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David S. Miller 7a1abd08d5 tcp: Increase TCP_MAXSEG socket option minimum. 
As noted by Steve Chen, since commit
f5fff5dc8a ("tcp: advertise MSS
requested by user") we can end up with a situation where
tcp_select_initial_window() does a divide by a zero (or
even negative) mss value.

The problem is that sometimes we effectively subtract
TCPOLEN_TSTAMP_ALIGNED and/or TCPOLEN_MD5SIG_ALIGNED from the mss.

Fix this by increasing the minimum from 8 to 64.

Reported-by: Steve Chen <schen@mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-10 21:35:37 -08:00
..
9p 9p: client code cleanup 2010-10-21 04:26:39 -07:00
802 net/802: add __rcu annotations 2010-10-25 13:09:44 -07:00
8021q vlan: rcu annotations 2010-10-25 13:09:43 -07:00
appletalk Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
ax25 net: ax25: fix information leak to userland 2010-11-10 10:14:33 -08:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
bridge bridge: Forward reserved group addresses if !STP 2010-10-21 04:25:48 -07:00
caif caif: Remove noisy printout when disconnecting caif socket 2010-11-03 18:50:04 -07:00
can can-raw: add msg_flags to distinguish local traffic 2010-10-21 04:27:03 -07:00
ceph ceph: fix num_pages_free accounting in pagelist 2010-10-20 15:38:23 -07:00
core net: avoid limits overflow 2010-11-10 12:12:00 -08:00
dcb include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
dccp dccp ccid-2: Stop polling 2010-10-28 10:27:01 -07:00
decnet net: avoid limits overflow 2010-11-10 12:12:00 -08:00
dns_resolver DNS: If the DNS server returns an error, allow that to be cached [ver #2] 2010-08-11 17:11:28 +00:00
dsa phylib: available for any speed ethernet 2010-08-11 23:03:50 -07:00
econet net: return operator cleanup 2010-09-23 14:33:39 -07:00
ethernet net: return operator cleanup 2010-09-23 14:33:39 -07:00
ieee802154 ieee802154: Fix possible NULL pointer dereference in wpan_phy_alloc 2010-05-23 23:11:07 -07:00
ipv4 tcp: Increase TCP_MAXSEG socket option minimum. 2010-11-10 21:35:37 -08:00
ipv6 ipv6: fix overlap check for fragments 2010-11-08 12:17:06 -08:00
ipx BKL: introduce CONFIG_BKL. 2010-10-21 15:44:13 +02:00
irda Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
iucv net: use __packed annotation 2010-06-03 03:21:52 -07:00
key net: return operator cleanup 2010-09-23 14:33:39 -07:00
l2tp l2tp: kzalloc with swapped params in l2tp_dfs_seq_open 2010-11-01 06:56:02 -07:00
lapb include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
llc net/llc: storing negative error codes in unsigned short 2010-09-16 22:38:23 -07:00
mac80211 mac80211: fix failure to check kmalloc return value in key_key_read 2010-10-29 14:33:26 -04:00
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6 2010-11-03 18:52:32 -07:00
netlabel net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
netlink netlink: fix netlink_change_ngroups() 2010-10-24 16:25:39 -07:00
netrom net: sk_sleep() helper 2010-04-20 16:37:13 -07:00
packet net: packet: fix information leak to userland 2010-11-10 12:09:10 -08:00
phonet phonet: remove the unused variable pn 2010-10-20 01:55:54 -07:00
rds rds: Fix rds message leak in rds_message_map_pages 2010-11-08 12:17:09 -08:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
rose Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-09-27 01:03:03 -07:00
rxrpc Add a dummy printk function for the maintenance of unused printks 2010-08-12 09:51:35 -07:00
sched classifier: report statistics for basic classifier 2010-11-08 12:17:05 -08:00
sctp net: avoid limits overflow 2010-11-10 12:12:00 -08:00
sunrpc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
tipc net: tipc: fix information leak to userland 2010-11-09 09:25:46 -08:00
unix AF_UNIX: Implement SO_TIMESTAMP and SO_TIMETAMPNS on Unix sockets 2010-10-05 14:54:36 -07:00
wanrouter fix printk typo 'faild' 2010-08-09 11:25:17 +02:00
wimax Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
wireless cfg80211: fix regression on processing country IEs 2010-10-25 14:43:14 -04:00
x25 memory corruption in X.25 facilities parsing 2010-11-03 18:50:50 -07:00
xfrm xfrm: make xfrm_bundle_ok local 2010-10-21 03:09:46 -07:00
compat.c net: Limit socket I/O iovec total length to INT_MAX. 2010-10-28 11:47:52 -07:00
Kconfig ceph: factor out libceph from Ceph file system 2010-10-20 15:37:28 -07:00
Makefile ceph: factor out libceph from Ceph file system 2010-10-20 15:37:28 -07:00
nonet.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
socket.c net: Truncate recvfrom and sendto length to INT_MAX. 2010-10-30 16:44:07 -07:00
sysctl_net.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
TUNABLE