| Message ID | 1357928108-21066-8-git-send-email-ehabkost@redhat.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/vl.c b/vl.c index 19010fa..31175f6 100644 --- a/vl.c +++ b/vl.c @@ -1112,6 +1112,11 @@ static void numa_node_add(const char *optarg) nodenr = strtoull(option, NULL, 10); } + if (nodenr >= MAX_NODES) { + fprintf(stderr, "qemu: invalid NUMA nodeid: %d\n", nodenr); + exit(1); + } + if (get_param_value(option, 128, "mem", optarg) == 0) { node_mem[nodenr] = 0; } else {
Without this check, qemu-kvm will corrupt memory if a too-large nodeid is provided in the command-line. e.g.: -numa node,mem=...,cpus=...,nodeid=65 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> --- vl.c | 5 +++++ 1 file changed, 5 insertions(+)