--- qemu-7.2.10/subprojects/libvfio-user/samples/client.c.orig	2024-04-04 06:27:19.254657097 +0200
+++ qemu-7.2.10/subprojects/libvfio-user/samples/client.c	2024-04-04 16:55:35.883734463 +0200
@@ -310,7 +310,10 @@ get_device_region_info(int sock, uint32_
     size_t nr_fds = ARRAY_SIZE(fds);
 
 
-    region_info = alloca(size);
+    region_info = malloc(size);
+    if (region_info == NULL) {
+        err(EXIT_FAILURE, "%m\n");
+    }
     memset(region_info, 0, size);
     region_info->argsz = size;
     region_info->index = index;
@@ -318,7 +321,11 @@ get_device_region_info(int sock, uint32_
     do_get_device_region_info(sock, region_info, NULL, 0);
     if (region_info->argsz > size) {
         size = region_info->argsz;
-        region_info = alloca(size);
+        free(region_info);
+        region_info = malloc(size);
+        if (region_info == NULL) {
+            err(EXIT_FAILURE, "%m\n");
+        }
         memset(region_info, 0, size);
         region_info->argsz = size;
         region_info->index = index;
@@ -344,6 +351,7 @@ get_device_region_info(int sock, uint32_
             }
         }
     }
+    free(region_info);
 }
 
 static void