From: Howard Chu <hyc@openldap.org>
Date: Tue, 7 Dec 2004 08:48:28 +0000 (+0000)
Subject: Fix ITS#3420
X-Git-Tag: OPENLDAP_REL_ENG_2_3_0ALPHA~108
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b70d375964c55214bd3039c80acfc4f3c0d682f1;p=openldap

Fix ITS#3420
---

diff --git a/servers/slapd/sl_malloc.c b/servers/slapd/sl_malloc.c
index 021f85bb8f..b7a4064430 100644
--- a/servers/slapd/sl_malloc.c
+++ b/servers/slapd/sl_malloc.c
@@ -376,7 +376,8 @@ slap_sl_realloc(void *ptr, ber_len_t size, void *ctx)
 			new = p;
 	
 		/* If reallocing the last block, we can grow it */
-		} else if ((char *)ptr + p[-1] == sh->sh_last) {
+		} else if ((char *)ptr + p[-1] == sh->sh_last &&
+			(char *)ptr + size < (char *)sh->sh_end ) {
 			new = p;
 			sh->sh_last = (char *)sh->sh_last + size - p[-1];
 			p[-1] = size;