linux/net
David L Stevens 5ab4a6c81e [IPV6] mcast: Fix multiple issues in MLDv2 reports.
The below "jumbo" patch fixes the following problems in MLDv2.

1) Add necessary "ntohs" to recent "pskb_may_pull" check [breaks
        all nonzero source queries on little-endian (!)]

2) Add locking to source filter list [resend of prior patch]

3) fix "mld_marksources()" to
        a) send nothing when all queried sources are excluded
        b) send full exclude report when source queried sources are
                not excluded
        c) don't schedule a timer when there's nothing to report

NOTE: RFC 3810 specifies the source list should be saved and each
  source reported individually as an IS_IN. This is an obvious DOS
  path, requiring the host to store and then multicast as many sources
  as are queried (e.g., millions...). This alternative sends a full, 
  relevant report that's limited to number of sources present on the
  machine.

4) fix "add_grec()" to send empty-source records when it should
        The original check doesn't account for a non-empty source
        list with all sources inactive; the new code keeps that
        short-circuit case, and also generates the group header
        with an empty list if needed.

5) fix mca_crcount decrement to be after add_grec(), which needs
        its original value

These issues (other than item #1 ;-) ) were all found by Yan Zheng,
much thanks!

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-12-27 14:03:00 -08:00
..
802 [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
8021q [VLAN]: Add two missing checks to vlan_ioctl_handler() 2005-12-21 18:39:49 -08:00
appletalk [APPLETALK]: Fix broadcast bug. 2005-09-27 16:11:29 -07:00
atm [ATM]: deregistration removes device from atm_devs list immediately 2005-11-29 16:16:41 -08:00
ax25 [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
bluetooth [Bluetooth]: Remove the usage of /proc completely 2005-11-08 09:57:38 -08:00
bridge [BR_NETFILTER]: Fix leak if skb traverses > 1 bridge 2005-12-26 17:27:10 -08:00
core [NET]: Validate socket filters against BPF_MAXINSNS in one spot. 2005-12-27 13:57:59 -08:00
dccp [DCCP]: Comment typo 2005-12-21 19:02:39 -08:00
decnet [DECNET]: add memory buffer settings 2005-12-05 13:42:06 -08:00
econet [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
ethernet [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
ieee80211 [PATCH] ieee80211_crypt_tkip depends on NET_RADIO 2005-12-12 23:59:28 -05:00
ipv4 [XFRM]: Handle DCCP in xfrm{4,6}_decode_session 2005-12-19 14:03:46 -08:00
ipv6 [IPV6] mcast: Fix multiple issues in MLDv2 reports. 2005-12-27 14:03:00 -08:00
ipx [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
irda [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
key [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
lapb [NET]: Kill skb->list 2005-08-29 15:31:14 -07:00
llc [LLC]: Fix compiler warnings introduced by TX window scaling changes. 2005-11-17 15:17:42 -08:00
netfilter [NETFILTER]: Wait for untracked references in nf_conntrack module unload 2005-12-05 13:36:50 -08:00
netlink [NETLINK]: Use tgid instead of pid for nlmsg_pid 2005-11-22 14:41:50 -08:00
netrom [NETROM]: Fix three if-statements in nr_state1_machine() 2005-12-21 18:38:26 -08:00
packet [AF_PACKET]: Convert PACKET_MMAP over to vm_insert_page(). 2005-12-06 16:38:35 -08:00
rose [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
rxrpc [NET]: Detect hardware rx checksum faults correctly 2005-11-10 13:01:24 -08:00
sched [PKT_SCHED]: Disable debug tracing logs by default in packet action API. 2005-12-13 22:59:50 -08:00
sctp [SCTP]: Fix sctp to not return erroneous POLLOUT events. 2005-12-19 14:24:40 -08:00
sunrpc SUNRPC: Fix "EPIPE" error on mount of rpcsec_gss-protected partitions 2005-12-19 23:12:21 -05:00
unix [PATCH] add a vfs_permission helper 2005-11-09 07:55:58 -08:00
wanrouter [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
x25 [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
xfrm [IPSEC]: Fix policy updates missed by sockets 2005-12-22 07:39:48 -08:00
compat.c [PATCH] Fix 32bit sendmsg() flaw 2005-09-08 08:14:11 -07:00
Kconfig [NETFILTER] move nfnetlink options to right location in kconfig menu 2005-09-17 00:41:21 -07:00
Makefile [NETFILTER]: link 'netfilter' before ipv4 2005-11-14 15:25:59 -08:00
nonet.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
socket.c [NET]: Fix module reference counts for loadable protocol modules 2005-09-27 15:23:38 -07:00
sysctl_net.c [NET]: Fix "sysctl_net.c:36: error: 'core_table' undeclared here" 2005-10-03 14:16:34 -07:00
TUNABLE Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00