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5ff8dda303
linux/net
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Herbert Xu 5ff8dda303 net: Ensure partial checksum offset is inside the skb head 
On Thu, Jun 04, 2009 at 09:06:00PM +1000, Herbert Xu wrote:
>
> tun: Optimise handling of bogus gso->hdr_len
>
> As all current versions of virtio_net generate a value for the
> header length that's too small, we should optimise this so that
> we don't copy it twice.  This can be done by ensuring that it is
> at least as large as the place where we'll write the checksum.
>
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

With this applied we can strengthen the partial checksum check:

In skb_partial_csum_set we check to see if the checksum offset
is within the packet.  However, we really should check that it
is within the skb head as that's the only bit we can modify
without copying.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-08 00:20:19 -07:00
..
9p net/9p: handle correctly interrupted 9P requests 2009-04-05 16:54:53 -05:00
802 net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
8021q net: convert unicast addr list 2009-05-29 22:12:32 -07:00
appletalk net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
atm net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ax25 ax25: proc uid file misses header 2009-04-20 02:14:59 -07:00
bluetooth Bluetooth: Remove useless flush_work() causing lockdep warnings 2009-05-27 09:15:57 +02:00
bridge net: skb->dst accessors 2009-06-03 02:51:04 -07:00
can can: Network Drop Monitor: Make use of consume_skb() in af_can.c 2009-04-17 01:38:46 -07:00
core net: Ensure partial checksum offset is inside the skb head 2009-06-08 00:20:19 -07:00
dcb DCB: fix kfree(skb) 2009-01-04 17:29:21 -08:00
dccp net: skb->dst accessors 2009-06-03 02:51:04 -07:00
decnet net: skb->dst accessors 2009-06-03 02:51:04 -07:00
dsa net: convert unicast addr list 2009-05-29 22:12:32 -07:00
econet econet: Use SKB queue and list helpers instead of doing it by-hand. 2009-05-28 16:46:29 -07:00
ethernet net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
ipv4 ipv4: remove ip_mc_drop_socket() declaration from af_inet.c. 2009-06-03 21:43:26 -07:00
ipv6 net: skb->dst accessors 2009-06-03 02:51:04 -07:00
ipx ipx: use constant for strings and desciptor 2009-03-21 19:06:51 -07:00
irda irda: Use SKB queue and list helpers instead of doing it by-hand. 2009-05-28 23:26:33 -07:00
iucv af_iucv: Fix merge. 2009-04-23 06:37:16 -07:00
key af_key: remove some pointless conditionals before kfree_skb() 2009-02-26 23:07:32 -08:00
lapb
llc llc: Kill outdated and incorrect comment. 2009-05-28 23:31:56 -07:00
mac80211 cfg80211: fix Kconfig for users of cfg80211 2009-06-03 14:09:08 -04:00
netfilter net: skb->dst accessors 2009-06-03 02:51:04 -07:00
netlabel netlabel: Use genl_register_family_with_ops() 2009-05-21 16:50:24 -07:00
netlink genetlink: Introduce genl_register_family_with_ops() 2009-05-21 16:50:22 -07:00
netrom net/netrom: Fix socket locking 2009-04-22 00:49:51 -07:00
packet net: skb->dst accessors 2009-06-03 02:51:04 -07:00
phonet Phonet: fix accounting race between gprs_writeable() and gprs_xmit() 2009-06-02 00:17:43 -07:00
rds Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-05-18 21:08:20 -07:00
rfkill rfkill: always init poll delayed work 2009-06-03 14:06:15 -04:00
rose Revert "rose: zero length frame filtering in af_rose.c" 2009-04-14 20:28:00 -07:00
rxrpc RxRPC: Error handling for rxrpc_alloc_connection() 2009-05-21 15:22:02 -07:00
sched net: skb->dst accessors 2009-06-03 02:51:04 -07:00
sctp sctp: support non-blocking version of the new sctp_connectx() API 2009-06-03 09:14:47 -04:00
sunrpc net: skb->dst accessors 2009-06-03 02:51:04 -07:00
tipc tipc: Use genl_register_family_with_ops() 2009-05-21 16:50:23 -07:00
unix New helper - current_umask() 2009-03-31 23:00:26 -04:00
wanrouter wanrouter: fix sparse warnings: context imbalance 2009-02-26 23:13:36 -08:00
wimax wimax: depend on rfkill properly 2009-06-04 10:58:15 -04:00
wireless cfg80211: make ieee80211_get_mesh_hdrlen() static 2009-06-03 14:06:15 -04:00
x25 af_rose/x25: Sanity check the maximum user frame size 2009-03-27 00:28:21 -07:00
xfrm net: skb->dst accessors 2009-06-03 02:51:04 -07:00
compat.c net: socket infrastructure for SO_TIMESTAMPING 2009-02-15 22:43:35 -08:00
Kconfig net: remove stale reference to fastroute from Kconfig help text 2009-05-07 16:31:01 -07:00
Makefile RDS: Kconfig and Makefile 2009-02-26 23:43:35 -08:00
nonet.c
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-04-06 18:05:43 -07:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00
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