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155fb43b70
linux/net/core
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Jakub Kicinski 155fb43b70 net: limit altnames to 64k total 
Property list (altname is a link "property") is wrapped
in a nlattr. nlattrs length is 16bit so practically
speaking the list of properties can't be longer than
that, otherwise user space would have to interpret
broken netlink messages.

Prevent the problem from occurring by checking the length
of the property list before adding new entries.

Reported-by: George Shuklin <george.shuklin@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-10 20:15:23 -08:00
..
bpf_sk_storage.c bpf: Allow bpf_local_storage to be used by sleepable programs 2021-12-29 17:54:40 -08:00
datagram.c net: avoid double accounting for pure zerocopy skbs 2021-11-03 11:19:49 +00:00
datagram.h
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 dev_addr_list: put the first addr on the tree 2021-11-20 12:25:57 +00:00
dev_ioctl.c net_tstamp: add new flag HWTSTAMP_FLAG_BONDED_PHC_INDEX 2021-12-14 12:28:24 +00:00
dev.c net: dev: use kfree_skb_reason() for __netif_receive_skb_core() 2022-03-04 12:17:11 +00:00
devlink.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-31 14:35:40 +00:00
drop_monitor.c drop_monitor: remove quadratic behavior 2022-02-23 12:39:58 +00:00
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: Add __sk_buff->delivery_time_type and bpf_skb_set_skb_delivery_time() 2022-03-03 14:38:49 +00:00
flow_dissector.c flow_dissector: Add support for HSR 2022-03-02 22:44:49 -08:00
flow_offload.c flow_offload: add reoffload process to update hw_count 2021-12-19 14:08:48 +00:00
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 gro_cells: avoid using synchronize_rcu() in gro_cells_destroy() 2022-02-22 11:25:40 -08:00
gro.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-10 17:16:56 -08:00
hwbm.c
link_watch.c net: refine dev_put()/dev_hold() debugging 2022-02-05 15:22:45 +00:00
lwt_bpf.c net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
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: use kfree_skb_reason() for __neigh_event_send() 2022-02-26 12:53:59 +00:00
net_namespace.c net: initialize init_net earlier 2022-02-06 11:04:29 +00:00
net-procfs.c net-procfs: show net devices bound packet types 2022-01-24 11:58:46 +00:00
net-sysfs.c net-sysfs: add check for netdevice being present to speed_show 2022-02-18 10:59:11 +00:00
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 page_pool: Add function to batch and return stats 2022-03-03 09:55:28 +00:00
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: limit altnames to 64k total 2022-03-10 20:15:23 -08:00
scm.c memcg: enable accounting for scm_fp_list objects 2021-07-20 06:00:38 -07:00
secure_seq.c net: align static siphash keys 2021-11-16 19:07:54 -08:00
selftests.c net: core: constify mac addrs in selftests 2021-10-24 13:59:44 +01:00
skbuff.c net: skb: introduce the function kfree_skb_list_reason() 2022-03-04 12:17:11 +00:00
skmsg.c bpf, sockmap: Do not ignore orig_len parameter 2022-03-02 22:49:03 -08:00
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: support BPF_PROG_QUERY for progs attached to sockmap 2022-01-20 21:30:58 -08:00
sock_reuseport.c tcp: Add stats for socket migration. 2021-06-23 12:56:08 -07:00
sock.c SO_ZEROCOPY should return -EOPNOTSUPP rather than -ENOTSUPP 2022-03-08 22:14:49 -08:00
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 net/sysctl: avoid two synchronize_rcu() calls 2022-02-28 11:40:47 +00:00
timestamping.c
tso.c
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 git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-10 17:16:56 -08:00