From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6266ACA52 for ; Fri, 8 Aug 2025 00:45:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754613901; cv=none; b=V+n3FARf20W1EAumuW1/Y40r8U2sY1db/EBi6y8x1WCamFo6uug2EHgXAPoxUqNV96JnXL1NdgyFGhoiU+rSWtE9Ef6b1rivnvPaYOjwoHCrS7iXNTAntqUCdcE+wGo0nGaN+s09PjhJCrtN4ZW9hGzVHBXAuYAMbi4tJWg+MWc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754613901; c=relaxed/simple; bh=L/URCQnX/m7knHBLxzgAaMCU053TqL3zf7Kl0navhKQ=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=CS8cNkcO2ocRC3R21o8D+2d2oAfzZHFgcMkLH6FDRDMvQUIhn8XmqcyBYSrkmYXPboFxSee2dcYDsANM9YMVTTEHwQAdVdh5U46BEWXG8ZskAI8KKJhpVTO3FeD7s3R0K9i2tufEp9tJvJa2N/flvGf6yCNpNs6Mx721p+NsYo8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=q3QvhiQk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="q3QvhiQk" Received: by smtp.kernel.org (Postfix) with ESMTPS id F049FC4CEEB for ; Fri, 8 Aug 2025 00:45:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754613901; bh=L/URCQnX/m7knHBLxzgAaMCU053TqL3zf7Kl0navhKQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=q3QvhiQk6jvdyRlZjSbHDKVTx8lsSDKzXdmGCS1KZR1Zx2RA+CIkxMNWE98S1G7ar Hiydz2CLPltnpVrjMzRltr6OxDsbkEZEexKiZ1i0pabKGQcZmjJn1v+qaHpJLjWKjf yCTt5+iaqfzWWE5+xdBfEhXi7SssbWf8M6OMi81hJMjmpqpIYyyTovuvpiXe3oL/40 nc0NvC4IX88kzuj/swEjxAqgVf/MUfnoz7riQ20v+kksI9Vg4e+AI3KJcZN6Hn+Qsc wpD/k3jNy+XDlLOSVnvqqUOADTDE76oRwqq2KvTh3tM185se8UqweET8SFc9o/2VuH Zf8czNBM5A3uw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id DEE14C433E1; Fri, 8 Aug 2025 00:45:00 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220422] USB: Misdecoded serial number from Dymo Twin Turbo (0922:0018) breaks multi-device support in CUPS Date: Fri, 08 Aug 2025 00:45:00 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: steve@groesz.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D220422 --- Comment #4 from steve@groesz.org --- the easiest (least code) fix would be to drop the first two bytes and decode the remaining data as utf-16-be (big endian) for affected devices. This will yield usable and unique values that can be safely used by upstream tools. I don't mind writing a patch but I am struggling a bit to understand how qu= irks are written. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=