Sabrina Dubroca dfbafc9953 tcp: fix recv with flags MSG_WAITALL | MSG_PEEK ...

Currently, tcp_recvmsg enters a busy loop in sk_wait_data if called
with flags = MSG_WAITALL | MSG_PEEK.

sk_wait_data waits for sk_receive_queue not empty, but in this case,
the receive queue is not empty, but does not contain any skb that we
can use.

Add a "last skb seen on receive queue" argument to sk_wait_data, so
that it sleeps until the receive queue has new skbs.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=99461
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=18493
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1205258
Reported-by: Enrico Scholz <rh-bugzilla@ensc.de>
Reported-by: Dan Searle <dan@censornet.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2015-07-27 01:06:53 -07:00

..

datagram.c

net: Fix skb csum races when peeking

2015-07-15 15:59:58 -07:00

dev_addr_lists.c

…

dev_ioctl.c

…

dev.c

net: call rcu_read_lock early in process_backlog

2015-07-10 18:16:36 -07:00

drop_monitor.c

…

dst.c

net: ratelimit warnings about dst entry refcount underflow or overflow

2015-07-21 00:11:19 -07:00

ethtool.c

net/ethtool: Add current supported tunable options

2015-06-11 00:36:37 -07:00

fib_rules.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-04-06 22:34:15 -04:00

filter.c

bpf: disallow bpf tc programs access current->pid,uid

2015-06-15 20:51:20 -07:00

flow_dissector.c

flow_dissector: Pre-initialize ip_proto in __skb_flow_dissect()

2015-06-28 16:53:54 -07:00

flow.c

flowcache: Fix kernel panic in flow_cache_flush_task

2015-02-05 14:38:53 -08:00

gen_estimator.c

net_sched: gen_estimator: extend pps limit

2015-07-08 13:59:20 -07:00

gen_stats.c

gen_stats.c: Duplicate xstats buffer for later use

2015-02-19 15:45:53 -05:00

link_watch.c

dev: introduce dev_get_iflink()

2015-04-02 14:04:59 -04:00

Makefile

net: bury net/core/iovec.c - nothing in there is used anymore

2015-02-04 01:34:15 -05:00

neighbour.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-06-24 02:58:51 -07:00

net_namespace.c

netns: make nsid_lock per net

2015-05-17 23:41:11 -04:00

net-procfs.c

…

net-sysfs.c

switchdev: don't use anonymous union on switchdev attr/obj structs

2015-05-13 14:20:59 -04:00

net-sysfs.h

…

net-traces.c

…

netclassid_cgroup.c

cgroup: net_cls: fix false-positive "suspicious RCU usage"

2015-07-25 00:13:18 -07:00

netevent.c

netevent: remove automatic variable in register_netevent_notifier()

2015-05-31 00:03:21 -07:00

netpoll.c

…

netprio_cgroup.c

…

pktgen.c

net: pktgen: kill the "Wait for kthread_stop" code in pktgen_thread_worker()

2015-07-09 15:05:32 -07:00

ptp_classifier.c

…

request_sock.c

net: convert syn_wait_lock to a spinlock

2015-03-23 16:52:26 -04:00

rtnetlink.c

rtnetlink: reject non-IFLA_VF_PORT attributes inside IFLA_VF_PORTS

2015-07-15 15:53:27 -07:00

scm.c

…

secure_seq.c

net: remove a sparse error in secure_dccpv6_sequence_number()

2015-05-25 22:55:37 -04:00

skbuff.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-06-13 23:56:52 -07:00

sock_diag.c

sock_diag: define destruction multicast groups

2015-06-15 19:49:22 -07:00

sock.c

tcp: fix recv with flags MSG_WAITALL | MSG_PEEK

2015-07-27 01:06:53 -07:00

stream.c

tcp: set SOCK_NOSPACE under memory pressure

2015-05-09 17:38:36 -04:00

sysctl_net_core.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-03-20 18:51:09 -04:00

timestamping.c

…

tso.c

…

utils.c

net: fix inet_proto_csum_replace4() sparse errors

2015-05-25 22:56:47 -04:00