--- libdc1394/dc1394/juju/capture.c     2016-12-22 09:25:16.000000000 +0100
+++ libdc1394/dc1394/juju/capture.c     2023-05-24 16:51:59.789038165 +0200
@@ -321,7 +321,7 @@
 
     struct {
         struct fw_cdev_event_iso_interrupt i;
-               __u32 headers[craw->packets_per_frame*2 + 16]; // HPK 20161209
+               __u32 *headers;
     } iso;
 
     if ( (policy<DC1394_CAPTURE_POLICY_MIN) || (policy>DC1394_CAPTURE_POLICY_MAX) )
@@ -333,20 +333,25 @@
     fds[0].fd = craw->iso_fd;
     fds[0].events = POLLIN;
 
+    iso.headers = malloc(craw->packets_per_frame*2 + 16); // HPK 20161209
+
     while (1) {
         err = poll(fds, 1, (policy == DC1394_CAPTURE_POLICY_POLL) ? 0 : -1);
         if (err < 0) {
             if (errno == EINTR)
                 continue;
             dc1394_log_error("poll() failed for device %s.", craw->filename);
+            free(iso.headers);
             return DC1394_FAILURE;
         } else if (err == 0) {
+            free(iso.headers);
             return DC1394_SUCCESS;
         }
 
         len = read (craw->iso_fd, &iso, sizeof iso);
         if (len < 0) {
             dc1394_log_error("Juju: dequeue failed to read a response: %m");
+            free(iso.headers);
             return DC1394_FAILURE;
         }
 
@@ -394,6 +399,8 @@
 
     *frame_return = &f->frame;
 
+    free(iso.headers);
+
     return DC1394_SUCCESS;
 }
 

--- libdc1394/dc1394/juju/control.c     2019-04-28 02:40:21.000000000 +0200
+++ libdc1394/dc1394/juju/control.c     2023-05-24 16:47:57.705718376 +0200
@@ -283,7 +283,7 @@
     union {
         struct {
             struct fw_cdev_event_response r;
-            __u32 buffer[cam->max_response_quads];
+            __u32 *buffer;
         } response;
         struct fw_cdev_event_bus_reset reset;
         struct fw_cdev_event_iso_resource resource;
@@ -292,6 +292,8 @@
     juju_response_info *resp_info;
     juju_iso_info *iso_info;
 
+    u.response.buffer = malloc(cam->max_response_quads);
+
     len = read (cam->fd, &u, sizeof u);
     if (len < 0) {
         dc1394_log_error("juju: Read failed: %m");
@@ -371,6 +373,7 @@
         break;
     }
 
+    free(u.response.buffer);
     return 0;
 }