The commit is pushed to "branch-rh8-4.18.0-240.1.1.vz8.5.x-ovz" and will appear
at https://src.openvz.org/scm/ovz/vzkernel.git
after rh8-4.18.0-240.1.1.vz8.5.34
------>
commit ed7c9f412e54c6351a53f273c4b450e9636b2e82
Author: Denis V. Lunev <d...@openvz.org>
Date: Tue Jun 1 20:29:50 2021 +0300
ms/dlm: fix possible call to kfree() for non-initialized pointer
Technically dlm_config_nodes() could return error and keep nodes
uninitialized. After that on the fail path of we'll call kfree()
for that uninitialized value.
The patch is simple - we should just initialize nodes with NULL.
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Christine Caulfield <ccaul...@redhat.com>
CC: David Teigland <teigl...@redhat.com>
CC: Konstantin Khorenko <khore...@virtuozzo.com>
CC: cluster-de...@redhat.com
https://pmc.acronis.com/browse/VSTOR-17522
(cherry-picked from vz7 commit 67d128689daa97c7f34d62409f9bd2256de059ff)
ms commit: 58a923adf4d9 ("dlm: fix possible call to kfree() for
non-initialized
pointer")
Signed-off-by: Andrey Zhadchenko <andrey.zhadche...@virtuozzo.com>
---
fs/dlm/member.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/dlm/member.c b/fs/dlm/member.c
index 3fda3832cf6a..2ce33088f8bb 100644
--- a/fs/dlm/member.c
+++ b/fs/dlm/member.c
@@ -671,7 +671,7 @@ int dlm_ls_stop(struct dlm_ls *ls)
int dlm_ls_start(struct dlm_ls *ls)
{
struct dlm_recover *rv, *rv_old;
- struct dlm_config_node *nodes;
+ struct dlm_config_node *nodes = NULL;
int error, count;
rv = kzalloc(sizeof(*rv), GFP_NOFS);
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