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 A91D726CE14 for ; Thu, 7 Aug 2025 16:04:35 +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=1754582675; cv=none; b=IM8Nv0f1S/yxplcuu1imglhvnseqNxAJD/qvuinoi3gyrislfvJyJupRmHpDavpzi1B0cFtTTQ9BCOpN/2YCJ4bP8/vAcO2Gm+BDVQH+3uN0f4XXtOV/QbY5Bl6szKBm0nVdUvGZILh8eViUzoZONk3rWBfbcPTBIVXizorfUCw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754582675; c=relaxed/simple; bh=/BbNXS6spj4upBCr/GqdInSwNvPo2KT+w1TO5Tq17UI=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=utrmVhhWIqox6f6cddYqHu2XP+i2AuKppDTRhembYuxtderLd/VI7goUJECvznusHfwVV790TUgX8RfmyIHCsWQBXoGiFbYsR01HVpmDrUeqia52FiSBIbF+zLCsQ/l9chHYZhcVoLiPfXpLuOH57AZf/mq1Ubl6JBAv5Je0KRQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pZNjqwJl; 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="pZNjqwJl" Received: by smtp.kernel.org (Postfix) with ESMTPS id 787CDC4CEF1 for ; Thu, 7 Aug 2025 16:04:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754582675; bh=/BbNXS6spj4upBCr/GqdInSwNvPo2KT+w1TO5Tq17UI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=pZNjqwJlxzTSKt4XZ15s03Gh3L4TzxsYShbZuTB7m/84s1PVmsR5ttu7gU4ynwgld tmZImqFLif1k2Ivgu7dWnq1c6ykWxBXSjvrPUQry1WUZenuEsxWT+v3wrpByidqSK3 Yd36y7YgvB8XsPzM5oF3LAvE0zreO86QOBwipHphupJLwQh1yiDAYPridYn1r6Ma6V tC6oAHm4VhjU5tCFXWMfCwqi+XR6HT4dOVO0MV7tQ4cXQGmTxv+We/RHKBJuuhuBtz H0/UyK461zTHRrBI8/3abzhf7f09aDEChU4WHzOBg/xJ+CpS0iyUgj2J44tvLFjnP+ bsdUxAfIYpdwA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 6A75FC3279F; Thu, 7 Aug 2025 16:04:35 +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: Thu, 07 Aug 2025 16:04:35 +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: gregkh@linuxfoundation.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 #2 from gregkh@linuxfoundation.org --- On Thu, Aug 07, 2025 at 01:46:44AM +0000, bugzilla-daemon@kernel.org wrote: > **Expected Behavior:** > The kernel should decode USB string descriptors defensively, including > recovery > from common misalignment issues in UTF-16LE encoding. Devices that return > malformed descriptors should still expose unique serial numbers if the raw > data > permits recovery. The device should be fixed instead, how did this device pass the USB-IF testing framework? thanks, greg k-h --=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.=