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* [PATCH 1/2] [XFRM] Prevent off-by-one access to xfrm_dispatch
@ 2005-05-01 18:47 Thomas Graf
  2005-05-03 21:25 ` David S. Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Thomas Graf @ 2005-05-01 18:47 UTC (permalink / raw)
  To: David S. Miller; +Cc: netdev

Makes the type > XFRM_MSG_MAX check behave correctly to
protect access to xfrm_dispatch.

Signed-off-by: Thomas Graf <tgraf@suug.ch>

--- linux-2.6.12-rc3.orig/include/linux/xfrm.h	2005-04-30 20:22:19.000000000 +0200
+++ linux-2.6.12-rc3/include/linux/xfrm.h	2005-05-01 11:53:30.000000000 +0200
@@ -140,8 +140,9 @@
 	XFRM_MSG_FLUSHPOLICY,
 #define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
 
-	XFRM_MSG_MAX
+	__XFRM_MSG_MAX
 };
+#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
 
 struct xfrm_user_tmpl {
 	struct xfrm_id		id;

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2005-05-01 18:47 [PATCH 1/2] [XFRM] Prevent off-by-one access to xfrm_dispatch Thomas Graf
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