From: Todd Richmond <todd_richmond@hotmail.com>
Date: Sat, 18 Dec 2021 00:59:05 +0000 (-0800)
Subject: zip size entry of -1 should be treated the same as 0
X-Git-Tag: v3.6.0~22^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F1639%2Fhead;p=thirdparty%2Flibarchive.git

zip size entry of -1 should be treated the same as 0
---

diff --git a/libarchive/archive_read_support_format_zip.c b/libarchive/archive_read_support_format_zip.c
index 5d9588584..b73afd19c 100644
--- a/libarchive/archive_read_support_format_zip.c
+++ b/libarchive/archive_read_support_format_zip.c
@@ -1144,7 +1144,8 @@ zip_read_local_file_header(struct archive_read *a, struct archive_entry *entry,
 			    (intmax_t)zip_entry->compressed_size);
 			ret = ARCHIVE_WARN;
 		}
-		if (zip_entry->uncompressed_size == 0) {
+		if (zip_entry->uncompressed_size == 0 ||
+			zip_entry->uncompressed_size == 0xffffffff) {
 			zip_entry->uncompressed_size
 			    = zip_entry_central_dir.uncompressed_size;
 		} else if (zip_entry->uncompressed_size