Do not walk off the end of the array performing frees

crash found by daharmasterkor

diff --git a/lib/libpcap/gencode.c b/lib/libpcap/gencode.c
index 572e48d..23fca89 100644 (file)
--- a/lib/libpcap/gencode.c
+++ b/lib/libpcap/gencode.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: gencode.c,v 1.61 2022/03/28 02:58:06 dlg Exp $        */
+/*     $OpenBSD: gencode.c,v 1.62 2022/05/28 03:20:14 deraadt Exp $    */
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
@@ -207,7 +207,7 @@ freechunks(void)
        for (i = 0; i <= cur_membag; i++) {
                if (membag[i].ptrs == NULL)
                        continue;
-               for (j = 0; j <= membag[i].slot; j++)
+               for (j = 0; j < membag[i].slot; j++)
                        free(membag[i].ptrs[j]);
                free(membag[i].ptrs);
                membag[i].ptrs = NULL;