From: Young_X <YangX92@hotmail.com>
Date: Mon, 12 Nov 2018 01:20:19 +0000 (+0800)
Subject: Fix a null pointer dereference bug in zip writer.
X-Git-Tag: v3.4.0~147^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F1085%2Fhead;p=thirdparty%2Flibarchive.git

Fix a null pointer dereference bug in zip writer.

Signed-off-by: Young_X <YangX92@hotmail.com>
---

diff --git a/libarchive/archive_write_set_format_zip.c b/libarchive/archive_write_set_format_zip.c
index f69b8467f..45a0452f6 100644
--- a/libarchive/archive_write_set_format_zip.c
+++ b/libarchive/archive_write_set_format_zip.c
@@ -1430,6 +1430,9 @@ write_path(struct archive_entry *entry, struct archive_write *archive)
 	type = archive_entry_filetype(entry);
 	written_bytes = 0;
 
+	if (path == NULL)
+		return (ARCHIVE_FATAL);
+
 	ret = __archive_write_output(archive, path, strlen(path));
 	if (ret != ARCHIVE_OK)
 		return (ARCHIVE_FATAL);