[{"id":3682991,"web_url":"http://patchwork.ozlabs.org/comment/3682991/","msgid":"","list_archive_url":null,"date":"2026-04-27T20:51:38","subject":"Re: [PATCH 39/41] hw/riscv/virt: free flash devices and OEM strings\n on finalization","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/people/85046/","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"content":"On 27/4/26 21:42, Marc-André Lureau wrote:\n> Add instance_finalize to free the two pflash devices (when unrealized)\n> and the OEM ID strings allocated during instance_init. Fixes leaks\n> found by ASan.\n> \n> Fixes: 71eb522c4063 (\"riscv/virt: Add the PFlash CFI01 device\")\n> Signed-off-by: Marc-André Lureau \n> ---\n> hw/riscv/virt.c | 14 ++++++++++++++\n> 1 file changed, 14 insertions(+)\n\nReviewed-by: Philippe Mathieu-Daudé ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=OAo+cmj1;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g4G2j5H9gz1xvV\n\tfor ; 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::42a;\n envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.google.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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3683071,"web_url":"http://patchwork.ozlabs.org/comment/3683071/","msgid":"","list_archive_url":null,"date":"2026-04-28T02:19:57","subject":"Re: [PATCH 39/41] hw/riscv/virt: free flash devices and OEM strings\n on finalization","submitter":{"id":64571,"url":"http://patchwork.ozlabs.org/api/people/64571/","name":"Alistair Francis","email":"alistair23@gmail.com"},"content":"On Tue, Apr 28, 2026 at 5:49 AM Marc-André Lureau\n wrote:\n>\n> Add instance_finalize to free the two pflash devices (when unrealized)\n> and the OEM ID strings allocated during instance_init. Fixes leaks\n> found by ASan.\n>\n> Fixes: 71eb522c4063 (\"riscv/virt: Add the PFlash CFI01 device\")\n> Signed-off-by: Marc-André Lureau \n\nReviewed-by: Alistair Francis \n\nAlistair\n\n> ---\n> hw/riscv/virt.c | 14 ++++++++++++++\n> 1 file changed, 14 insertions(+)\n>\n> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c\n> index a1c323e66df..315049bc86c 100644\n> --- a/hw/riscv/virt.c\n> +++ b/hw/riscv/virt.c\n> @@ -1745,6 +1745,19 @@ static void virt_machine_init(MachineState *machine)\n> qemu_add_machine_init_done_notifier(&s->machine_done);\n> }\n>\n> +static void virt_machine_instance_finalize(Object *obj)\n> +{\n> + RISCVVirtState *s = RISCV_VIRT_MACHINE(obj);\n> +\n> + for (int i = 0; i < ARRAY_SIZE(s->flash); i++) {\n> + if (s->flash[i] && !qdev_is_realized(DEVICE(s->flash[i]))) {\n> + object_unref(OBJECT(s->flash[i]));\n> + }\n> + }\n> + g_free(s->oem_id);\n> + g_free(s->oem_table_id);\n> +}\n> +\n> static void virt_machine_instance_init(Object *obj)\n> {\n> RISCVVirtState *s = RISCV_VIRT_MACHINE(obj);\n> @@ -1984,6 +1997,7 @@ static const TypeInfo virt_machine_typeinfo = {\n> .parent = TYPE_MACHINE,\n> .class_init = virt_machine_class_init,\n> .instance_init = virt_machine_instance_init,\n> + .instance_finalize = virt_machine_instance_finalize,\n> .instance_size = sizeof(RISCVVirtState),\n> .interfaces = (const InterfaceInfo[]) {\n> { TYPE_HOTPLUG_HANDLER },\n>\n> --\n> 2.53.0\n>\n>","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=crhFhyU/;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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