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authorNamjae Jeon <linkinjeon@kernel.org>2021-12-01 10:12:39 +0900
committerSteve French <stfrench@microsoft.com>2021-12-16 12:36:49 -0600
commitf2e78affc48dee29b989c1d9b0d89b503dcd1204 (patch)
tree2f35e1d2b24462ac0a5642199fdfbbf8ef125ea5 /fs
parentef399469d9ceb9f2171cdd79863f9434b9fa3edc (diff)
downloadlinux-f2e78affc48dee29b989c1d9b0d89b503dcd1204.tar.gz
ksmbd: fix uninitialized symbol 'pntsd_size'
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/ksmbd/smb2pdu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 49c9da37315c..125590d5e940 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -2962,6 +2962,10 @@ 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,