--- libtirpc-1.0.1/src/clnt_dg.c.orig	2015-10-30 11:15:14.000000000 -0400
+++ libtirpc-1.0.1/src/clnt_dg.c	2016-07-22 12:06:16.040698910 -0400
@@ -430,9 +430,15 @@ get_reply:
 	  struct sockaddr_in err_addr;
 	  struct sockaddr_in *sin = (struct sockaddr_in *)&cu->cu_raddr;
 	  struct iovec iov;
-	  char *cbuf = (char *) alloca (outlen + 256);
+	  char *cbuf = malloc (outlen + 256);
 	  int ret;
 
+	  if (cbuf == NULL)
+	    {
+	      cu->cu_error.re_errno = errno;
+	      return (cu->cu_error.re_status = RPC_CANTRECV);
+	    }
+
 	  iov.iov_base = cbuf + 256;
 	  iov.iov_len = outlen;
 	  msg.msg_name = (void *) &err_addr;
@@ -457,11 +463,13 @@ get_reply:
 		 cmsg = CMSG_NXTHDR (&msg, cmsg))
 	      if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_RECVERR)
 		{
+		  free (cbuf);
 		  e = (struct sock_extended_err *) CMSG_DATA(cmsg);
 		  cu->cu_error.re_errno = e->ee_errno;
 		  release_fd_lock(cu->cu_fd, mask);
 		  return (cu->cu_error.re_status = RPC_CANTRECV);
 		}
+	  free (cbuf);
 	}
 #endif