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net/x25: fix called/calling length calculation in x25_parse_address_block

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[ Upstream commit d449ba3d58 ]

The length of the called and calling address was not calculated
correctly (BCD encoding).

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Martin Schiller
2018-11-27 09:50:27 +01:00
committed by Greg Kroah-Hartman
parent b7950442f2
commit 12fc4bcc89
1 changed files with 1 additions and 1 deletions
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2
net/x25/af_x25.c
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@@ -100,7 +100,7 @@ int x25_parse_address_block(struct sk_buff *skb,
}
len = *skb->data;
needed = 1 + (len >> 4) + (len & 0x0f);
needed = 1 + ((len >> 4) + (len & 0x0f) + 1) / 2;
if (!pskb_may_pull(skb, needed)) {
/* packet is too short to hold the addresses it claims