safety first!

[fio.git] / client.c

diff --git a/client.c b/client.c
index 410ffb891d4a487515ed396161892d02b7653aad..82db502028d9f5b488ca31750299946d3f30440e 100644 (file)
--- a/client.c
+++ b/client.c
@@ -1302,12 +1302,15 @@ static int fio_client_handle_iolog(struct fio_client *client,
                return 1;
        }
 
                return 1;
        }
 

-       /* generate a unique pathname for the log file using hostname */
-       log_pathname = malloc(PATH_MAX+10);
+        /* allocate buffer big enough for next sprintf() call */
+       log_pathname = malloc( 10 + 
+                       strlen((char * )pdu->name) + 
+                       strlen(client->hostname));

        if (!log_pathname) {
                log_err("fio: memory allocation of unique pathname failed");
                return -1;
        }
        if (!log_pathname) {
                log_err("fio: memory allocation of unique pathname failed");
                return -1;
        }

+       /* generate a unique pathname for the log file using hostname */

        sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
 
        if (store_direct) {
        sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
 
        if (store_direct) {