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Nelson Elhage 448d7b5daf pktgen: Limit how much data we copy onto the stack. 
A program that accidentally writes too much data to the pktgen file can overflow
the kernel stack and oops the machine. This is only triggerable by root, so
there's no security issue, but it's still an unfortunate bug.

printk() won't print more than 1024 bytes in a single call, anyways, so let's
just never copy more than that much data. We're on a fairly shallow stack, so
that should be safe even with CONFIG_4KSTACKS.

Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2010-10-28 11:47:53 -07:00
..
Makefile net: support time stamping in phy devices. 2010-07-18 19:15:26 -07:00
datagram.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
dev.c net: NETIF_F_HW_CSUM does not imply FCoE CRC offload 2010-10-27 11:37:29 -07:00
dev_addr_lists.c net: include linux/proc_fs.h in dev_addr_lists.c 2010-04-07 16:46:36 -07:00
drop_monitor.c drop_monitor: use genl_register_family_with_ops() 2010-07-26 20:59:42 -07:00
dst.c net: avoid RCU for NOCACHE dst 2010-10-20 03:02:23 -07:00
ethtool.c ethtool: Add support for vlan accleration. 2010-10-21 01:26:54 -07:00
fib_rules.c fib_rules: __rcu annotates ctarget 2010-10-27 11:37:32 -07:00
filter.c net: add __rcu annotation to sk_filter 2010-10-25 14:18:28 -07:00
flow.c net: return operator cleanup 2010-09-23 14:33:39 -07:00
gen_estimator.c pkt_sched: remov unnecessary bh_disable 2010-09-10 12:47:59 -07:00
gen_stats.c net/core: EXPORT_SYMBOL cleanups 2010-07-12 12:57:55 -07:00
iovec.c net: Limit socket I/O iovec total length to INT_MAX. 2010-10-28 11:47:52 -07:00
kmap_skb.h [PATCH] severing skbuff.h -> highmem.h 2006-12-04 02:00:29 -05:00
link_watch.c net/core: EXPORT_SYMBOL cleanups 2010-07-12 12:57:55 -07:00
neighbour.c net/neighbour: cancel_delayed_work() + flush_scheduled_work() -> cancel_delayed_work_sync() 2010-10-21 04:25:48 -07:00
net-sysfs.c rps: add __rcu annotations 2010-10-25 14:18:27 -07:00
net-sysfs.h net: Allow changing number of RX queues after device allocation 2010-09-27 22:09:49 -07:00
net-traces.c netdev: Add tracepoints to netdev layer 2010-09-07 17:51:33 +02:00
net_namespace.c net_ns: add __rcu annotations 2010-10-25 14:18:27 -07:00
netevent.c net/core: EXPORT_SYMBOL cleanups 2010-07-12 12:57:55 -07:00
netpoll.c netpoll: Revert napi_poll fix for bonding driver 2010-10-20 01:44:30 -07:00
pktgen.c pktgen: Limit how much data we copy onto the stack. 2010-10-28 11:47:53 -07:00
request_sock.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
rtnetlink.c rtnetlink: remove rtnl_kill_links 2010-10-21 03:09:45 -07:00
scm.c net/core: EXPORT_SYMBOL cleanups 2010-07-12 12:57:55 -07:00
skbuff.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
sock.c net: add __rcu annotation to sk_filter 2010-10-25 14:18:28 -07:00
stream.c net: Fix the condition passed to sk_wait_event() 2010-10-03 20:41:32 -07:00
sysctl_net_core.c rps: add __rcu annotations 2010-10-25 14:18:27 -07:00
timestamping.c net: support time stamping in phy devices. 2010-07-18 19:15:26 -07:00
user_dma.c net/core/user_dma.c: Use frag list abstraction interfaces. 2009-06-09 00:19:10 -07:00
utils.c net: return operator cleanup 2010-09-23 14:33:39 -07:00