libpurple/protocols/msn/slplink.c

branch
release-2.4.3
changeset 23197
dceac1fa805a
parent 22981
b83a23981419
child 23199
c8a241b5a5b5
child 23532
bc03c7494ba4
--- a/libpurple/protocols/msn/slplink.c	Thu Jun 26 01:18:05 2008 +0000
+++ b/libpurple/protocols/msn/slplink.c	Thu Jun 26 08:42:49 2008 +0000
@@ -593,7 +593,7 @@
 	}
 	else if (slpmsg->size)
 	{
-		if ((offset + len) > slpmsg->size)
+		if (offset < 0 || (offset + len) > slpmsg->size)
 		{
 			purple_debug_error("msn",
 				"Oversized slpmsg - msgsize=%lld offset=%" G_GSIZE_FORMAT " len=%" G_GSIZE_FORMAT "\n",

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