From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E298531F9A4 for ; Mon, 31 Aug 2026 05:29:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788154191; cv=none; b=XcPvq20d8Q7ALDgT0M7seXW39++0GaEpSyfW+83Q7IV7bHPGsHtLQ15PTwuP85VprSvl4nLPM3+I3+omRw8NHWUbZQkCxQ81rmojI6T/g51du50b87vbmysSJrzlbYzoaSm2h3lOt+fcXreHfJfr/jspAsEeoIdzHH0M4ispc/E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788154191; c=relaxed/simple; bh=NR2xhHsnWfhj+7nxMFgQ71POAHT7HtYBW3gM0byn+78=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=tcLGpZD8QZlUpa7aFLOZOw8lWGkbp0cgVF4nddTmqm//duLCQH0ZIfUxZxSyVxpUD4i8VhNfODNKENovv6yadYQ4qbJjwzWwwcNUT7KXDvVybnmJxeDv2W2cUt99Ysw3LBdcOsaj3Rl4nqiR9qC/pKERDo9nA/ocsop3Yjd70nY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nwrPcNjL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nwrPcNjL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F2811F000E9; Mon, 31 Aug 2026 05:29:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788154190; bh=9AhYiuBq+iESAW2rGDkSKScbZ6UNn9U0olE9VZXlvyw=; h=From:To:Cc:In-Reply-To:References:Subject:Date; b=nwrPcNjL/epHn8y+vafdBR4gQhH6k3/u1WFqhx6y8jpjANxhfRpaxqMTUVI0LObZb RLjkcsREsVLE1GzkrYTanb4HJ0Gl6yI4NQOlRuqQy5ZatYzKqHbWzyGL2hrIgVI3xD H2fz3MqScZzSoj9PHDWs05NogJFcvM4sbgUCe0jq7LidOOLGmGtWNQW7dccI+iJ+oT uUgdgCJasBRxKONY5wGQ3wejljSwe93+B+xu95fnf8TsUUJzzzfpUu/YK3pDaFguZ+ luxiT2ymkiXj69TUptWzPLiyGUZco1Hq3ZwX5hkb4s0wGGy1upMZCo59wSLisVLTm5 wp66L0TeFWxoA== From: Niklas Cassel To: Damien Le Moal , Niklas Cassel Cc: syzbot+891c7b195b408052e519@syzkaller.appspotmail.com, linux-ide@vger.kernel.org In-Reply-To: <20260818094205.2672967-2-cassel@kernel.org> References: <20260818094205.2672967-2-cassel@kernel.org> Subject: Re: [PATCH] ata: ata_generic: Do not bind to devices that are not IDE controllers Message-Id: <178815418923.91533.5133431753834931424.b4-ty@kernel.org> Date: Mon, 31 Aug 2026 07:29:49 +0200 Precedence: bulk X-Mailing-List: linux-ide@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 On Tue, 18 Aug 2026 11:42:05 +0200, Niklas Cassel wrote: > syzbot force-bound ata_generic to 0000:00:03.0 on a QEMU arm64 virt > machine. That device is a virtio-blk-pci device holding the root file > system, and it reports PCI class 0x010000, i.e. PCI_CLASS_STORAGE_SCSI. > > QEMU gives the virtio-blk-pci device a legacy virtio I/O BAR0 and a 4 KiB > MSI-X BAR1, so both resources are non-empty, the port is not discarded, > and the device control register ends up in the middle of the MSI-X table. > > [...] Applied to libata/linux.git (for-7.4), thanks! [1/1] ata: ata_generic: Do not bind to devices that are not IDE controllers https://git.kernel.org/libata/linux/c/29b86026 Kind regards, Niklas