* [PATCH] KVM: arm64: selftests: Allocate vcpus with correct size
@ 2025-10-08 15:45 Zenghui Yu
2025-10-13 16:56 ` Marc Zyngier
0 siblings, 1 reply; 2+ messages in thread
From: Zenghui Yu @ 2025-10-08 15:45 UTC (permalink / raw)
To: kvmarm, linux-arm-kernel
Cc: maz, oliver.upton, joey.gouly, suzuki.poulose, Zenghui Yu
vcpus array contains pointers to struct kvm_vcpu {}. It is way overkill
to allocate the array with (nr_cpus * sizeof(struct kvm_vcpu)). Fix the
allocation by using the correct size.
Signed-off-by: Zenghui Yu <zenghui.yu@linux.dev>
---
tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c b/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
index 87922a89b134..b134a304f0a6 100644
--- a/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
+++ b/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
@@ -331,7 +331,7 @@ static void setup_vm(void)
{
int i;
- vcpus = malloc(test_data.nr_cpus * sizeof(struct kvm_vcpu));
+ vcpus = malloc(test_data.nr_cpus * sizeof(struct kvm_vcpu *));
TEST_ASSERT(vcpus, "Failed to allocate vCPU array");
vm = vm_create_with_vcpus(test_data.nr_cpus, guest_code, vcpus);
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] KVM: arm64: selftests: Allocate vcpus with correct size
2025-10-08 15:45 [PATCH] KVM: arm64: selftests: Allocate vcpus with correct size Zenghui Yu
@ 2025-10-13 16:56 ` Marc Zyngier
0 siblings, 0 replies; 2+ messages in thread
From: Marc Zyngier @ 2025-10-13 16:56 UTC (permalink / raw)
To: kvmarm, linux-arm-kernel, Zenghui Yu
Cc: oliver.upton, joey.gouly, suzuki.poulose
On Wed, 08 Oct 2025 23:45:20 +0800, Zenghui Yu wrote:
> vcpus array contains pointers to struct kvm_vcpu {}. It is way overkill
> to allocate the array with (nr_cpus * sizeof(struct kvm_vcpu)). Fix the
> allocation by using the correct size.
>
>
Applied to fixes, thanks!
[1/1] KVM: arm64: selftests: Allocate vcpus with correct size
commit: 2192d348c0aa0cc2e7249dc3709f21bfe0a0170c
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-10-08 15:45 [PATCH] KVM: arm64: selftests: Allocate vcpus with correct size Zenghui Yu
2025-10-13 16:56 ` Marc Zyngier
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