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Eric Dumazet 34fad54c25 net: __skb_flow_dissect() must cap its return value 
After Tom patch, thoff field could point past the end of the buffer,
this could fool some callers.

If an skb was provided, skb->len should be the upper limit.
If not, hlen is supposed to be the upper limit.

Fixes: a6e544b0a8 ("flow_dissector: Jump to exit code in __skb_flow_dissect")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Yibin Yang <yibyang@cisco.com
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2016-11-12 23:41:53 -05:00
..
Makefile net: add a hardware buffer management helper API 2016-03-14 12:19:46 -04:00
datagram.c udp: enable MSG_PEEK at non-zero offset 2016-04-05 16:29:37 -04:00
dev.c bpf: Fix bpf_redirect to an ipip/ip6tnl dev 2016-11-12 23:38:07 -05:00
dev_addr_lists.c net: fix spelling for synchronized 2014-11-18 15:26:32 -05:00
dev_ioctl.c dev_ioctl: use sizeof(x) instead of sizeof x 2014-11-18 15:27:32 -05:00
devlink.c devlink: add hardware messages tracing facility 2016-07-12 14:20:18 -07:00
drop_monitor.c drop_monitor: make genl_multicast_group const 2016-09-01 14:09:00 -07:00
dst.c net: add dst_cache to ovs vxlan lwtunnel 2016-02-16 20:21:48 -05:00
dst_cache.c net: dst_cache_per_cpu_dst_set() can be static 2016-03-18 17:45:08 -04:00
ethtool.c sctp: Add GSO support 2016-06-03 19:37:21 -04:00
fib_rules.c fib_rules: Added NLM_F_EXCL support to fib_nl_newrule 2016-06-30 08:23:19 -04:00
filter.c bpf: Fix bpf_redirect to an ipip/ip6tnl dev 2016-11-12 23:38:07 -05:00
flow.c flowcache: Avoid OOM condition under preasure 2016-03-17 10:28:42 +01:00
flow_dissector.c net: __skb_flow_dissect() must cap its return value 2016-11-12 23:41:53 -05:00
gen_estimator.c net: sched: do not acquire qdisc spinlock in qdisc/class stats dump 2016-06-07 16:37:14 -07:00
gen_stats.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-10 11:52:24 -07:00
hwbm.c net: hwbm: Fix unbalanced spinlock in error case 2016-05-25 12:35:09 -07:00
link_watch.c dev: introduce dev_get_iflink() 2015-04-02 14:04:59 -04:00
lwtunnel.c net: lwtunnel: Handle fragmentation 2016-08-30 22:27:18 -07:00
neighbour.c neigh: allow admin to set NUD_STALE 2016-08-08 15:36:38 -07:00
net-procfs.c net: remove NETDEV_TX_LOCKED support 2016-04-26 15:53:05 -04:00
net-sysfs.c net: introduce NETDEV_CHANGE_TX_QUEUE_LEN 2016-07-01 05:32:17 -04:00
net-sysfs.h net: netdev_kobject_init: annotate with __init 2014-01-05 20:27:54 -05:00
net-traces.c net: IPv6 fib lookup tracepoint 2015-11-22 11:54:10 -05:00
net_namespace.c netns: revert "netns: avoid disabling irq for netns id" 2016-10-22 16:16:29 -04:00
netclassid_cgroup.c core: remove unneded headers for net cgroup controllers. 2016-02-17 15:31:27 -05:00
netevent.c netevent: remove automatic variable in register_netevent_notifier() 2015-05-31 00:03:21 -07:00
netpoll.c net: tracepoint napi:napi_poll add work and budget 2016-07-09 18:05:02 -04:00
netprio_cgroup.c core: remove unneded headers for net cgroup controllers. 2016-02-17 15:31:27 -05:00
pktgen.c net: pktgen: remove rcu locking in pktgen_change_name() 2016-10-17 10:52:59 -04:00
ptp_classifier.c ptp: Change ptp_class to a proper bitmask 2015-11-03 11:08:22 -05:00
request_sock.c tcp: restore fastopen operations 2015-10-05 03:19:06 -07:00
rtnetlink.c rtnl: reset calcit fptr in rtnl_unregister() 2016-11-09 20:18:19 -05:00
scm.c unix: correctly track in-flight fds in sending process user_struct 2016-02-08 10:30:42 -05:00
secure_seq.c net: remove a sparse error in secure_dccpv6_sequence_number() 2015-05-25 22:55:37 -04:00
skbuff.c Merge branch 'work.splice_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-07 15:36:58 -07:00
sock.c dccp: do not release listeners too soon 2016-11-03 16:16:50 -04:00
sock_diag.c sock_diag: align nlattr properly when needed 2016-04-26 12:00:48 -04:00
sock_reuseport.c soreuseport: do not export reuseport_add_sock() 2016-10-18 14:18:23 -04:00
stream.c net: do not export sk_stream_write_space 2016-09-28 20:32:38 -04:00
sysctl_net_core.c bpf: add generic constant blinding for use in jits 2016-05-16 13:49:32 -04:00
timestamping.c net: skb_defer_rx_timestamp should check for phydev before setting up classify 2015-07-09 14:17:15 -07:00
tso.c net: tso: add support for IPv6 2015-10-26 22:24:22 -07:00
utils.c net: the space is required before the open parenthesis '(' 2016-06-29 05:15:14 -04:00