Commit 178ca6f8 authored by Namjae Jeon's avatar Namjae Jeon Committed by Steve French
Browse files

ksmbd: fix memleak in get_file_stream_info() 



Fix memleak in get_file_stream_info()

Fixes: 34061d6b ("ksmbd: validate OutputBufferLength of QUERY_DIR, QUERY_INFO, IOCTL requests")
Cc: stable@vger.kernel.org # v5.15
Reported-by: default avatarCoverity Scan <scan-admin@coverity.com>
Acked-by: default avatarHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 1ec72153

fs/ksmbd/smb2pdu.c

+3 −1
Original line number Diff line number Diff line
@@ -4498,8 +4498,10 @@ static void get_file_stream_info(struct ksmbd_work *work, 
				     ":%s", &stream_name[XATTR_NAME_STREAM_LEN]);



		next = sizeof(struct smb2_file_stream_info) + streamlen * 2;

		if (next > buf_free_len)

		if (next > buf_free_len) {

			kfree(stream_buf);

			break;

		}



		file_info = (struct smb2_file_stream_info *)&rsp->Buffer[nbytes];

		streamlen  = smbConvertToUTF16((__le16 *)file_info->StreamName,