Ilpo Järvinen 45e77d3145 tcp: fix crash in tcp_xmit_retransmit_queue ... It can happen that there are no packets in queue while calling tcp_xmit_retransmit_queue(). tcp_write_queue_head() then returns NULL and that gets deref'ed to get sacked into a local var. There is no work to do if no packets are outstanding so we just exit early. This oops was introduced by 08ebd1721a (tcp: remove tp->lost_out guard to make joining diff nicer). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Reported-by: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de> Tested-by: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de> Signed-off-by: David S. Miller <davem@davemloft.net>		2010-07-19 12:43:49 -07:00
..
netfilter	netfilter: xtables: stackptr should be percpu	2010-05-31 16:41:35 +02:00
Kconfig	syncookies: remove Kconfig text line about disabled-by-default	2010-06-04 15:56:01 -07:00
Makefile	…
af_inet.c	net: reserve ports for applications using fixed port numbers	2010-05-15 23:28:40 -07:00
ah4.c	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
arp.c	net: Use ip_route_input_noref() in input path	2010-05-17 17:18:51 -07:00
cipso_ipv4.c	net: Remove unnecessary returns from void function()s	2010-05-17 23:23:14 -07:00
datagram.c	…
devinet.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-04-11 14:53:53 -07:00
esp4.c	xfrm: SA lookups signature with mark	2010-02-22 16:20:22 -08:00
fib_frontend.c	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
fib_hash.c	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
fib_lookup.h	…
fib_rules.c	net: rtnetlink: decouple rtnetlink address families from real address families	2010-04-26 16:13:54 +02:00
fib_semantics.c	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
fib_trie.c	net: Remove unnecessary returns from void function()s	2010-05-17 23:23:14 -07:00
icmp.c	net: add a noref bit on skb dst	2010-05-17 17:18:50 -07:00
igmp.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-04-11 14:53:53 -07:00
inet_connection_sock.c	net: reserve ports for applications using fixed port numbers	2010-05-15 23:28:40 -07:00
inet_diag.c	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
inet_fragment.c	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
inet_hashtables.c	net: reserve ports for applications using fixed port numbers	2010-05-15 23:28:40 -07:00
inet_lro.c	net/ipv4: Move && and || to end of previous line	2009-11-23 10:41:23 -08:00
inet_timewait_sock.c	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
inetpeer.c	…
ip_forward.c	Merge branch 'master' of /repos/git/net-next-2.6	2010-04-20 16:02:01 +02:00
ip_fragment.c	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
ip_gre.c	net: Remove unnecessary returns from void function()s	2010-05-17 23:23:14 -07:00
ip_input.c	net: Use ip_route_input_noref() in input path	2010-05-17 17:18:51 -07:00
ip_options.c	net: Remove unnecessary returns from void function()s	2010-05-17 23:23:14 -07:00
ip_output.c	udp: Fix bogus UFO packet generation	2010-06-21 13:57:34 -07:00
ip_sockglue.c	net: ip_queue_rcv_skb() helper	2010-04-28 15:31:51 -07:00
ipcomp.c	xfrm: SA lookups signature with mark	2010-02-22 16:20:22 -08:00
ipconfig.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-04-11 14:53:53 -07:00
ipip.c	net: Introduce skb_tunnel_rx() helper	2010-05-17 22:36:55 -07:00
ipmr.c	ipmr: Don't leak memory if fib lookup fails.	2010-07-15 22:38:43 -07:00
netfilter.c	net: add a noref bit on skb dst	2010-05-17 17:18:50 -07:00
proc.c	tcp: Add SNMP counter for DEFER_ACCEPT	2010-03-21 18:31:35 -07:00
protocol.c	…
raw.c	Merge branch 'master' of /repos/git/net-next-2.6	2010-05-10 18:39:28 +02:00
route.c	net: implements ip_route_input_noref()	2010-05-17 17:18:51 -07:00
syncookies.c	tcp: use correct net ns in cookie_v4_check()	2010-06-04 15:56:03 -07:00
sysctl_net_ipv4.c	net: reserve ports for applications using fixed port numbers	2010-05-15 23:28:40 -07:00
tcp.c	rfs: call sock_rps_record_flow() in tcp_splice_read()	2010-07-14 14:45:15 -07:00
tcp_bic.c	…
tcp_cong.c	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
tcp_cubic.c	…
tcp_diag.c	tcp: diag: Dont report negative values for rx queue	2009-12-03 16:06:13 -08:00
tcp_highspeed.c	…
tcp_htcp.c	net/ipv4: Move && and || to end of previous line	2009-11-23 10:41:23 -08:00
tcp_hybla.c	TCP: tcp_hybla: Fix integer overflow in slow start increment	2010-06-02 07:15:48 -07:00
tcp_illinois.c	…
tcp_input.c	net/ipv4/tcp_input.c: fix compilation breakage when FASTRETRANS_DEBUG > 1	2010-05-31 23:52:39 -07:00
tcp_ipv4.c	rps: tcp: fix rps_sock_flow_table table updates	2010-06-04 15:56:02 -07:00
tcp_lp.c	net/ipv4: Move && and || to end of previous line	2009-11-23 10:41:23 -08:00
tcp_minisocks.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2010-04-11 14:53:53 -07:00
tcp_output.c	tcp: fix crash in tcp_xmit_retransmit_queue	2010-07-19 12:43:49 -07:00
tcp_probe.c	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
tcp_scalable.c	…
tcp_timer.c	TCP: avoid to send keepalive probes if receiving data	2010-04-27 12:53:25 -07:00
tcp_vegas.c	…
tcp_vegas.h	…
tcp_veno.c	net/ipv4: Move && and || to end of previous line	2009-11-23 10:41:23 -08:00
tcp_westwood.c	…
tcp_yeah.c	net/ipv4: Move && and || to end of previous line	2009-11-23 10:41:23 -08:00
tunnel4.c	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
udp.c	net: sock_queue_err_skb() dont mess with sk_forward_alloc	2010-05-31 23:44:05 -07:00
udp_impl.h	…
udplite.c	net: spread __net_init, __net_exit	2010-01-17 19:16:02 -08:00
xfrm4_input.c	net: Use ip_route_input_noref() in input path	2010-05-17 17:18:51 -07:00
xfrm4_mode_beet.c	…
xfrm4_mode_transport.c	…
xfrm4_mode_tunnel.c	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
xfrm4_output.c	netfilter: ipv4: use NFPROTO values for NF_HOOK invocation	2010-03-25 16:00:30 +01:00
xfrm4_policy.c	xfrm: fix xfrm by MARK logic	2010-07-04 11:46:07 -07:00
xfrm4_state.c	…
xfrm4_tunnel.c	…