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linux/net
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Herbert Xu 92964c79b3 netlink: Fix dump skb leak/double free 
When we free cb->skb after a dump, we do it after releasing the
lock.  This means that a new dump could have started in the time
being and we'll end up freeing their skb instead of ours.

This patch saves the skb and module before we unlock so we free
the right memory.

Fixes: 16b304f340 ("netlink: Eliminate kmalloc in netlink dump operation.")
Reported-by: Baozeng Ding <sploving1@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-16 22:05:15 -04:00
..
6lowpan 6lowpan: move mac802154 header 2016-04-13 10:41:10 +02:00
9p net/9p: convert to new CQ API 2016-03-10 20:54:09 -05:00
802
8021q vlan: propagate gso_max_segs 2016-03-17 21:05:01 -04:00
appletalk appletalk: fix erroneous return value 2016-02-18 14:59:34 -05:00
atm treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
ax25 ax25: add link layer header validation function 2016-03-09 22:13:01 -05:00
batman-adv batman-adv: use batadv_compare_eth when possible 2016-05-10 18:28:54 +08:00
bluetooth Bluetooth: fix power_on vs close race 2016-05-13 16:50:23 +02:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
caif net: caif: fix misleading indentation 2016-03-14 13:09:50 -04:00
can sock: enable timestamping using control messages 2016-04-04 15:50:30 -04:00
ceph libceph: make authorizer destruction independent of ceph_auth_client 2016-04-25 20:54:13 +02:00
core net: also make sch_handle_egress() drop monitor ready 2016-05-16 14:02:44 -04:00
dcb
dccp dccp: do not assume DCCP code is non preemptible 2016-05-02 17:02:25 -04:00
decnet decnet: Do not build routes to devices without decnet private data. 2016-04-10 23:01:30 -04:00
dns_resolver
dsa dsa: Rename switch chip data to cd 2016-05-11 19:36:28 -04:00
ethernet eth: Pull header from first fragment via eth_get_headlen 2016-02-24 13:58:05 -05:00
hsr net/hsr: Use setup_timer and mod_timer. 2016-05-16 14:00:43 -04:00
ieee802154 Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2016-04-26 13:15:56 -04:00
ipv4 tcp: minor optimizations around tcp_hdr() usage 2016-05-16 13:46:23 -04:00
ipv6 tcp: minor optimizations around tcp_hdr() usage 2016-05-16 13:46:23 -04:00
ipx
irda treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
iucv
kcm kcm: Add receive message timeout 2016-03-09 16:36:15 -05:00
key
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-04 00:52:29 -04:00
l3mdev net: l3mdev: Allow send on enslaved interface 2016-05-09 22:33:52 -04:00
lapb
llc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
mac80211 Some more work for 4.7, notably: 2016-05-12 11:46:58 -04:00
mac802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-03-19 10:05:34 -07:00
mpls GSO: Add GSO type for fixed IPv4 ID 2016-04-14 16:23:40 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-15 13:32:48 -04:00
netlabel netlabel: do not initialise statics to NULL 2016-03-07 11:08:26 -05:00
netlink netlink: Fix dump skb leak/double free 2016-05-16 22:05:15 -04:00
netrom
nfc nfc: nci: Add nci_nfcc_loopback to the nci core 2016-05-04 01:48:16 +02:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-15 13:32:48 -04:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-04-23 18:51:33 -04:00
phonet
qrtr net: qrtr: fix build problems 2016-05-16 13:44:58 -04:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-04 00:52:29 -04:00
rfkill rfkill: Use switch to demux userspace operations 2016-04-05 10:48:53 +02:00
rose
rxrpc net: udp: rename UDP_INC_STATS_BH() 2016-04-27 22:48:23 -04:00
sched fq_codel: fix memory limitation drift 2016-05-16 21:54:24 -04:00
sctp sctp: prepare for socket backlog behavior change 2016-05-02 17:02:26 -04:00
sunrpc sunrpc: set SOCK_FASYNC 2016-05-13 01:43:52 -04:00
switchdev net: switchdev: Drop EXPERIMENTAL from description 2016-05-14 17:06:37 -04:00
tipc tipc: check nl sock before parsing nested attributes 2016-05-16 21:58:54 -04:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-23 00:09:14 -05:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
wimax
wireless cfg80211: make wdev_list accessible to drivers 2016-05-12 11:16:40 +02:00
x25 net: fix a kernel infoleak in x25 module 2016-05-09 22:45:33 -04:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-05-09 15:59:24 -04:00
compat.c
Kconfig bpf: add generic constant blinding for use in jits 2016-05-16 13:49:32 -04:00
Makefile net: Add Qualcomm IPC router 2016-05-08 23:46:14 -04:00
socket.c tcp: remove SKBTX_ACK_TSTAMP since it is redundant 2016-04-28 16:06:10 -04:00
sysctl_net.c