3.8.13.12 -stable review patch. If anyone has any objections, please let me
know.
------------------
From: Jiri Pirko <j...@resnulli.us>
[ Upstream commit 8112b1fe071be01a28a774ed55909e6f4b29712d ]
In rfc4942 and rfc2460 I cannot find anything which would implicate to
drop packets which have only padding in tlv.
Current behaviour breaks TAHI Test v6LC.1.2.6.
Problem was intruduced in:
9b905fe6843 "ipv6/exthdrs: strict Pad1 and PadN check"
Signed-off-by: Jiri Pirko <j...@resnulli.us>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
net/ipv6/exthdrs.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 07a7d65..8d67900 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -162,12 +162,6 @@ static bool ip6_parse_tlv(const struct tlvtype_proc
*procs, struct sk_buff *skb)
off += optlen;
len -= optlen;
}
- /* This case will not be caught by above check since its padding
- * length is smaller than 7:
- * 1 byte NH + 1 byte Length + 6 bytes Padding
- */
- if ((padlen == 6) && ((off - skb_network_header_len(skb)) == 8))
- goto bad;
if (len == 0)
return true;
--
1.8.1.2
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