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9c5d03d362
linux-stable/net
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Jakub Kicinski 9c5d03d362 genetlink: start to validate reserved header bytes 
We had historically not checked that genlmsghdr.reserved
is 0 on input which prevents us from using those precious
bytes in the future.

One use case would be to extend the cmd field, which is
currently just 8 bits wide and 256 is not a lot of commands
for some core families.

To make sure that new families do the right thing by default
put the onus of opting out of validation on existing families.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Paul Moore <paul@paul-moore.com> (NetLabel)
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-29 12:47:15 +01:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p iov_iter stuff, part 2, rebased 2022-08-08 20:04:35 -07:00
802 net: 802: Use memset_startat() to clear struct fields 2021-11-19 11:23:23 +00:00
8021q net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 ax25: move from strlcpy with unused retval to strscpy 2022-08-22 17:55:50 -07:00
batman-adv genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
bluetooth Bluetooth: ISO: Fix not using the correct QoS 2022-08-08 17:06:36 -07:00
bpf Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-08-17 20:29:36 -07:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
caif caif: move from strlcpy with unused retval to strscpy 2022-08-22 17:57:35 -07:00
can can: j1939: j1939_session_destroy(): fix memory leak of skbs 2022-08-09 09:05:06 +02:00
ceph libceph: clean up ceph_osdc_start_request prototype 2022-08-03 14:05:39 +02:00
core genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp net: Add a bhash2 table hashed by port and address 2022-08-24 19:30:07 -07:00
dns_resolver
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
ethernet net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
ethtool genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
hsr genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ieee802154 genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ife
ipv4 genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ipv6 genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-08-24 12:51:50 +01:00
l2tp genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 Various updates: 2022-08-26 11:56:55 +01:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ncsi genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netfilter genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlabel genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
nsh
openvswitch genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
packet packet: move from strlcpy with unused retval to strscpy 2022-08-22 17:59:51 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
qrtr net: qrtr: start MHI channel after endpoit creation 2022-08-15 11:21:42 +01:00
rds rds: add missing barrier to release_refill 2022-08-12 10:46:01 +01:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose rose: check NULL rose_loopback_neigh->loopback 2022-08-22 14:24:54 +01:00
rxrpc rxrpc: Fix locking in rxrpc's sendmsg 2022-08-25 12:39:40 -07:00
sched net_sched: remove impossible conditions 2022-08-26 19:48:19 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
smc genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc NFS client bugfixes for Linux 6.0 2022-08-22 11:40:01 -07:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
tls tls: rx: react to strparser initialization errors 2022-08-17 10:24:00 +01:00
unix af_unix: Show number of inflight fds for sockets in TCP_LISTEN state too 2022-08-22 11:34:54 +01:00
vmw_vsock vmci/vsock: check SO_RCVLOWAT before wake up reader 2022-08-23 10:43:12 +02:00
wireless genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
x25 net/x25: fix call timeouts in blocking connects 2022-08-08 20:48:51 -07:00
xdp xsk: Mark napi_id on sendmsg() 2022-07-14 22:45:34 +02:00
xfrm net: Fix data-races around netdev_max_backlog. 2022-08-24 13:46:57 +01:00
compat.c Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send 2022-07-24 18:41:03 -06:00
devres.c
Kconfig Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
socket.c net: Fix a data-race around sysctl_somaxconn. 2022-08-24 13:46:58 +01:00
sysctl_net.c sections: move and rename core_kernel_data() to is_kernel_core_data() 2021-11-09 10:02:50 -08:00