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authorJohn Hughes <john@calva.com>2010-04-07 21:29:25 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-07 21:29:25 -0700
commitf5eb917b861828da18dc28854308068c66d1449a (patch)
treeaa45d1a809abbe426b55dc89b8167e5a6609d418 /include/net
parentfd218cf9557b9bf7061365a8fe7020a56d3f767c (diff)
x25: Patch to fix bug 15678 - x25 accesses fields beyond end of packet.
Here is a patch to stop X.25 examining fields beyond the end of the packet. For example, when a simple CALL ACCEPTED was received: 10 10 0f x25_parse_facilities was attempting to decode the FACILITIES field, but this packet contains no facilities field. Signed-off-by: John Hughes <john@calva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/x25.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/x25.h b/include/net/x25.h
index 9baa07dc7d1..33f67fb7858 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -182,6 +182,10 @@ extern int sysctl_x25_clear_request_timeout;
extern int sysctl_x25_ack_holdback_timeout;
extern int sysctl_x25_forward;
+extern int x25_parse_address_block(struct sk_buff *skb,
+ struct x25_address *called_addr,
+ struct x25_address *calling_addr);
+
extern int x25_addr_ntoa(unsigned char *, struct x25_address *,
struct x25_address *);
extern int x25_addr_aton(unsigned char *, struct x25_address *,