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linux-sg2042
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bingtian.ly@taobao.com cdda88912d net: avoid to hang up on sending due to sysctl configuration overflow. 
I found if we write a larger than 4GB value to some sysctl
variables, the sending syscall will hang up forever, because these
variables are 32 bits, such large values make them overflow to 0 or
negative.

    This patch try to fix overflow or prevent from zero value setup
of below sysctl variables:

net.core.wmem_default
net.core.rmem_default

net.core.rmem_max
net.core.wmem_max

net.ipv4.udp_rmem_min
net.ipv4.udp_wmem_min

net.ipv4.tcp_wmem
net.ipv4.tcp_rmem

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Li Yu <raise.sail@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2013-01-28 23:15:27 -05:00
..
9p virtio: 9p: correctly pass physical address to userspace for high pages 2012-10-22 18:19:36 +10:30
802
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8021q ethtool: fix drvinfo strings set in drivers 2013-01-06 21:06:31 -08:00
appletalk userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
atm atm: use scnprintf() instead of sprintf() 2012-12-17 20:50:51 -08:00
ax25 userns: Convert net/ax25 to use kuid_t where appropriate 2012-08-14 21:49:42 -07:00
batman-adv batman-adv: Start new development cycle 2013-01-19 21:18:13 +08:00
bluetooth Bluetooth: Check if the hci connection exists in SCO shutdown 2013-01-10 03:53:32 -02:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-01-15 15:05:59 -05:00
caif caif_usb: Make the driver name check more efficient 2012-12-09 00:34:02 -05:00
can can: rework skb reserved data handling 2013-01-28 18:17:25 -05:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-01-02 17:32:49 -08:00
core net: avoid to hang up on sending due to sysctl configuration overflow. 2013-01-28 23:15:27 -05:00
dcb net: Allow DCBnl to use other namespaces besides init_net 2012-12-10 14:09:01 -05:00
dccp inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and dccp_v4/6_request_recv_sock 2012-12-14 13:14:07 -05:00
decnet decnet: use correct RCU API to deref sk_dst_cache field 2013-01-28 00:15:27 -05:00
dns_resolver Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2012-12-16 15:40:50 -08:00
dsa dsa: make dsa_switch_setup check for valid port names 2013-01-21 15:40:12 -05:00
ethernet net: split eth_mac_addr for better error handling 2013-01-21 14:07:44 -05:00
ieee802154 6lowpan: Handle uncompressed IPv6 packets over 6LoWPAN 2013-01-18 14:18:30 -05:00
ipv4 net: avoid to hang up on sending due to sysctl configuration overflow. 2013-01-28 23:15:27 -05:00
ipv6 net: fix possible wrong checksum generation 2013-01-28 00:27:15 -05:00
ipx userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
irda irda: buffer overflow in irnet_ctrl_read() 2013-01-27 20:38:19 -05:00
iucv s390/irq: remove split irq fields from /proc/stat 2013-01-08 10:57:07 +01:00
key net: Allow userns root to control llc, netfilter, netlink, packet, and xfrm 2012-11-18 20:32:45 -05:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-10 18:32:51 -05:00
lapb
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llc net: Allow userns root to control llc, netfilter, netlink, packet, and xfrm 2012-11-18 20:32:45 -05:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2013-01-28 13:54:03 -05:00
mac802154 mac802154: fix NOHZ local_softirq_pending 08 warning 2013-01-04 13:47:21 -08:00
netfilter netfilter: nf_conntrack: fix compilation if sysctl are disabled 2013-01-23 15:14:31 +01:00
netlabel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
netlink netlink: Use FIELD_SIZEOF() in netlink_proto_init(). 2013-01-09 23:38:23 -08:00
netrom net: change return values from -EACCES to -EPERM 2012-09-21 13:58:08 -04:00
nfc NFC: Use skb_copy_datagram_iovec 2013-01-11 14:56:32 +01:00
openvswitch openvswitch: Use FIELD_SIZEOF() in dp_init(). 2013-01-09 23:38:24 -08:00
packet net: Allow userns root to control llc, netfilter, netlink, packet, and xfrm 2012-11-18 20:32:45 -05:00
phonet net: Push capable(CAP_NET_ADMIN) into the rtnl methods 2012-11-18 20:32:44 -05:00
rds IB/rds: suppress incompatible protocol when version is known 2012-12-26 15:17:37 -08:00
rfkill Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-12-13 12:00:02 -08:00
rose
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rxrpc rxrpc: Use FIELD_SIZEOF() in af_rxrpc_init(). 2013-01-09 23:38:24 -08:00
sched pkt_sched: namespace aware act_mirred 2013-01-14 15:09:36 -05:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-01-15 15:05:59 -05:00
sunrpc NFS client bugfixe for Linux 3.8 2013-01-11 12:09:04 -08:00
tipc tipc: refactor accept() code for improved readability 2012-12-07 17:23:24 -05:00
unix unix: Use FIELD_SIZEOF() in af_unix_init(). 2013-01-09 23:38:24 -08:00
wanrouter wanmain: comparing array with NULL 2012-07-24 13:55:21 -07:00
wimax
…
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-01-28 14:43:00 -05:00
x25 net: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:45 -07:00
xfrm xfrm: use separated locks to protect pointers of struct xfrm_state_afinfo 2013-01-17 10:03:57 +01:00
Kconfig net: Add support for XPS without sysfs being defined 2013-01-10 22:47:04 -08:00
Makefile ipv6: Preserve ipv6 functionality needed by NET 2012-11-18 02:34:00 -05:00
compat.c make get_file() return its argument 2012-09-26 21:10:25 -04:00
nonet.c
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socket.c cgroup: net_cls: Rework update socket logic 2012-10-26 03:40:51 -04:00
sysctl_net.c user_ns: get rid of duplicate code in net_ctl_permissions 2012-11-18 20:32:45 -05:00