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 772002594BD; Sat, 12 Sep 2026 16:09:45 +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=1789229386; cv=none; b=m9DymivpuBDzEC52PS0owmODxLOj6WJaTdIiBN4YEcglsUMNDxoLfxhRzW9TwHHyQQg//XoadDe3dzzdfu9HeOsNiCWp/zjY/rLHEwzI6Qhgnfj9fwpYB997PyXOECPwyhshBDNEFTcnFcRntM9EmQCPeZe3GYwpPIZo8BRKXNA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789229386; c=relaxed/simple; bh=70DWQqErwAu5XM+zag8ZgPFJgVPEbLMiVgQvQC6csgM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nJ1Yercagb2gTZdvRXDb+PZg5rIND/25cIspzlpn9IU/WtIRQTu/KlO8DDecZ7vyNt0t8IkgdvYRyS/YTYUtKNJKQvNa2ASC0THEzNAxWEI0CqW7XgpS3x/uXQTZC28PcnCFKGG+r8AIUj+vuQjoM5v7awmVY7a349jgbpGB/v8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kSnBdJMr; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="kSnBdJMr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 092C51F00893; Sat, 12 Sep 2026 16:09:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789229385; bh=8RKLBURy5svWPWfu0jqBQCcqtbRRkb/AFUwoUt6WYFw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=kSnBdJMr4N1sT+5BoIMGEH9bEtJ95stk6hUavfh8ZoYCTiHYDaWPb29YY1LBvPEQ6 Ra2+68niLAYCJzMwWX1wYEhg5MMzGILcnrUypw8UwY4F8HgpT1j2k5kKAFOWBXNdky LjgqDreEHQtugl/94apQ0eVBZXQ5XmD1VBJbE/So= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Manish Mandlik , Abhishek Pandit-Subedi , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 6.1 0579/1191] Bluetooth: btusb: Add btusb devcoredump support Date: Sat, 12 Sep 2026 08:55:07 +0200 Message-ID: <20260912065601.250211997@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065548.086904252@linuxfoundation.org> References: <20260912065548.086904252@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Manish Mandlik [ Upstream commit 4f9c1a089623ac606e79a7886646939e0e2f89bf ] This patch implements the btusb driver side .coredump() callback to trigger a devcoredump via sysfs. Signed-off-by: Manish Mandlik Reviewed-by: Abhishek Pandit-Subedi Signed-off-by: Luiz Augusto von Dentz Stable-dep-of: ef8154d8b52d ("usb: fix UAF when probe runs concurrent to dyn ID removal") Signed-off-by: Sasha Levin --- drivers/bluetooth/btusb.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 909e27bf0995f..f5785495eb2c3 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -4415,6 +4415,17 @@ static int btusb_resume(struct usb_interface *intf) } #endif +#ifdef CONFIG_DEV_COREDUMP +static void btusb_coredump(struct device *dev) +{ + struct btusb_data *data = dev_get_drvdata(dev); + struct hci_dev *hdev = data->hdev; + + if (hdev->dump.coredump) + hdev->dump.coredump(hdev); +} +#endif + static struct usb_driver btusb_driver = { .name = "btusb", .probe = btusb_probe, @@ -4426,6 +4437,14 @@ static struct usb_driver btusb_driver = { .id_table = btusb_table, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, + +#ifdef CONFIG_DEV_COREDUMP + .drvwrap = { + .driver = { + .coredump = btusb_coredump, + }, + }, +#endif }; module_usb_driver(btusb_driver); -- 2.53.0