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linux/net
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Johannes Berg 65439f28c2 nl80211: clear skb cb before passing to netlink 
commit bd8c78e78d upstream.

In testmode and vendor command reply/event SKBs we use the
skb cb data to store nl80211 parameters between allocation
and sending. This causes the code for CONFIG_NETLINK_MMAP
to get confused, because it takes ownership of the skb cb
data when the SKB is handed off to netlink, and it doesn't
explicitly clear it.

Clear the skb cb explicitly when we're done and before it
gets passed to netlink to avoid this issue.

Reported-by: Assaf Azulay <assaf.azulay@intel.com>
Reported-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2014-10-05 14:52:22 -07:00
..
9p 9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers 2014-02-10 17:48:54 -08:00
802 neigh: use NEIGH_VAR_INIT in ndo_neigh_setup functions. 2014-01-16 11:31:58 -08:00
8021q vlan: free percpu stats in device destructor 2014-07-28 08:05:59 -07:00
appletalk appletalk: Fix socket referencing in skb 2014-07-28 08:06:00 -07:00
atm net: Fix some fallout from the etner_addr_copy() changes. 2014-01-21 18:57:26 -08:00
ax25 net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
batman-adv batman-adv: Fix out-of-order fragmentation support 2014-08-14 09:38:24 +08:00
bluetooth Bluetooth: Avoid use of session socket after the session gets freed 2014-09-17 09:19:23 -07:00
bridge bridge: Prevent insertion of FDB entry with disallowed vlan 2014-06-26 15:15:39 -04:00
caif net: Include appropriate header file in caif/cfsrvl.c 2014-02-09 17:32:49 -08:00
can net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-06-26 15:15:38 -04:00
ceph libceph: gracefully handle large reply messages from the mon 2014-09-17 09:19:29 -07:00
core iovec: make sure the caller actually wants anything in memcpy_fromiovecend 2014-08-14 09:38:24 +08:00
dcb net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-06-26 15:15:38 -04:00
dccp dccp: re-enable debug macro 2014-02-16 23:45:00 -05:00
decnet net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-06-26 15:15:38 -04:00
dns_resolver dns_resolver: Null-terminate the right string 2014-07-28 08:06:01 -07:00
dsa dsa: Use ether_addr_copy 2014-01-21 18:13:05 -08:00
ethernet net: eth_type_trans() should use skb_header_pointer() 2014-01-16 15:30:31 -08:00
hsr hsr: off by one sanity check in hsr_register_frame_in() 2014-03-03 15:29:42 -05:00
ieee802154 6lowpan: fix lockdep splats 2014-02-10 17:51:29 -08:00
ipv4 tcp: Fix integer-overflow in TCP vegas 2014-08-14 09:38:24 +08:00
ipv6 ip: make IP identifiers less predictable 2014-08-14 09:38:23 +08:00
ipx net: Move prototype declaration to header file include/net/net_namespace.h from net/ipx/af_ipx.c 2014-02-09 17:32:50 -08:00
irda net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
iucv af_iucv: wrong mapping of sent and confirmed skbs 2014-06-30 20:11:51 -07:00
key selinux: add gfp argument to security_xfrm_policy_alloc and fix callers 2014-03-10 08:30:02 +01:00
l2tp net/l2tp: don't fall back on UDP [get|set]sockopt 2014-08-07 14:52:39 -07:00
lapb net/lapb: re-send packets on timeout 2013-09-23 16:52:45 -04:00
llc llc: remove noisy WARN from llc_mac_hdr_init 2014-01-28 18:01:32 -08:00
mac80211 Revert "mac80211: disable uAPSD if all ACs are under ACM" 2014-10-05 14:52:20 -07:00
mac802154 mac802154: fix following checkpath.pl warning Prefer pr_warn(... to pr_warning(... 2013-12-22 18:53:08 -05:00
mpls ipip: add GSO/TSO support 2013-10-19 19:36:19 -04:00
netfilter inetpeer: get rid of ip_id_count 2014-08-14 09:38:23 +08:00
netlabel netlabel: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
netlink netlink: Fix handling of error from netlink_dump(). 2014-07-28 08:06:00 -07:00
netrom net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
nfc NFC: NCI: Fix NULL pointer dereference 2014-02-23 23:14:45 +01:00
openvswitch openvswitch: fix a possible deadlock and lockdep warning 2014-03-28 16:41:53 -04:00
packet net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-06-26 15:15:38 -04:00
phonet net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-06-26 15:15:38 -04:00
rds rds: prevent dereference of a NULL device in rds_iw_laddr_check 2014-04-14 06:50:04 -07:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
rose net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
rxrpc RxRPC fixes 2014-01-28 18:04:18 -08:00
sched net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-06-26 15:15:38 -04:00
sctp sctp: fix possible seqlock seadlock in sctp_packet_transmit() 2014-08-14 09:38:24 +08:00
sunrpc svcrdma: Select NFSv4.1 backchannel transport based on forward channel 2014-09-05 16:34:18 -07:00
tipc tipc: clear 'next'-pointer of message fragments before reassembly 2014-07-28 08:06:01 -07:00
unix net: unix: non blocking recvmsg() should not return -EINTR 2014-03-26 17:05:40 -04:00
vmw_vsock vsock: Make transport the proto owner 2014-05-31 13:20:36 -07:00
wimax wimax: remove dead code 2013-11-21 13:09:42 -05:00
wireless nl80211: clear skb cb before passing to netlink 2014-10-05 14:52:22 -07:00
x25 net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
xfrm xfrm: Fix installation of AH IPsec SAs 2014-08-14 09:38:23 +08:00
compat.c net: sendmsg: fix NULL pointer dereference 2014-08-14 09:38:23 +08:00
Kconfig net: netprio: rename config to be more consistent with cgroup configs 2014-01-03 23:41:42 +01:00
Makefile net: move 6lowpan compression code to separate module 2014-01-15 15:36:38 -08:00
nonet.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-03-13 20:38:36 -07:00
sysctl_net.c net: Update the sysctl permissions handler to test effective uid/gid 2013-10-07 15:57:56 -04:00