From nobody Fri Sep 19 02:19:36 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B426BC4321E for ; Wed, 30 Nov 2022 23:11:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229625AbiK3XLl (ORCPT ); Wed, 30 Nov 2022 18:11:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229835AbiK3XKs (ORCPT ); Wed, 30 Nov 2022 18:10:48 -0500 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1A8599F41 for ; Wed, 30 Nov 2022 15:10:06 -0800 (PST) Received: by mail-pg1-x549.google.com with SMTP id q63-20020a632a42000000b0045724b1dfb9so102197pgq.3 for ; Wed, 30 Nov 2022 15:10:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=eiSwfPmu4ewAiGcYbvYY+86df6I0KPgxP3gGecAMxPE=; b=iL8L003XqB+GKgCwHArr5kcxs4MyewOQ/xo1XysK8lk71q/4iO5w3SKvia9KqD7amd nXu1/r0fblzdTNOJpq/EYl9gFk0lysyFVV/7oFccNNQgU1JhwDr1/0HsYHMNLSclslmA UAtezhSD+JCAni39XkYX4QGkvZksvWY0lR4tjm/jCfiuQLeieGvg5A3LN33ihkcJ66/D QbO+O4mX6xEZLgdpufHO4gE+50I1GNIH2gNitP+ZjnsiKLl2r5s0LRLVS15/Koi+mQZn TJODgWK9oIR1COz+tFiDAPrhXmMt5j7wHvbTN67IWmBvfAG9+GHxtj6LR7jSg7tvIMuj 4E5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=eiSwfPmu4ewAiGcYbvYY+86df6I0KPgxP3gGecAMxPE=; b=O3rwIwfwMA/qkW6QBX6qnwJQi/bxrM6ZOreGjtaecawkwvAfB9JjrZ0q3v9tMTgTjJ KMdHg23PwuR+aJXSOxBxO+oY/D8kfpkgwQTatKRJRC+PPpUaqvi2RtLHess3vOFgmM0j tW+lBl9//d82h0eaOxn04lqHKC2ti0lyVfpogB0YkLtJp0Y6klyVz/X7LOIRk9YExEEr VKK+CYLSpvh8ZWFTZW/4Fv3CFcLDTuQXJJdorsvkQnR60EA/ZVOqWDBvgFIjdRcCiZmB 2EzU/bl4vi4loV/Bky+CKEj7jI1dfnwiRLfSz9KQOLrrffsszTYUzFN/OpcFqvRWShXf dhXw== X-Gm-Message-State: ANoB5pnOoxsJnTvivvZPWrhvo+Awwm+qhG9QeEN00GAdoNzdB0vJVtTY wZN6EokwE1FD6GI2n7BYV9r2YqEtKCw= X-Google-Smtp-Source: AA0mqf6KEmE4iPJ9U98BX162/oz5Lzb4cw+ziaGyrlJEvv/WGc/WSrrcrRcdtUijxIw8BMhf6X3VggubLl4= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:90a:ce05:b0:219:23ea:b314 with SMTP id f5-20020a17090ace0500b0021923eab314mr23130247pju.230.1669849806254; Wed, 30 Nov 2022 15:10:06 -0800 (PST) Reply-To: Sean Christopherson Date: Wed, 30 Nov 2022 23:09:01 +0000 In-Reply-To: <20221130230934.1014142-1-seanjc@google.com> Mime-Version: 1.0 References: <20221130230934.1014142-1-seanjc@google.com> X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog Message-ID: <20221130230934.1014142-18-seanjc@google.com> Subject: [PATCH v2 17/50] KVM: arm64: Free hypervisor allocations if vector slot init fails From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Huacai Chen , Aleksandar Markovic , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Matthew Rosato , Eric Farman , Sean Christopherson , Vitaly Kuznetsov , David Woodhouse , Paul Durrant Cc: James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Atish Patra , David Hildenbrand , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Yuan Yao , Cornelia Huck , Isaku Yamahata , "=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?=" , Fabiano Rosas , Michael Ellerman , Kai Huang , Chao Gao , Thomas Gleixner Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Teardown hypervisor mode if vector slot setup fails in order to avoid leaking any allocations done by init_hyp_mode(). Fixes: b881cdce77b4 ("KVM: arm64: Allocate hyp vectors statically") Signed-off-by: Sean Christopherson --- arch/arm64/kvm/arm.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 07f5cef5c33b..fa986ebb4793 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -2237,18 +2237,18 @@ int kvm_arch_init(void *opaque) err =3D kvm_init_vector_slots(); if (err) { kvm_err("Cannot initialise vector slots\n"); - goto out_err; - } - - err =3D init_subsystems(); - if (err) goto out_hyp; + } + + err =3D init_subsystems(); + if (err) + goto out_subs; =20 if (!in_hyp_mode) { err =3D finalize_hyp_mode(); if (err) { kvm_err("Failed to finalize Hyp protection\n"); - goto out_hyp; + goto out_subs; } } =20 @@ -2262,8 +2262,9 @@ int kvm_arch_init(void *opaque) =20 return 0; =20 -out_hyp: +out_subs: hyp_cpu_pm_exit(); +out_hyp: if (!in_hyp_mode) teardown_hyp_mode(); out_err: --=20 2.38.1.584.g0f3c55d4c2-goog