Herbert Xu ef01578615 [TCP]: Fix sk_forward_alloc underflow in tcp_sendmsg ...

I've finally found a potential cause of the sk_forward_alloc underflows
that people have been reporting sporadically.

When tcp_sendmsg tacks on extra bits to an existing TCP_PAGE we don't
check sk_forward_alloc even though a large amount of time may have
elapsed since we allocated the page.  In the mean time someone could've
come along and liberated packets and reclaimed sk_forward_alloc memory.

This patch makes tcp_sendmsg check sk_forward_alloc every time as we
do in do_tcp_sendpages.
 
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

2005-09-01 17:48:59 -07:00

..

ipvs

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

netfilter

[NETFILTER]: CLUSTERIP: fix memcpy() length typo

2005-09-01 17:44:06 -07:00

af_inet.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

ah4.c

[CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL

2005-09-01 17:44:29 -07:00

arp.c

[NET]: Store skb->timestamp as offset to a base timestamp

2005-08-29 15:58:24 -07:00

datagram.c

[NET]: Fix sparse warnings

2005-08-29 16:01:32 -07:00

devinet.c

[NETLINK]: Convert netlink users to use group numbers instead of bitmasks

2005-08-29 16:00:54 -07:00

esp4.c

[CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL

2005-09-01 17:44:29 -07:00

fib_frontend.c

[NETLINK]: Add "groups" argument to netlink_kernel_create

2005-08-29 16:01:11 -07:00

fib_hash.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

fib_lookup.h

[IPV4]: Prepare FIB core for RCU.

2005-08-29 16:08:31 -07:00

fib_rules.c

[NETLINK]: Correctly set NLM_F_MULTI without checking the pid

2005-06-18 22:54:12 -07:00

fib_semantics.c

[IPV4]: Prepare FIB core for RCU.

2005-08-29 16:08:31 -07:00

fib_trie.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

icmp.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

igmp.c

[NET]: Make NETDEBUG pure printk wrappers

2005-08-29 15:56:08 -07:00

inet_connection_sock.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

inet_diag.c

[NETLINK]: Add "groups" argument to netlink_kernel_create

2005-08-29 16:01:11 -07:00

inet_hashtables.c

[NET]: Introduce inet_connection_sock

2005-08-29 15:43:19 -07:00

inet_timewait_sock.c

[TIMEWAIT]: Move inet_timewait_death_row routines to net/ipv4/inet_timewait_sock.c

2005-08-29 15:55:58 -07:00

inetpeer.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

ip_forward.c

[IPV4]: Remove some dead code from ip_forward()

2005-08-29 16:03:06 -07:00

ip_fragment.c

[NET]: Store skb->timestamp as offset to a base timestamp

2005-08-29 15:58:24 -07:00

ip_gre.c

[NET]: fix oops after tunnel module unload

2005-07-30 17:46:44 -07:00

ip_input.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

ip_options.c

[IP]: Introduce ip_options_get_from_user

2005-08-29 16:01:39 -07:00

ip_output.c

[IPV4]: ip_finish_output() can be inlined

2005-08-29 16:03:10 -07:00

ip_sockglue.c

[IP]: Introduce ip_options_get_from_user

2005-08-29 16:01:39 -07:00

ipcomp.c

[CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL

2005-09-01 17:44:29 -07:00

ipconfig.c

[NET]: Kill skb->real_dev

2005-08-29 15:32:25 -07:00

ipip.c

[NET]: fix oops after tunnel module unload

2005-07-30 17:46:44 -07:00

ipmr.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

Kconfig

[INET_DIAG]: Move the tcp_diag interface to the proper place

2005-08-29 15:57:54 -07:00

Makefile

[INET_DIAG]: Move the tcp_diag interface to the proper place

2005-08-29 15:57:54 -07:00

multipath_drr.c

[IPV4]: possible cleanups

2005-08-29 15:33:20 -07:00

multipath_random.c

[IPV4]: Multipath modules need a license to prevent kernel tainting.

2005-06-13 14:29:06 -07:00

multipath_rr.c

[IPV4]: Multipath modules need a license to prevent kernel tainting.

2005-06-13 14:29:06 -07:00

multipath_wrandom.c

[IPV4]: Multipath modules need a license to prevent kernel tainting.

2005-06-13 14:29:06 -07:00

multipath.c

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

netfilter.c

[NETFILTER]: Move reroute-after-queue code up to the nf_queue layer.

2005-08-29 15:36:19 -07:00

proc.c

[NET]: Fix sparse warnings

2005-08-29 16:01:32 -07:00

protocol.c

[TCP]: Move the tcp sock states to net/tcp_states.h

2005-08-29 15:41:54 -07:00

raw.c

[TCP]: Move the tcp sock states to net/tcp_states.h

2005-08-29 15:41:54 -07:00

route.c

[NET]: Export symbols needed by the current DCCP code

2005-08-29 15:49:35 -07:00

syncookies.c

[NET]: Fix sparse warnings

2005-08-29 16:01:32 -07:00

sysctl_net_ipv4.c

[NET]: Fix sparse warnings

2005-08-29 16:01:32 -07:00

tcp_bic.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_cong.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_diag.c

[INET_DIAG]: Move the tcp_diag interface to the proper place

2005-08-29 15:57:54 -07:00

tcp_highspeed.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_htcp.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_hybla.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_input.c

[NET]: Fix sparse warnings

2005-08-29 16:01:32 -07:00

tcp_ipv4.c

[NET]: Fix sparse warnings

2005-08-29 16:01:32 -07:00

tcp_minisocks.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_output.c

[NET]: Implement SKB fast cloning.

2005-08-29 16:01:54 -07:00

tcp_scalable.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_timer.c

[ICSK]: Move TCP congestion avoidance members to icsk

2005-08-29 15:56:18 -07:00

tcp_vegas.c

[INET_DIAG]: Rename tcp_diag.[ch] to inet_diag.[ch]

2005-08-29 15:57:48 -07:00

tcp_westwood.c

[INET_DIAG]: Rename tcp_diag.[ch] to inet_diag.[ch]

2005-08-29 15:57:48 -07:00

tcp.c

[TCP]: Fix sk_forward_alloc underflow in tcp_sendmsg

2005-09-01 17:48:59 -07:00

udp.c

[NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers

2005-08-29 16:11:18 -07:00

xfrm4_input.c

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

xfrm4_output.c

[IPSEC]: Add XFRM_STATE_NOPMTUDISC flag

2005-06-20 13:21:43 -07:00

xfrm4_policy.c

[IPSEC]: Store idev entries

2005-05-03 16:27:10 -07:00

xfrm4_state.c

[IPV4]: possible cleanups

2005-08-29 15:33:20 -07:00

xfrm4_tunnel.c

[NET]: Make ipip/ip6_tunnel independant of XFRM

2005-07-19 14:03:34 -07:00