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ef01578615
linux/include/net
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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
..
bluetooth [NET]: Store skb->timestamp as offset to a base timestamp 2005-08-29 15:58:24 -07:00
irda [NET]: Transform skb_queue_len() binary tests into skb_queue_empty() 2005-07-08 14:57:23 -07:00
sctp [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
tc_act [PKT_SCHED]: Introduce simple actions. 2005-04-24 20:10:16 -07:00
act_api.h [NET]: Kill skb->tc_classid 2005-08-29 15:31:18 -07:00
act_generic.h [PKT_SCHED]: Fixup simple action define. 2005-05-19 12:42:39 -07:00
addrconf.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
af_unix.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
ah.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
arp.h [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
atmclip.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ax25.h [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
checksum.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
compat.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
datalink.h [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
dn_dev.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_fib.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_neigh.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_nsp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn_route.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dn.h [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
dsfield.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dst.h [NET]: Shave sizeof(ptr) bytes off dst_entry 2005-04-19 20:46:37 -07:00
esp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
flow.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
gen_stats.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
icmp.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
ieee80211.h [PATCH] ieee80211.h build fix 2005-06-28 22:45:32 -07:00
if_inet6.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inet6_hashtables.h [INET6_HASHTABLES]: Move inet6_lookup functions to net/ipv6/inet6_hashtables.c 2005-08-29 15:57:29 -07:00
inet_common.h [INET]: Move the TCP hashtable functions/structs to inet_hashtables.[ch] 2005-08-29 15:38:39 -07:00
inet_connection_sock.h [INET]: compile errors when DEBUG is defined 2005-08-29 22:51:28 -07:00
inet_ecn.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
inet_hashtables.h [ICSK]: Generalise tcp_listen_{start,stop} 2005-08-29 15:49:24 -07:00
inet_timewait_sock.h [TIMEWAIT]: Move inet_timewait_death_row routines to net/ipv4/inet_timewait_sock.c 2005-08-29 15:55:58 -07:00
inetpeer.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip6_checksum.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip6_fib.h [IPV6]: V6 route events reported with wrong netlink PID and seq number 2005-06-21 13:51:04 -07:00
ip6_route.h [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
ip6_tunnel.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip_fib.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
ip_mp_alg.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ip_vs.h [IPVS]: "extern inline" -> "static inline" 2005-09-01 17:40:26 -07:00
ip.h [IP]: Introduce ip_options_get_from_user 2005-08-29 16:01:39 -07:00
ipcomp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipconfig.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipip.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipv6.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
ipx.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iw_handler.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
lapb.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_c_ac.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_c_ev.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_c_st.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_conn.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_if.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_pdu.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_s_ac.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_s_ev.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_s_st.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc_sap.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
llc.h [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
ndisc.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
neighbour.h [NET]: Store skb->timestamp as offset to a base timestamp 2005-08-29 15:58:24 -07:00
netrom.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
p8022.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
pkt_act.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pkt_cls.h [NET]: Remove explicit initializations of skb->input_dev 2005-08-29 15:33:26 -07:00
pkt_sched.h [PKT_SCHED]: Cleanup qdisc creation and alignment macros 2005-07-05 14:15:09 -07:00
protocol.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
psnap.h [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
raw.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
rawv6.h [IPV4/6]: Check if packet was actually delivered to a raw socket to decide whether to send an ICMP unreachable 2005-08-29 15:37:22 -07:00
request_sock.h [ICSK]: Move generalised functions from tcp to inet_connection_sock 2005-08-29 15:49:50 -07:00
rose.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
route.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
sch_generic.h [PKT_SCHED]: Cleanup qdisc creation and alignment macros 2005-07-05 14:15:09 -07:00
scm.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
slhc_vj.h [NET]: Remove __ARGS from include/net/slhc_vj.h 2005-07-05 15:12:04 -07:00
snmp.h [PATCH] smp_processor_id() cleanup 2005-06-21 18:46:13 -07:00
sock.h [TCP]: Fix sk_forward_alloc underflow in tcp_sendmsg 2005-09-01 17:48:59 -07:00
syncppp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tcp_ecn.h [NET]: Introduce inet_connection_sock 2005-08-29 15:43:19 -07:00
tcp_states.h [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
tcp.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
transp_v6.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
udp.h [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
x25.h [NET]: Kill skb->real_dev 2005-08-29 15:32:25 -07:00
x25device.h [NET]: Remove explicit initializations of skb->input_dev 2005-08-29 15:33:26 -07:00
xfrm.h [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00