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linux/net/batman-adv
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Sven Eckelmann f7dcdf5fdb batman-adv: Fix unexpected free of bcast_own on add_if error 
The function batadv_iv_ogm_orig_add_if allocates new buffers for bcast_own
and bcast_own_sum. It is expected that these buffers are unchanged in case
either bcast_own or bcast_own_sum couldn't be resized.

But the error handling of this function frees the already resized buffer
for bcast_own when the allocation of the new bcast_own_sum buffer failed.
This will lead to an invalid memory access when some code will try to
access bcast_own.

Instead the resized new bcast_own buffer has to be kept. This will not lead
to problems because the size of the buffer was only increased and therefore
no user of the buffer will try to access bytes outside of the new buffer.

Fixes: d0015fdd3d ("batman-adv: provide orig_node routing API")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
2016-05-18 11:49:40 +08:00
..
bat_algo.h batman-adv: OGMv2 - add basic infrastructure 2016-02-29 16:05:31 +08:00
bat_iv_ogm.c batman-adv: Fix unexpected free of bcast_own on add_if error 2016-05-18 11:49:40 +08:00
bat_v.c batman-adv: Fix refcnt leak in batadv_v_neigh_* 2016-05-18 11:49:40 +08:00
bat_v_elp.c batman-adv: ELP - send unicast ELP packets for throughput sampling 2016-02-29 16:25:07 +08:00
bat_v_elp.h batman-adv: ELP - compute the metric based on the estimated throughput 2016-02-29 16:25:06 +08:00
bat_v_ogm.c batman-adv: Check hard_iface refcnt before calling function 2016-05-10 18:28:29 +08:00
bat_v_ogm.h batman-adv: OGMv2 - implement originators logic 2016-02-29 16:05:31 +08:00
bitarray.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
bitarray.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
bridge_loop_avoidance.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
bridge_loop_avoidance.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
debugfs.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
debugfs.h
distributed-arp-table.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
distributed-arp-table.h
fragmentation.c batman-adv: Fix checkpatch warning about 'unsigned' type 2016-05-04 02:22:03 +08:00
fragmentation.h
gateway_client.c batman-adv: Use kref_get for batadv_gw_node_add 2016-05-10 18:28:29 +08:00
gateway_client.h
gateway_common.c batman-adv: add throughput override attribute to hard_ifaces 2016-02-29 16:05:32 +08:00
gateway_common.h batman-adv: add throughput override attribute to hard_ifaces 2016-02-29 16:05:32 +08:00
hard-interface.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
hard-interface.h batman-adv: Create batman soft interfaces within correct netns. 2016-05-10 18:26:44 +08:00
hash.c
hash.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
icmp_socket.c batman-adv: fix wrong names in kerneldoc 2016-05-04 02:22:03 +08:00
icmp_socket.h
Kconfig batman-adv: clarify CFG80211 dependency 2016-03-02 13:45:47 -05:00
main.c batman-adv: Use kref_get for batadv_tvlv_container_get 2016-05-10 18:28:29 +08:00
main.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
Makefile batman-adv: OGMv2 - add basic infrastructure 2016-02-29 16:05:31 +08:00
multicast.c batman-adv: fix wrong names in kerneldoc 2016-05-04 02:22:03 +08:00
multicast.h
network-coding.c batman-adv: use batadv_compare_eth when possible 2016-05-10 18:28:54 +08:00
network-coding.h
originator.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
originator.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
packet.h batman-adv: add detection for complex bridge loops 2016-05-10 18:26:45 +08:00
routing.c batman-adv: fix skb deref after free 2016-05-18 11:49:38 +08:00
routing.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
send.c batman-adv: Check hard_iface refcnt before calling function 2016-05-10 18:28:29 +08:00
send.h batman-adv: keep track of when unicast packets are sent 2016-02-29 16:05:32 +08:00
soft-interface.c batman-adv: replace ethertype variable with ETH_P_BATMAN for readability 2016-05-10 18:28:54 +08:00
soft-interface.h batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
sysfs.c batman-adv: add detection for complex bridge loops 2016-05-10 18:26:45 +08:00
sysfs.h
translation-table.c batman-adv: Use bool as return type for boolean functions 2016-05-10 18:28:54 +08:00
translation-table.h
types.h batman-adv: add detection for complex bridge loops 2016-05-10 18:26:45 +08:00