[PATCH] riscv: kvm: fix memory leak in vector context allocation

From: rom.wang

Date: Tue Mar 17 2026 - 07:35:36 EST


From: Yufeng Wang <wangyufeng@xxxxxxxxxx>

Fix a memory leak in kvm_riscv_vcpu_alloc_vector_context() where the
guest vector context allocation is not freed if the host vector context
allocation fails.

Signed-off-by: Yufeng Wang <wangyufeng@xxxxxxxxxx>
---
arch/riscv/kvm/vcpu_vector.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/kvm/vcpu_vector.c b/arch/riscv/kvm/vcpu_vector.c
index 05f3cc2d8e31..46fbf48f2503 100644
--- a/arch/riscv/kvm/vcpu_vector.c
+++ b/arch/riscv/kvm/vcpu_vector.c
@@ -80,8 +80,10 @@ int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu)
return -ENOMEM;

vcpu->arch.host_context.vector.datap = kzalloc(riscv_v_vsize, GFP_KERNEL);
- if (!vcpu->arch.host_context.vector.datap)
+ if (!vcpu->arch.host_context.vector.datap) {
+ kfree(vcpu->arch.guest_context.vector.datap);
return -ENOMEM;
+ }

return 0;
}
--
2.34.1