75 lines
2.1 KiB
Diff
75 lines
2.1 KiB
Diff
From f6feb3fbb50f48c193e9e4d775a20aa20f7b47b3 Mon Sep 17 00:00:00 2001
|
|
From: Guanqin Miao <miaoguanqin@huawei.com>
|
|
Date: Mon, 24 Apr 2023 16:06:36 +0800
|
|
Subject: [PATCH 137/165] Fix memory leak in file Manage
|
|
|
|
When we test mdadm with asan, we found some memory leaks in Manage.c
|
|
We fix these memory leaks based on code logic.
|
|
|
|
v2: Fix free() of uninitialized 'tst' in abort path.
|
|
|
|
Signed-off-by: Guanqin Miao <miaoguanqin@huawei.com>
|
|
Signed-off-by: Li Xiao Keng <lixiaokeng@huawei.com>
|
|
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
|
|
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
|
|
---
|
|
Manage.c | 13 +++++++++++--
|
|
1 file changed, 11 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/Manage.c b/Manage.c
|
|
index f54de7c6..f997b163 100644
|
|
--- a/Manage.c
|
|
+++ b/Manage.c
|
|
@@ -222,6 +222,7 @@ int Manage_stop(char *devname, int fd, int verbose, int will_retry)
|
|
if (verbose >= 0)
|
|
pr_err("Cannot get exclusive access to %s:Perhaps a running process, mounted filesystem or active volume group?\n",
|
|
devname);
|
|
+ sysfs_free(mdi);
|
|
return 1;
|
|
}
|
|
/* If this is an mdmon managed array, just write 'inactive'
|
|
@@ -801,8 +802,14 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv,
|
|
rdev, update, devname,
|
|
verbose, array);
|
|
dev_st->ss->free_super(dev_st);
|
|
- if (rv)
|
|
+ if (rv) {
|
|
+ free(dev_st);
|
|
return rv;
|
|
+ }
|
|
+ }
|
|
+ if (dev_st) {
|
|
+ dev_st->ss->free_super(dev_st);
|
|
+ free(dev_st);
|
|
}
|
|
}
|
|
if (dv->disposition == 'M') {
|
|
@@ -1362,7 +1369,7 @@ int Manage_subdevs(char *devname, int fd,
|
|
unsigned long long array_size;
|
|
struct mddev_dev *dv;
|
|
int tfd = -1;
|
|
- struct supertype *tst;
|
|
+ struct supertype *tst = NULL;
|
|
char *subarray = NULL;
|
|
int sysfd = -1;
|
|
int count = 0; /* number of actions taken */
|
|
@@ -1699,6 +1706,7 @@ int Manage_subdevs(char *devname, int fd,
|
|
break;
|
|
}
|
|
}
|
|
+ free(tst);
|
|
if (frozen > 0)
|
|
sysfs_set_str(&info, NULL, "sync_action","idle");
|
|
if (test && count == 0)
|
|
@@ -1706,6 +1714,7 @@ int Manage_subdevs(char *devname, int fd,
|
|
return 0;
|
|
|
|
abort:
|
|
+ free(tst);
|
|
if (frozen > 0)
|
|
sysfs_set_str(&info, NULL, "sync_action","idle");
|
|
return !test && busy ? 2 : 1;
|
|
--
|
|
2.40.1
|
|
|