machine defaults to find_default_machine(), then gets overridden via -M and machine_parse().
If no -M is specified and find_default_machine() returns NULL (when no machine compiled in), exit with an error. Avoids a segfault when setting machine->max_cpus. Signed-off-by: Andreas Färber <andreas.faer...@web.de> --- vl.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/vl.c b/vl.c index f169aac..16fa222 100644 --- a/vl.c +++ b/vl.c @@ -3089,6 +3089,11 @@ int main(int argc, char **argv, char **envp) data_dir = CONFIG_QEMU_DATADIR; } + if (machine == NULL) { + fprintf(stderr, "No machine found.\n"); + exit(1); + } + /* * Default to max_cpus = smp_cpus, in case the user doesn't * specify a max_cpus value. -- 1.7.7