From b84c710902564f1c818f7f85c3cdcf7d71aef856 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Wed, 16 May 2018 19:14:56 +1000
Subject: [PATCH] Prevent infinite loop in runzip_fd with crafted/damaged
 archive.

---
 runzip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runzip.c b/runzip.c
index 61ca2ef..667ae05 100644
--- a/runzip.c
+++ b/runzip.c
@@ -380,7 +380,7 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
 
 	do {
 		u = runzip_chunk(control, fd_in, expected_size, total);
-		if (unlikely(u == -1)) {
+		if (unlikely(u < 1)) {
 			print_err("Failed to runzip_chunk in runzip_fd\n");
 			return -1;
 		}