From 4951247d8be253075e6e85104301a61525318d54 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Mon, 9 Mar 2020 15:51:55 +0100 Subject: [PATCH] softmmu: fix crash with invalid -M memory-backend= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes: fe64d06afc1c5d895f220c268cfe4d5f1e65d44e ("vl.c: ensure that ram_size matches size of machine.memory-backend") Signed-off-by: Marc-André Lureau Reviewed-by: Igor Mammedov Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20200309145155.168942-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini --- softmmu/vl.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/softmmu/vl.c b/softmmu/vl.c index a331fb5321..796a77e234 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -4298,6 +4298,11 @@ void qemu_init(int argc, char **argv, char **envp) backend = object_resolve_path_type(current_machine->ram_memdev_id, TYPE_MEMORY_BACKEND, NULL); + if (!backend) { + error_report("Memory backend '%s' not found", + current_machine->ram_memdev_id); + exit(EXIT_FAILURE); + } backend_size = object_property_get_uint(backend, "size", &error_abort); if (have_custom_ram_size && backend_size != ram_size) { error_report("Size specified by -m option must match size of "