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Ralf Baechle be639ac690 NET: AX.25: Check ioctl arguments to avoid overflows further down the road. 
Very large, nonsenical arguments or use in very extreme conditions could
result in integer overflows.  Check ioctls arguments to avoid such
overflows and return -EINVAL for too large arguments.

To allow the use of AX.25 for even the most extreme setup (think packet
radio to the Phase 5E mars probe) we make no further attempt to clamp the
argument range.

Originally reported by Fan Long <longfancn@gmail.com> and a first patch
was sent by Xi Wang <xi.wang@gmail.com>.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Xi Wang <xi.wang@gmail.com>
Cc: Joerg Reuter <jreuter@yaina.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Thomas Osterried <thomas@osterried.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-29 00:23:12 -05:00
..
9p
802
8021q
appletalk
atm atm: eliminate atm_guess_pdu2truesize() 2011-11-26 16:40:30 -05:00
ax25 NET: AX.25: Check ioctl arguments to avoid overflows further down the road. 2011-11-29 00:23:12 -05:00
batman-adv batman-adv: Fix range check for expected packets 2011-11-20 13:08:35 +01:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2011-11-22 14:05:46 -05:00
bridge net: remove ipv6_addr_copy() 2011-11-22 16:43:32 -05:00
caif caif: fix endian conversion in cffrml_transmit() 2011-11-21 16:46:24 -05:00
can
ceph
core net: use skb_flow_dissect() in __skb_get_rxhash() 2011-11-28 19:09:07 -05:00
dcb
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-11-26 14:47:03 -05:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-11-26 14:47:03 -05:00
dns_resolver
dsa dsa: Move switch drivers to new directory drivers/net/dsa 2011-11-29 00:21:36 -05:00
econet net: Remove all uses of LL_ALLOCATED_SPACE 2011-11-18 14:37:09 -05:00
ethernet
ieee802154 net: Remove all uses of LL_ALLOCATED_SPACE 2011-11-18 14:37:09 -05:00
ipv4 tcp: tcp_sendmsg() wrong access to sk_route_caps 2011-11-28 18:58:24 -05:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-11-26 14:47:03 -05:00
ipx
irda irttp: Use kmemdup rather than duplicating its implementation 2011-11-21 15:02:17 -05:00
iucv
key net: remove ipv6_addr_copy() 2011-11-22 16:43:32 -05:00
l2tp
lapb
llc
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2011-11-28 14:11:18 -05:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-11-26 14:47:03 -05:00
netlabel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-11-26 14:47:03 -05:00
netlink
netrom
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2011-11-22 14:05:46 -05:00
packet packet: Add needed_tailroom to packet_sendmsg_spkt 2011-11-18 14:37:10 -05:00
phonet Phonet: set the pipe handle using setsockopt 2011-11-18 14:37:40 -05:00
rds
rfkill Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2011-11-22 14:05:46 -05:00
rose
rxrpc RxRPC: Use kmemdup rather than duplicating its implementation 2011-11-21 15:02:36 -05:00
sched sch_sfb: use skb_flow_dissect() 2011-11-28 19:09:28 -05:00
sctp net: remove ipv6_addr_copy() 2011-11-22 16:43:32 -05:00
sunrpc net: remove ipv6_addr_copy() 2011-11-22 16:43:32 -05:00
tipc
unix
wanrouter
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2011-11-28 14:11:18 -05:00
x25
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-11-26 14:47:03 -05:00
compat.c
Kconfig net: add network priority cgroup infrastructure (v4) 2011-11-22 15:22:23 -05:00
Makefile
nonet.c
socket.c net: add network priority cgroup infrastructure (v4) 2011-11-22 15:22:23 -05:00
sysctl_net.c