diff -urN busybox-1.8.1/archival/libunarchive/decompress_unzip.c busybox-1.8.1-tar_z/archival/libunarchive/decompress_unzip.c
--- busybox-1.8.1/archival/libunarchive/decompress_unzip.c	2007-11-09 18:40:48.000000000 -0700
+++ busybox-1.8.1-tar_z/archival/libunarchive/decompress_unzip.c	2007-11-11 18:35:13.000000000 -0700
@@ -1178,6 +1178,7 @@
 	ALLOC_STATE;
 	bytebuffer_max = 0x8000;
 	bytebuffer = xmalloc(bytebuffer_max);
+	gunzip_src_fd = in;
 
  again:
 	if (!check_header_gzip(PASS_STATE_ONLY)) {