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Chuck Lever 776bd5c7a2 SUNRPC: Don't flag empty RPCB_GETADDR reply as bogus 
In 2007, commit e65fe3976f added
additional sanity checking to rpcb_decode_getaddr() to make sure we
were getting a reply that was long enough to be an actual universal
address.  If the uaddr string isn't long enough, the XDR decoder
returns EIO.

However, an empty string is a valid RPCB_GETADDR response if the
requested service isn't registered.  Moreover, "::.n.m" is also a
valid RPCB_GETADDR response for IPv6 addresses that is shorter
than rpcb_decode_getaddr()'s lower limit of 11.  So this sanity
check introduced a regression for rpcbind requests against IPv6
remotes.

So revert the lower bound check added by commit
e65fe3976f, and add an explicit check
for an empty uaddr string, similar to libtirpc's rpcb_getaddr(3).

Pointed-out-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-03-28 15:52:08 -04:00
..
9p 9p: fix endian issues [attempt 3] 2009-02-06 22:07:41 -08:00
802 net: fix tokenring license 2009-03-03 23:48:50 -08:00
8021q vlan: Fix vlan-in-vlan crashes. 2009-03-04 23:46:25 -08:00
appletalk appletalk: convert aarp to net_device_ops 2009-01-07 17:21:44 -08:00
atm netdevice: Kill netdev->priv 2008-12-08 01:14:16 -08:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2008-12-28 12:49:40 -08:00
bluetooth bluetooth: driver API update 2009-01-07 17:23:17 -08:00
bridge bridge: Fix LRO crash with tun 2009-02-09 15:07:18 -08:00
can can: fix slowpath issue in hrtimer callback function 2009-01-14 21:06:55 -08:00
core vlan: Fix vlan-in-vlan crashes. 2009-03-04 23:46:25 -08:00
dcb DCB: fix kfree(skb) 2009-01-04 17:29:21 -08:00
dccp dccp ccid-3: Fix RFC reference 2009-01-11 00:17:22 -08:00
decnet net: Make static 2008-12-10 15:18:31 -08:00
dsa dsa: convert to net_device_ops (v2) 2009-01-06 16:45:26 -08:00
econet netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
ethernet eth: Declare an optimized compare_ether_addr_64bits() function 2008-11-23 23:24:32 -08:00
ipv4 tcp: Like icmp use register_pernet_subsys 2009-03-03 01:14:21 -08:00
ipv6 IPv6: add "disable" module parameter support to ipv6.ko 2009-03-04 03:19:08 -08:00
ipx net: '&' redux 2008-11-03 18:21:05 -08:00
irda tty: Fix an ircomm warning and note another bug 2009-01-02 10:19:43 -08:00
iucv s390: remove s390_root_dev_*() 2009-01-06 10:44:34 -08:00
key af_key: initialize xfrm encap_oa 2009-01-25 20:49:14 -08:00
lapb
llc net: remove redundant argument comments 2008-11-21 17:15:03 -08:00
mac80211 mac80211: restrict to AP in outgoing interface heuristic 2009-02-11 11:27:17 -05:00
netfilter netfilter: xt_recent: fix proc-file addition/removal of IPv4 addresses 2009-02-24 14:53:12 +01:00
netlabel netlabel: Update kernel configuration API 2008-12-31 12:54:11 -05:00
netlink netlink: invert error code in netlink_set_err() 2009-03-03 23:37:30 -08:00
netrom Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2008-12-28 12:49:40 -08:00
packet net: packet socket packet_lookup_frame fix 2009-02-01 01:53:29 -08:00
phonet Phonet: do not compute unused value 2009-02-10 17:14:50 -08:00
rfkill net/rfkill/rfkill.c: fix unused rfkill_led_trigger() warning 2009-01-04 17:11:24 -08:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2008-12-28 12:49:40 -08:00
rxrpc RxRPC: Fix a potential NULL dereference 2009-02-06 21:50:52 -08:00
sched pkt_sched: act_police: Fix a rate estimator test. 2009-03-04 17:38:10 -08:00
sctp SCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails 2009-03-04 03:20:26 -08:00
sunrpc SUNRPC: Don't flag empty RPCB_GETADDR reply as bogus 2009-03-28 15:52:08 -04:00
tipc net/tipc/bcast.h: use ARRAY_SIZE 2009-01-11 00:06:33 -08:00
unix introduce new LSM hooks where vfsmount is available. 2008-12-31 18:07:37 -05:00
wanrouter netdevice wanrouter: Convert directly reference of netdev->priv 2008-11-20 04:26:21 -08:00
wimax wimax: fix oops in wimax_dev_get_by_genl_info() when looking up non-wimax iface 2009-02-12 17:00:20 -08:00
wireless cfg80211: test before subtraction on unsigned 2009-03-06 15:54:32 -05:00
x25 net: '&' redux 2008-11-03 18:21:05 -08:00
xfrm Revert "xfrm: For 32/64 compatability wrt. xfrm_usersa_info" 2009-01-20 09:49:51 -08:00
compat.c reintroduce accept4 2008-11-19 18:49:57 -08:00
Kconfig net: Move config NET_NS to from net/Kconfig to init/Kconfig 2009-01-26 12:25:55 -08:00
Makefile wimax: Makefile, Kconfig and docbook linkage for the stack 2009-01-07 10:00:17 -08:00
nonet.c
socket.c [CVE-2009-0029] System call wrappers part 22 2009-01-14 14:15:27 +01:00
sysctl_net.c missing bits of net-namespace / sysctl 2008-07-27 09:45:34 -07:00
TUNABLE