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Wed, 08 Feb 2023 09:19:40 -0800 (PST) X-Google-Smtp-Source: AK7set/KBb2MrW0r5967WSLGWz1Gh+xdGj89XHQi/O7o5CPalBYg4dmyREs/n3/ivzIAiK+e1zrmbw== X-Received: by 2002:a17:906:1182:b0:878:605b:ffef with SMTP id n2-20020a170906118200b00878605bffefmr8993630eja.55.1675876780465; Wed, 08 Feb 2023 09:19:40 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Thomas Huth Subject: [PULL 04/11] vl: catch [accel] entry without accelerator Date: Wed, 8 Feb 2023 18:19:15 +0100 Message-Id: <20230208171922.95048-5-pbonzini@redhat.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230208171922.95048-1-pbonzini@redhat.com> References: <20230208171922.95048-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1675876892708100007 Content-Type: text/plain; charset="utf-8" Avoid a SIGSEGV and return an error instead. Reported-by: Thomas Huth Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1439 Signed-off-by: Paolo Bonzini --- softmmu/vl.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/softmmu/vl.c b/softmmu/vl.c index b2ee3fee3f06..06c9c931565e 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -2204,14 +2204,18 @@ static int do_configure_accelerator(void *opaque, Q= emuOpts *opts, Error **errp) int ret; bool qtest_with_kvm; =20 + if (!acc) { + error_setg(&error_fatal, QERR_MISSING_PARAMETER, "accel"); + goto bad; + } + qtest_with_kvm =3D g_str_equal(acc, "kvm") && qtest_chrdev !=3D NULL; =20 if (!ac) { - *p_init_failed =3D true; if (!qtest_with_kvm) { error_report("invalid accelerator %s", acc); } - return 0; + goto bad; } accel =3D ACCEL(object_new_with_class(OBJECT_CLASS(ac))); object_apply_compat_props(OBJECT(accel)); @@ -2221,14 +2225,17 @@ static int do_configure_accelerator(void *opaque, Q= emuOpts *opts, Error **errp) =20 ret =3D accel_init_machine(accel, current_machine); if (ret < 0) { - *p_init_failed =3D true; if (!qtest_with_kvm || ret !=3D -ENOENT) { error_report("failed to initialize %s: %s", acc, strerror(-ret= )); } - return 0; + goto bad; } =20 return 1; + +bad: + *p_init_failed =3D true; + return 0; } =20 static void configure_accelerators(const char *progname) --=20 2.39.1