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linux/net
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Dan Carpenter db31c55a6f net: clamp ->msg_namelen instead of returning an error 
If kmsg->msg_namelen > sizeof(struct sockaddr_storage) then in the
original code that would lead to memory corruption in the kernel if you
had audit configured.  If you didn't have audit configured it was
harmless.

There are some programs such as beta versions of Ruby which use too
large of a buffer and returning an error code breaks them.  We should
clamp the ->msg_namelen value instead.

Fixes: 1661bf364a ("net: heap overflow in __audit_sockaddr()")
Reported-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Eric Wong <normalperson@yhbt.net>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-11-29 16:12:52 -05:00
..
9p Nothing really exciting: some groundwork for changing virtio endian, and 2013-11-15 13:28:47 +09:00
802 mrp: add periodictimer to allow retries when packets get lost 2013-09-23 16:53:52 -04:00
8021q Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-11-14 16:30:30 +09:00
appletalk net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
atm net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
ax25 net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
batman-adv batman-adv: generalize batman-adv icmp packet handling 2013-10-23 17:03:47 +02:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2013-11-21 10:26:17 -05:00
bridge Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2013-11-21 12:44:15 -05:00
caif net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
can Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-11-15 16:47:22 -08:00
ceph net: 8021q/bluetooth/bridge/can/ceph: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
core gso: handle new frag_list of frags GRO packets 2013-11-21 14:11:50 -05:00
dcb
dccp ipv4: introduce new IP_MTU_DISCOVER mode IP_PMTUDISC_INTERFACE 2013-11-05 21:52:27 -05:00
decnet netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
dns_resolver net: strict_strtoul is obsolete, use kstrtoul instead 2013-07-12 16:09:14 -07:00
dsa net: dsa: inherit addr_assign_type along with dev_addr 2013-09-03 20:57:49 -04:00
ethernet ethernet: use likely() for common Ethernet encap 2013-09-30 21:52:53 -07:00
hsr genetlink: make multicast groups const, prevent abuse 2013-11-19 16:39:06 -05:00
ieee802154 genetlink: make multicast groups const, prevent abuse 2013-11-19 16:39:06 -05:00
ipv4 net: remove outdated comment for ipv4 and ipv6 protocol handler 2013-11-28 18:47:51 -05:00
ipv6 net: remove outdated comment for ipv4 and ipv6 protocol handler 2013-11-28 18:47:51 -05:00
ipx net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
irda net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
iucv net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
key net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
l2tp inet: fix addr_len/msg->msg_namelen assignment in recv_error and rxpmtu functions 2013-11-23 14:46:23 -08:00
lapb net/lapb: re-send packets on timeout 2013-09-23 16:52:45 -04:00
llc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-11-08 09:03:10 -05:00
mac802154 6lowpan: set and use mac_len for mac header length 2013-10-30 17:18:46 -04:00
mpls ipip: add GSO/TSO support 2013-10-19 19:36:19 -04:00
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2013-11-21 12:44:15 -05:00
netlabel genetlink: only pass array to genl_register_family_with_ops() 2013-11-19 16:39:05 -05:00
netlink genetlink/pmcraid: use proper genetlink multicast API 2013-11-28 18:26:30 -05:00
netrom net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
nfc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
packet af_packet: block BH in prb_shutdown_retire_blk_timer() 2013-11-29 16:11:08 -05:00
phonet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
rds net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
rfkill net: rfkill: gpio: add ACPI support 2013-10-28 15:05:25 +01:00
rose net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
rxrpc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
sched sch_tbf: handle too small burst 2013-11-23 14:46:25 -08:00
sctp sctp: Restore 'resent' bit to avoid retransmitted chunks for RTT measurements 2013-11-28 18:29:58 -05:00
sunrpc NFS client bugfixes: 2013-11-16 13:14:56 -08:00
tipc net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
unix net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
vmw_vsock net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
wimax wimax: remove dead code 2013-11-21 13:09:42 -05:00
wireless genetlink: make multicast groups const, prevent abuse 2013-11-19 16:39:06 -05:00
x25 net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
xfrm net: move pskb_put() to core code 2013-11-07 19:28:58 -05:00
compat.c net: clamp ->msg_namelen instead of returning an error 2013-11-29 16:12:52 -05:00
Kconfig net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) 2013-11-03 23:20:14 -05:00
Makefile net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) 2013-11-03 23:20:14 -05:00
nonet.c
socket.c net: clamp ->msg_namelen instead of returning an error 2013-11-29 16:12:52 -05:00
sysctl_net.c net: Update the sysctl permissions handler to test effective uid/gid 2013-10-07 15:57:56 -04:00