Ilpo Järvinen dc6330590f tcp: fix crash in tcp_xmit_retransmit_queue ... commit 45e77d3145 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		2010-08-02 10:20:53 -07:00
..
netfilter	netfilter: nf_conntrack: fix hash resizing with namespaces	2010-02-23 07:37:53 -08:00
af_inet.c	net: Use sk_mark for routing lookup in more places	2009-10-01 15:16:49 -07:00
ah4.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
arp.c	net: make neigh_ops constant	2009-09-01 17:40:57 -07:00
cipso_ipv4.c
datagram.c
devinet.c	net: Fix sysctl restarts...	2010-03-15 08:49:38 -07:00
esp4.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
fib_frontend.c	net: restore ip source validation	2010-02-09 04:50:55 -08:00
fib_hash.c
fib_lookup.h
fib_rules.c
fib_semantics.c
fib_trie.c	fib_trie: resize rework	2009-08-28 23:57:15 -07:00
icmp.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
igmp.c	inet: Remove bogus IGMPv3 report handling	2010-03-15 08:49:39 -07:00
inet_connection_sock.c	tcp: reduce SYN-ACK retrans for TCP_DEFER_ACCEPT	2009-10-19 19:19:03 -07:00
inet_diag.c
inet_fragment.c
inet_hashtables.c
inet_lro.c
inet_timewait_sock.c	tcp: fix premature termination of FIN_WAIT2 time-wait sockets	2009-08-29 00:00:35 -07:00
inetpeer.c
ip_forward.c
ip_fragment.c	ipv4: additional update of dev_net(dev) to struct *net in ip_fragment.c, NULL ptr OOPS	2009-11-29 23:02:22 -08:00
ip_gre.c	gre: Fix dev_addr clobbering for gretap	2009-10-30 12:28:07 -07:00
ip_input.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
ip_options.c
ip_output.c	ip_fragment: also adjust skb->truesize for packets not owned by a socket	2009-12-18 14:05:05 -08:00
ip_sockglue.c	net: Fix IP_MULTICAST_IF	2009-10-19 21:34:20 -07:00
ipcomp.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
ipconfig.c
ipip.c	ipip: Fix handling of DF packets when pmtudisc is OFF	2009-11-06 20:33:40 -08:00
ipmr.c	ipmr: missing dev_put() on error path in vif_add()	2009-11-13 19:56:54 -08:00
Kconfig
Makefile
netfilter.c
proc.c
protocol.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
raw.c	AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2)	2009-10-29 01:09:58 -07:00
route.c	net: Fix RPF to work with policy routing	2009-10-29 22:49:12 -07:00
syncookies.c
sysctl_net_ipv4.c	sysctl: remove "struct file *" argument of ->proc_handler	2009-09-24 07:21:04 -07:00
tcp_bic.c
tcp_cong.c
tcp_cubic.c
tcp_diag.c
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c	tcp: fix ICMP-RTO war	2010-04-26 07:41:34 -07:00
tcp_ipv4.c	tcp: fix ssthresh u16 leftover	2009-09-15 01:30:10 -07:00
tcp_lp.c
tcp_minisocks.c	tcp: accept socket after TCP_DEFER_ACCEPT period	2009-10-19 19:19:01 -07:00
tcp_output.c	tcp: fix crash in tcp_xmit_retransmit_queue	2010-08-02 10:20:53 -07:00
tcp_probe.c
tcp_scalable.c
tcp_timer.c	Revert Backoff [v3]: Calculate TCP's connection close threshold as a time value.	2009-09-01 02:45:47 -07:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c	tcp: provide more information on the tcp receive_queue bugs	2009-11-13 13:56:33 -08:00
tunnel4.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
udp_impl.h	net: Make setsockopt() optlen be unsigned.	2009-09-30 16:12:20 -07:00
udp.c	ipv4: udp: fix short packet and bad checksum logging	2010-05-26 14:29:13 -07:00
udplite.c	net: constify struct net_protocol	2009-09-14 17:03:01 -07:00
xfrm4_input.c
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c
xfrm4_output.c
xfrm4_policy.c
xfrm4_state.c
xfrm4_tunnel.c