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| author | Sven Eckelmann <sven@narfation.org> | 2012-06-28 11:56:52 +0200 |
|---|---|---|
| committer | Antonio Quartulli <ordex@autistici.org> | 2012-07-01 22:47:24 +0200 |
| commit | 162d549c6905485262635fe594db337efb2828b5 (patch) | |
| tree | 85346674b2ff741ec9053470736ba2d034156190 /net/batman-adv/soft-interface.c | |
| parent | 0c5e45b63d22c6efa6f829c617d8f36688e53c5d (diff) | |
| download | lwn-162d549c6905485262635fe594db337efb2828b5.tar.gz lwn-162d549c6905485262635fe594db337efb2828b5.zip | |
batman-adv: Don't leak information through uninitialized packet fields
The reserved fields in batman-adv packets are not set to a constant value. The
content of these memory regions is leaked unintentionally to the network.
This regression was introduced in 3b27ffb00fbe9d9189715ea13ce8712e2f0cb0c5
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Diffstat (limited to 'net/batman-adv/soft-interface.c')
| -rw-r--r-- | net/batman-adv/soft-interface.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index b7c655cf626a..9e4bb61301ec 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -214,6 +214,7 @@ static int batadv_interface_tx(struct sk_buff *skb, /* batman packet type: broadcast */ bcast_packet->header.packet_type = BATADV_BCAST; + bcast_packet->reserved = 0; /* hw address of first interface is the orig mac because only * this mac is known throughout the mesh |