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Al Viro 181964e619 fix a braino in cmsghdr_from_user_compat_to_kern() 
commit 547ce4cfb34c ("switch cmsghdr_from_user_compat_to_kern() to
copy_from_user()") missed one of the places where ucmlen should've been
replaced with cmsg.cmsg_len, now that we are fetching the entire struct
rather than doing it field-by-field.

	As the result, compat sendmsg() with several different-sized cmsg
attached started to fail with EINVAL.  Trivial to fix, fortunately.

Fixes: 547ce4cfb34c ("switch cmsghdr_from_user_compat_to_kern() to copy_from_user()")
Reported-by: Nick Bowler <nbowler@draconx.ca>
Tested-by: Nick Bowler <nbowler@draconx.ca>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27 13:25:39 -07:00
..
6lowpan
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
9p
net: Add MODULE_DESCRIPTION entries to network modules
2020-06-20 21:33:57 -07:00
802
net: 802: psnap.c: Use built-in RCU list checking
2020-02-24 13:02:53 -08:00
8021q
net: get rid of lockdep_set_class_and_subclass()
2020-06-28 21:37:23 -07:00
appletalk
ipv4,appletalk: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl
2020-05-18 17:35:02 -07:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-06-13 16:27:13 -07:00
ax25
AX.25: Prevent integer overflows in connect and sendmsg
2020-07-23 12:09:57 -07:00
batman-adv
net: change addr_list_lock back to static key
2020-06-09 12:59:45 -07:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-06-03 16:27:18 -07:00
bpf
bpf: Add tests for PTR_TO_BTF_ID vs. null comparison
2020-06-30 22:21:29 +02:00
bpfilter
bpfilter: switch to kernel_write
2020-07-08 08:27:56 +02:00
bridge
bridge: mcast: Fix MLD2 Report IPv6 payload length check
2020-07-07 15:37:57 -07:00
caif
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
can
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ceph
libceph: don't omit used_replica in target_copy()
2020-06-16 16:02:08 +02:00
core
dev: Defer free of skbs in flush_backlog
2020-07-24 19:59:22 -07:00
dcb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
dccp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-06-13 16:27:13 -07:00
decnet
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
dns_resolver
docs: networking: convert dns_resolver.txt to ReST
2020-04-28 14:39:46 -07:00
dsa
dsa: Allow forwarding of redirected IGMP traffic
2020-06-24 14:39:43 -07:00
ethernet
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
ethtool
ethtool: fix genlmsg_put() failure handling in ethnl_default_dumpit()
2020-07-09 12:35:33 -07:00
hsr
net: hsr: check for return value of skb_put_padto()
2020-07-20 18:02:28 -07:00
ieee802154
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ife
…
ipv4
tcp: allow at most one TLP probe per flight
2020-07-23 12:23:32 -07:00
ipv6
net: udp: Fix wrong clean up for IS_UDPLITE macro
2020-07-21 15:41:49 -07:00
iucv
net/af_iucv: clean up function prototypes
2020-05-19 12:50:14 -07:00
kcm
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
key
…
l2tp
l2tp: remove skb_dst_set() from l2tp_xmit_skb()
2020-07-08 15:24:33 -07:00
l3mdev
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
lapb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
llc
llc: make sure applications use ARPHRD_ETHER
2020-06-28 21:41:23 -07:00
mac80211
mac80211: allow rx of mesh eapol frames with default rx key
2020-06-25 12:55:45 +02:00
mac802154
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mpls
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mptcp
mptcp: fix joined subflows with unblocking sk
2020-07-27 11:50:57 -07:00
ncsi
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
netfilter
ipvs: fix the connection sync failed in some cases
2020-07-22 01:21:34 +02:00
netlabel
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
netlink
genetlink: remove genl_bind
2020-07-01 15:49:11 -07:00
netrom
net: change addr_list_lock back to static key
2020-06-09 12:59:45 -07:00
nfc
nfc: nci: add missed destroy_workqueue in nci_register_device
2020-07-17 13:08:08 -07:00
nsh
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
openvswitch
openvswitch: take into account de-fragmentation/gso_size in execute_check_pkt_len
2020-06-24 14:34:58 -07:00
packet
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
phonet
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
psample
net: psample: fix build error when CONFIG_INET is not enabled
2020-05-23 16:36:05 -07:00
qrtr
qrtr: orphan socket in qrtr_release()
2020-07-24 17:29:52 -07:00
rds
rds: If one path needs re-connection, check all and re-connect
2020-07-01 17:35:17 -07:00
rfkill
…
rose
net: change addr_list_lock back to static key
2020-06-09 12:59:45 -07:00
rxrpc
rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA
2020-07-20 17:47:10 -07:00
sched
flow_offload: Move rhashtable inclusion to the source file
2020-07-24 15:17:22 -07:00
sctp
sctp: shrink stream outq when fails to do addstream reconf
2020-07-22 18:00:12 -07:00
smc
net/smc: fix dmb buffer shortage
2020-07-20 17:52:25 -07:00
strparser
…
sunrpc
xprtrdma: fix incorrect header size calculations
2020-07-15 13:01:01 -04:00
switchdev
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
tipc
tipc: allow to build NACK message in link timeout function
2020-07-20 20:11:22 -07:00
tls
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
unix
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
vmw_vsock
vsock/virtio: annotate 'the_virtio_vsock' RCU pointer
2020-07-15 17:47:15 -07:00
wimax
…
wireless
nl80211: fix memory leak when parsing NL80211_ATTR_HE_BSS_COLOR
2020-06-26 11:52:57 +02:00
x25
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
xdp
xsk: Use dma_need_sync instead of reimplenting it
2020-06-30 15:44:03 +02:00
xfrm
net: xfrmi: implement header_ops->parse_protocol for AF_PACKET
2020-06-30 12:29:39 -07:00
compat.c
fix a braino in cmsghdr_from_user_compat_to_kern()
2020-07-27 13:25:39 -07:00
devres.c
net: devres: provide devm_register_netdev()
2020-05-23 16:56:17 -07:00
Kconfig
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
Makefile
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
socket.c
net: remove kernel_setsockopt
2020-05-29 13:10:39 -07:00
sysctl_net.c
…