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0ef707700f
linux/net
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Ken-ichirou MATSUZAWA 0ef707700f netlink: rx mmap: fix POLLIN condition 
Poll() returns immediately after setting the kernel current frame
(ring->head) to SKIP from user space even though there is no new
frame. And in a case of all frames is VALID, user space program
unintensionally sets (only) kernel current frame to UNUSED, then
calls poll(), it will not return immediately even though there are
VALID frames.

To avoid situations like above, I think we need to scan all frames
to find VALID frames at poll() like netlink_alloc_skb(),
netlink_forward_ring() finding an UNUSED frame at skb allocation.

Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-30 21:55:51 -07:00
..
6lowpan 6lowpan: move module_init into core functionality 2015-08-11 22:05:36 +02:00
9p 9p: ensure err is initialized to 0 in p9_client_read/write 2015-08-22 21:35:02 -04:00
802
8021q net: 8021q: convert to using IFF_NO_QUEUE 2015-08-18 11:55:06 -07:00
appletalk net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
atm br2684: Remove unnecessary formatting macros b1 and bs 2015-07-31 15:25:52 -07:00
ax25 NET: AX.25: Stop heartbeat timer on disconnect. 2015-07-15 15:59:58 -07:00
batman-adv batman-adv: turn batadv_neigh_node_get() into local function 2015-08-27 20:15:34 +02:00
bluetooth Bluetooth: Fix SCO link type handling on connection complete 2015-08-28 21:03:00 +02:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-08-28 16:29:59 -07:00
caif net: caif: convert to using IFF_NO_QUEUE 2015-08-18 11:55:07 -07:00
can can: replace timestamp as unique skb attribute 2015-07-12 21:13:22 +02:00
ceph libceph: treat sockaddr_storage with uninitialized family as blank 2015-07-09 20:30:34 +03:00
core ip_tunnels: record IP version in tunnel info 2015-08-29 13:07:54 -07:00
dcb
dccp tcp: fix recv with flags MSG_WAITALL | MSG_PEEK 2015-07-27 01:06:53 -07:00
decnet net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
dns_resolver
dsa net: dsa: Allow multi hop routes to be expressed 2015-08-18 14:17:21 -07:00
ethernet net: ethernet: Fix double word "the the" in eth.c 2015-08-09 22:53:00 -07:00
hsr net: hsr: convert to using IFF_NO_QUEUE 2015-08-18 11:55:07 -07:00
ieee802154 Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2015-08-29 13:15:03 -07:00
ipv4 net: Introduce helper functions to get the per cpu data 2015-08-30 21:48:58 -07:00
ipv6 net: Optimize snmp stat aggregation by walking all the percpu data at once 2015-08-30 21:48:58 -07:00
ipx net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
irda irda: use msecs_to_jiffies for conversion to jiffies 2015-05-25 17:46:21 -04:00
iucv net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
key net: Fix RCU splat in af_key 2015-08-24 14:48:10 -07:00
l2tp net: Modify sk_alloc to not reference count the netns of kernel sockets. 2015-05-11 10:50:18 -04:00
lapb
llc tcp: fix recv with flags MSG_WAITALL | MSG_PEEK 2015-07-27 01:06:53 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-21 11:44:04 -07:00
mac802154 ieee802154: add ack request default handling 2015-08-10 20:43:06 +02:00
mpls lwt: Add cfg argument to build_state 2015-08-24 10:34:40 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-08-28 16:29:59 -07:00
netlabel
netlink netlink: rx mmap: fix POLLIN condition 2015-08-30 21:55:51 -07:00
netrom netfilter: Remove spurios included of netfilter.h 2015-06-18 21:14:32 +02:00
nfc nfc: netlink: Add capability to reply to vendor_cmd with data 2015-08-20 22:00:11 +02:00
openvswitch openvswitch: Remove vport-net 2015-08-29 19:07:15 -07:00
packet packet: add extended BPF fanout mode 2015-08-17 14:22:48 -07:00
phonet net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
rds RDS: remove superfluous from rds_ib_alloc_fmr() 2015-08-25 16:28:11 -07:00
rfkill Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2015-08-17 15:41:21 -07:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-06-24 02:58:51 -07:00
rxrpc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
sched net: sched: don't break line in tc_classify loop notification 2015-08-28 14:01:15 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-30 21:45:01 -07:00
sunrpc NFS client bugfixes for Linux 4.2 2015-07-28 09:37:44 -07:00
switchdev net: switchdev: support static FDB addresses 2015-08-11 12:03:19 -07:00
tipc tipc: fix stale link problem during synchronization 2015-08-23 16:14:45 -07:00
unix net/unix: support SCM_SECURITY for stream sockets 2015-06-10 22:49:20 -07:00
vmw_vsock net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
wimax net:wimax: Fix doucble word "the the" in networking.xml 2015-08-09 22:43:52 -07:00
wireless nl80211: Allow setting multicast rate on OCB interfaces 2015-08-14 17:49:48 +02:00
x25 net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
xfrm xfrm: Add oif to dst lookups 2015-08-11 12:41:35 +02:00
compat.c
Kconfig lwtunnel: infrastructure for handling light weight tunnels like mpls 2015-07-21 10:39:03 -07:00
Makefile
socket.c net: Add a struct net parameter to sock_create_kern 2015-05-11 10:50:17 -04:00
sysctl_net.c