1 files changed, 30 insertions, 0 deletions
diff --git a/archivers/gzip/patches/patch-ab b/archivers/gzip/patches/patch-ab
new file mode 100644
index 00000000000..b3329e01611
--- /dev/null
+++ b/archivers/gzip/patches/patch-ab
@@ -0,0 +1,30 @@
+$NetBSD: patch-ab,v 1.1 2007/11/08 19:26:53 joerg Exp $
+
+--- unpack.c.orig	1993-08-13 08:35:00.000000000 +0100
++++ unpack.c
+@@ -12,7 +12,6 @@ static char rcsid[] = "$Id: unpack.c,v 1
+ #include "gzip.h"
+ #include "crypt.h"
+ 
+-#define MIN(a,b) ((a) <= (b) ? (a) : (b))
+ /* The arguments must not have side effects. */
+ 
+ #define MAX_BITLEN 25
+@@ -132,7 +131,7 @@ local void read_tree()
+ 	/* Remember where the literals of this length start in literal[] : */
+ 	lit_base[len] = base;
+ 	/* And read the literals: */
+-	for (n = leaves[len]; n > 0; n--) {
++	for (n = leaves[len]; n > 0 && base < LITERALS; n--) { 
+ 	    literal[base++] = (uch)get_byte();
+ 	}
+     }
+@@ -168,7 +167,7 @@ local void build_tree()
+     prefixp = &prefix_len[1<<peek_bits];
+     for (len = 1; len <= peek_bits; len++) {
+ 	int prefixes = leaves[len] << (peek_bits-len); /* may be 0 */
+-	while (prefixes--) *--prefixp = (uch)len;
++	while (prefixes-- && prefixp > prefix_len) *--prefixp = (uch)len;
+     }
+     /* The length of all other codes is unknown: */
+     while (prefixp > prefix_len) *--prefixp = 0;