e2fsprogs/SOURCES/e2fsprogs-1.45.6-debugfs-fix-memory-leak-problem-in-read_list.patch
2022-11-08 12:18:03 +00:00

47 lines
1.2 KiB
Diff

From 9221fb77a7187957ed84e45bf6ad6f5e37755e5c Mon Sep 17 00:00:00 2001
From: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Date: Sat, 20 Feb 2021 16:41:29 +0800
Subject: [PATCH 22/46] debugfs: fix memory leak problem in read_list()
Content-Type: text/plain
In read_list func, if strtoull() fails in while loop,
we will return the error code directly. Then, memory of
variable lst will be leaked without setting to *list.
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: linfeilong <linfeilong@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
debugfs/util.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/debugfs/util.c b/debugfs/util.c
index bbb20ff6..37620295 100644
--- a/debugfs/util.c
+++ b/debugfs/util.c
@@ -530,12 +530,16 @@ errcode_t read_list(char *str, blk64_t **list, size_t *len)
errno = 0;
y = x = strtoull(tok, &e, 0);
- if (errno)
- return errno;
+ if (errno) {
+ retval = errno;
+ break;
+ }
if (*e == '-') {
y = strtoull(e + 1, NULL, 0);
- if (errno)
- return errno;
+ if (errno) {
+ retval = errno;
+ break;
+ }
} else if (*e != 0) {
retval = EINVAL;
break;
--
2.35.1