There is a 'malloc' call in config_name function, which can be unsuccessful. This patch will add the malloc failure checking to avoid possible null dereference and give more information about test fail reasons.
Signed-off-by: Kunwu Chan chentao@kylinos.cn --- tools/testing/selftests/kvm/get-reg-list.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c index 91f05f78e824..22398696ffd6 100644 --- a/tools/testing/selftests/kvm/get-reg-list.c +++ b/tools/testing/selftests/kvm/get-reg-list.c @@ -66,6 +66,7 @@ static const char *config_name(struct vcpu_reg_list *c) len += strlen(s->name) + 1;
c->name = malloc(len); + TEST_ASSERT(c->name, "-ENOMEM when allocating config name");
len = 0; for_each_sublist(c, s) {