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35f432a03e41d3bf08c51ede917f94e2288fbe8c
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Johannes Berg 35f432a03e mac80211: initialize fast-xmit 'info' later 
In ieee80211_xmit_fast(), 'info' is initialized to point to the skb
that's passed in, but that skb may later be replaced by a clone (if
it was shared), leading to an invalid pointer.

This can lead to use-after-free and also later crashes since the
real SKB's info->hw_queue doesn't get initialized properly.

Fix this by assigning info only later, when it's needed, after the
skb replacement (may have) happened.

Cc: stable@vger.kernel.org
Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-01-02 11:28:25 +01:00
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6lowpan
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9p
…
802
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
8021q
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
appletalk
…
atm
net: atm: Fix warnings in net/atm/lec.c when !CONFIG_PROC_FS
2016-12-28 15:11:32 -05:00
ax25
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
batman-adv
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-06 21:33:19 -05:00
bluetooth
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-12-16 10:24:44 -08:00
bridge
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
caif
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-06 21:33:19 -05:00
can
ktime: Cleanup ktime_set() usage
2016-12-25 17:21:22 +01:00
ceph
libceph: remove now unused finish_request() wrapper
2016-12-14 22:39:08 +01:00
core
drop_monitor: add missing call to genlmsg_end
2017-01-01 22:00:26 -05:00
dcb
net: dcb: set error code on failures
2016-12-03 23:54:25 -05:00
dccp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-03 12:29:53 -05:00
decnet
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
dns_resolver
…
dsa
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-03 12:29:53 -05:00
ethernet
net: make default TX queue length a defined constant
2016-11-07 20:15:55 -05:00
hsr
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-10-30 12:42:58 -04:00
ieee802154
Makefile: drop -D__CHECK_ENDIAN__ from cflags
2016-12-16 00:13:43 +02:00
ipv4
net: ipv4: dst for local input routes should use l3mdev if relevant
2016-12-29 22:27:23 -05:00
ipv6
ipv6: Should use consistent conditional judgement for ip6 fragment between __ip6_append_data and ip6_finish_output
2016-12-29 11:55:17 -05:00
ipx
ktime: Get rid of the union
2016-12-25 17:21:22 +01:00
irda
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
iucv
Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-12-12 19:25:04 -08:00
kcm
Merge branch 'work.splice_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-07 15:36:58 -07:00
key
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
l2tp
l2tp: take remote address into account in l2tp_ip and l2tp_ip6 socket lookups
2017-01-01 22:07:20 -05:00
l3mdev
…
lapb
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
llc
net: fix sleeping for sk_wait_event()
2016-11-14 13:17:21 -05:00
mac80211
mac80211: initialize fast-xmit 'info' later
2017-01-02 11:28:25 +01:00
mac802154
ktime: Cleanup ktime_set() usage
2016-12-25 17:21:22 +01:00
mpls
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-06 21:33:19 -05:00
ncsi
net/ncsi: Improve HNCDSC AEN handler
2016-10-20 11:23:08 -04:00
netfilter
ktime: Get rid of the union
2016-12-25 17:21:22 +01:00
netlabel
genetlink: mark families as __ro_after_init
2016-10-27 16:16:09 -04:00
netlink
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
netrom
…
nfc
genetlink: mark families as __ro_after_init
2016-10-27 16:16:09 -04:00
openvswitch
openvswitch: upcall: Fix vlan handling.
2016-12-27 12:28:07 -05:00
packet
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
phonet
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
qrtr
…
rds
RDS: use rb_entry()
2016-12-20 14:22:49 -05:00
rfkill
…
rose
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
rxrpc
rxrpc: abstract away knowledge of IDR internals
2016-12-14 16:04:10 -08:00
sched
net/sched: cls_flower: Fix missing addr_type in classify
2016-12-28 14:28:13 -05:00
sctp
ktime: Cleanup ktime_set() usage
2016-12-25 17:21:22 +01:00
strparser
strparser: Propagate correct error code in strp_recv()
2016-10-12 01:51:49 -04:00
sunrpc
ktime: Get rid of the union
2016-12-25 17:21:22 +01:00
switchdev
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-10-30 12:42:58 -04:00
tipc
tipc: don't send FIN message from connectionless socket
2016-12-23 17:53:47 -05:00
unix
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
vmw_vsock
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-17 20:17:04 -08:00
wimax
genetlink: mark families as __ro_after_init
2016-10-27 16:16:09 -04:00
wireless
Makefile: drop -D__CHECK_ENDIAN__ from cflags
2016-12-16 00:13:43 +02:00
x25
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
xfrm
ktime: Cleanup ktime_set() usage
2016-12-25 17:21:22 +01:00
compat.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
Kconfig
bpf: BPF for lightweight tunnel infrastructure
2016-12-02 10:51:49 -05:00
Makefile
…
socket.c
net: socket: don't set sk_uid to garbage value in ->setattr()
2017-01-01 11:53:34 -05:00
sysctl_net.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-10-06 09:52:23 -07:00