zlib/backport-Fix-memory-leak-on-error-in-gzlog.c.patch
zhoupengcheng fce1c5536a zlib:backport upstream patch
(cherry picked from commit ee65ab90886d1240dc7ef6b6afc98012d7c18b2a)
2024-05-07 19:57:31 +08:00

47 lines
1.4 KiB
Diff

:From 02064366155215162223417b939deebfe563ded0 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Sat, 25 May 2019 22:23:20 -0700
Subject: [PATCH] Fix memory leak on error in gzlog.c.
Thank you Adam Richter.
Reference:https://github.com/madler/zlib/commit/02064366155215162223417b939deebfe563ded0
Conflict:NA
---
examples/gzlog.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/examples/gzlog.c b/examples/gzlog.c
index b8c2927..b977802 100644
--- a/examples/gzlog.c
+++ b/examples/gzlog.c
@@ -1,8 +1,8 @@
/*
* gzlog.c
- * Copyright (C) 2004, 2008, 2012, 2016 Mark Adler, all rights reserved
+ * Copyright (C) 2004, 2008, 2012, 2016, 2019 Mark Adler, all rights reserved
* For conditions of distribution and use, see copyright notice in gzlog.h
- * version 2.2, 14 Aug 2012
+ * version 2.3, 25 May 2019
*/
/*
@@ -756,12 +756,14 @@ local int log_recover(struct log *log, int op)
return -2;
}
if ((fd = open(log->path, O_RDONLY, 0)) < 0) {
+ free(data);
log_log(log, op, ".add file read failure");
return -1;
}
ret = (size_t)read(fd, data, len) != len;
close(fd);
if (ret) {
+ free(data);
log_log(log, op, ".add file read failure");
return -1;
}
--
2.23.0