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| author | Namjae Jeon <linkinjeon@kernel.org> | 2021-12-01 04:12:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-29 14:28:57 +0300 |
| commit | f43ba86a821194778fcb1c10c0d68909d6a72889 (patch) | |
| tree | 8ab10168a4dcf864372d124c9083203ec211b7e6 /fs/ksmbd | |
| parent | 89d0ffb4bb960d6ccfac4d01cbd5e0e4727c1ebc (diff) | |
| download | linux-f43ba86a821194778fcb1c10c0d68909d6a72889.tar.xz | |
ksmbd: fix uninitialized symbol 'pntsd_size'
commit f2e78affc48dee29b989c1d9b0d89b503dcd1204 upstream.
No check for if "rc" is an error code for build_sec_desc().
This can cause problems with using uninitialized pntsd_size.
Fixes: e2f34481b24d ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org # v5.15
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ksmbd')
| -rw-r--r-- | fs/ksmbd/smb2pdu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index ad0ea5d36f2e..54a3ffa58198 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -2964,6 +2964,10 @@ int smb2_open(struct ksmbd_work *work) &pntsd_size, &fattr); posix_acl_release(fattr.cf_acls); posix_acl_release(fattr.cf_dacls); + if (rc) { + kfree(pntsd); + goto err_out; + } rc = ksmbd_vfs_set_sd_xattr(conn, user_ns, |