Fix the CPU index check to ensure we don't go beyond the size of the
node_cpu bitmap.
CPU index is always less than MAX_CPUMASK_BITS, as documented at
sysemu.h:
> The following shall be true for all CPUs:
> cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
}
for (cpus = node->cpus; cpus; cpus = cpus->next) {
- if (cpus->value > MAX_CPUMASK_BITS) {
+ if (cpus->value >= MAX_CPUMASK_BITS) {
error_setg(errp, "CPU number %" PRIu16 " is bigger than %d",
- cpus->value, MAX_CPUMASK_BITS);
+ cpus->value, MAX_CPUMASK_BITS - 1);
return;
}
bitmap_set(numa_info[nodenr].node_cpu, cpus->value, 1);