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Johannes Berg 1bf3751ec9 ipv4: ip_check_defrag must not modify skb before unsharing 
ip_check_defrag() might be called from af_packet within the
RX path where shared SKBs are used, so it must not modify
the input SKB before it has unshared it for defragmentation.
Use skb_copy_bits() to get the IP header and only pull in
everything later.

The same is true for the other caller in macvlan as it is
called from dev->rx_handler which can also get a shared SKB.

Reported-by: Eric Leblond <eric@regit.org>
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-10 13:51:44 -05:00
..
9p The following changes since commit 4cbe5a555f: 2012-10-12 09:59:23 +09:00
802
8021q vlan: allow to change type when no vlan device is hooked on netdev 2012-10-18 15:34:30 -04:00
appletalk
atm
ax25
batman-adv batman-adv: process broadcast packets in BLA earlier 2012-11-16 09:36:54 +01:00
bluetooth Bluetooth: Fix memory leak when removing a UUID 2012-11-09 16:45:37 +01:00
bridge bridge: Pull ip header into skb->data before looking into ip header. 2012-10-10 22:50:45 -04:00
caif
can can: bcm: initialize ifindex for timeouts without previous frame reception 2012-11-26 22:33:59 +01:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2012-10-29 08:49:25 -07:00
core net: gro: fix possible panic in skb_gro_receive() 2012-12-07 14:39:29 -05:00
dcb
dccp
decnet sections: fix section conflicts in net 2012-10-06 03:04:45 +09:00
dns_resolver Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
dsa
ethernet
ieee802154
ipv4 ipv4: ip_check_defrag must not modify skb before unsharing 2012-12-10 13:51:44 -05:00
ipv6 ipv6: fix inet6_csk_update_pmtu() return value 2012-11-20 15:16:15 -05:00
ipx
irda irda: irttp: fix memory leak in irttp_open_tsap() error path 2012-11-28 11:25:29 -05:00
iucv
key net/key/af_key.c: add range checks on ->sadb_x_policy_len 2012-10-01 17:15:06 -04:00
l2tp l2tp: fix oops in l2tp_eth_create() error path 2012-11-02 21:56:35 -04:00
lapb
llc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-10-02 11:11:09 -07:00
mac80211 mac80211: fix remain-on-channel (non-)cancelling 2012-11-26 14:41:40 -05:00
mac802154
netfilter netfilter: ipset: fix netiface set name overflow 2012-11-24 23:48:23 +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 kfree_rcu() in netlink_release() 2012-10-18 15:34:30 -04:00
netrom
nfc NFC: Fix nfc_llcp_local chained list insertion 2012-11-20 00:09:25 +01:00
openvswitch openvswitch: Store flow key len if ARP opcode is not request or reply. 2012-10-30 17:17:09 -07:00
packet Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-10-02 11:11:09 -07:00
phonet
rds RDS: fix rds-ping spinlock recursion 2012-10-09 13:57:23 -04:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
rose
rxrpc Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
sched pkt_sched: enable QFQ to support TSO/GSO 2012-11-07 15:37:04 -05:00
sctp sctp: Error in calculation of RTTvar 2012-11-28 11:13:40 -05:00
sunrpc SUNRPC: return proper errno from backchannel_rqst 2012-11-01 11:50:53 -04:00
tipc tipc: do not use tasklet_disable before tasklet_kill 2012-11-03 15:10:14 -04:00
unix
wanrouter
wimax
wireless wireless: allow 40 MHz on world roaming channels 12/13 2012-11-12 16:26:06 +01:00
x25
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
compat.c
Kconfig
Makefile
nonet.c
socket.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
sysctl_net.c