From: Osama Abdelkader Date: Mon, 16 Mar 2026 15:16:11 +0000 (+0100) Subject: riscv: kvm: fix vector context allocation leak X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7c958d7c1eb1cb9b2be7b5ee4129fcd66cec978;p=thirdparty%2Fkernel%2Fstable.git riscv: kvm: fix vector context allocation leak When the second kzalloc (host_context.vector.datap) fails in kvm_riscv_vcpu_alloc_vector_context, the first allocation (guest_context.vector.datap) is leaked. Free it before returning. Fixes: 0f4b82579716 ("riscv: KVM: Add vector lazy save/restore support") Cc: stable@vger.kernel.org Signed-off-by: Osama Abdelkader Reviewed-by: Andy Chiu Link: https://lore.kernel.org/r/20260316151612.13305-1-osama.abdelkader@gmail.com Signed-off-by: Anup Patel --- diff --git a/arch/riscv/kvm/vcpu_vector.c b/arch/riscv/kvm/vcpu_vector.c index 05f3cc2d8e31..5b6ad82d47be 100644 --- a/arch/riscv/kvm/vcpu_vector.c +++ b/arch/riscv/kvm/vcpu_vector.c @@ -80,8 +80,11 @@ 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); + vcpu->arch.guest_context.vector.datap = NULL; return -ENOMEM; + } return 0; }