X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftal%2Ftalloc%2Ftalloc.c;h=ab96ff78a7e878b1c630df847ef27316e501998d;hp=ad21b704d2acc5a0e9b386ce6288500614160d81;hb=ed6dd33e06c0e8f1c4dd006e0b70d9f2d6ba6c09;hpb=3c164cd21a13bd3904117f6a33e06945f0f1850c

diff --git a/ccan/tal/talloc/talloc.c b/ccan/tal/talloc/talloc.c
index ad21b704..ab96ff78 100644
--- a/ccan/tal/talloc/talloc.c
+++ b/ccan/tal/talloc/talloc.c
@@ -1,6 +1,5 @@
 /* Licensed under LGPL - see LICENSE file for details */
 #include <ccan/tal/talloc/talloc.h>
-#include <ccan/take/take.h>
 #include <errno.h>
 #include <assert.h>
 
@@ -141,6 +140,13 @@ bool tal_talloc_resize_(tal_t **ctxp, size_t size, size_t count)
 		*ctxp = newp;
 		return true;
 	}
+
+	/* count is unsigned, not size_t, so check for overflow here! */
+	if ((unsigned)count != count) {
+		call_error("Resize overflos");
+		return false;
+	}
+
 	newp = _talloc_realloc_array(NULL, *ctxp, size, count, NULL);
 	if (!newp) {
 		call_error("Resize failure");