diff options
| author | ChenXiaoSong <chenxiaosong2@huawei.com> | 2023-03-02 16:58:04 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-03-23 00:38:33 +0300 |
| commit | 2624b445544ffc1472ccabfb6ec867c199d4c95c (patch) | |
| tree | 5085c10d543e7bb2aba33a107e81ce915d5a7d9f /fs/ksmbd | |
| parent | 342edb60dcda7a409430359b0cac2864bb9dfe44 (diff) | |
| download | linux-2624b445544ffc1472ccabfb6ec867c199d4c95c.tar.xz | |
ksmbd: fix possible refcount leak in smb2_open()
Reference count of acls will leak when memory allocation fails. Fix this
by adding the missing posix_acl_release().
Fixes: e2f34481b24d ("cifsd: add server-side procedures for SMB3")
Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/ksmbd')
| -rw-r--r-- | fs/ksmbd/smb2pdu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index cb779d217234..97c9d1b5bcc0 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -2977,8 +2977,11 @@ int smb2_open(struct ksmbd_work *work) sizeof(struct smb_acl) + sizeof(struct smb_ace) * ace_num * 2, GFP_KERNEL); - if (!pntsd) + if (!pntsd) { + posix_acl_release(fattr.cf_acls); + posix_acl_release(fattr.cf_dacls); goto err_out; + } rc = build_sec_desc(idmap, pntsd, NULL, 0, |