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authorMartin Schiller <ms@dev.tdt.de>2018-11-27 09:50:27 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-13 08:52:14 +0100
commit12fc4bcc89ef5b34a8fdd8df6b674e055be09a17 (patch)
tree39b82a029ea0df0258eb296724c928240bd04d3a /net
parentb7950442f2977363b53d567ab723c92cf47279fb (diff)
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net/x25: fix called/calling length calculation in x25_parse_address_block
[ Upstream commit d449ba3d581ed29f751a59792fdc775572c66904 ] 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>
Diffstat (limited to 'net')
-rw-r--r--net/x25/af_x25.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index f7f53f9ae7ef..3150648206b6 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -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