copy head len calculation. 2021-08-08 09:05:23 +02:00
skmsg.c skmsg: Make sk_psock_destroy() static 2021-08-04 12:46:44 +02:00
sock_diag.c bpf, net: Rework cookie generator as per-cpu one 2020-09-30 11:50:35 -07:00
sock_map.c net, sockmap: Don't call bpf_prog_put() on NULL pointer 2020-10-15 21:05:23 +02:00
sock_reuseport.c udp: Prevent reuseport_select_sock from reading uninitialized socks 2021-01-23 16:03:59 +01:00
sock.c af_unix: fix races in sk_peer_pid and sk_peer_cred accesses 2021-10-06 15:55:58 +02:00
stream.c
sysctl_net_core.c net: add option to not create fall-back tunnels in root-ns as well 2020-08-28 06:52:44 -07:00
timestamping.c
tso.c net: tso: add UDP segmentation support 2020-06-18 20:46:23 -07:00
utils.c
xdp.c xdp: fix xdp_return_frame() kernel BUG throw for page_pool memory model 2021-04-14 08:42:09 +02:00