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 E1347248F47 for ; Sat, 28 Jun 2025 17:26:23 +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=1751131584; cv=none; b=laIr00k4ghWn1PKhPx0DIK0JLFj3oXTOv7I+inluyMor1kSVC2HokVYQNhTxsZ9LGOniT5H6eoYdggb2wtahchGSD8ZlOSeRHx8Wj3Xg0nKV2vTpqfsG7O3hLoXBM3wHf83uLZuZ2+zRvR7DJxeHt1sFGy57tsT8l8NJu6EWiig= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751131584; c=relaxed/simple; bh=+9eacpmBT5MbyuxgeWf8xNIbvrx8mlx6TZ58qUWy4zY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=ZW938uGN/vj1jMNpKgcWBv0fIcuExlfBKW6nMivv/WdjsU1RAc4fdQNfwvJjZb6XUxll9EfdnHXbFZerZL1X54vpP3uAYwqPAWUEE9KA9QmHlE8r8TtPss5A8VnH6HikKE4CQMY5iO+zeEf1pYa/gyYDILkHdcYtiDkHeGEBwks= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XSApTcP6; 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="XSApTcP6" Received: by smtp.kernel.org (Postfix) with ESMTPS id 59A41C4CEED for ; Sat, 28 Jun 2025 17:26:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751131583; bh=+9eacpmBT5MbyuxgeWf8xNIbvrx8mlx6TZ58qUWy4zY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=XSApTcP6jF78jiS4ZXVqgfXwi6P+2Nj7x9lIxa/tJoJIzJ9mQQLqcJ5Yc3dgYqlFl Vj3k8POE5t/T/snD2fTsBMsRH32e2drvv+QtWBSFddU8PoMSzpSX6cWo3ovUHHmL4I lxjFp1LSk6ayDXHqej+XxXOn76xkMQC//HI+3tbs+KMxntx1KaS+DXYnDO0vd5F5+G dX67mxav5Z3QxAH1/+YeqduQCWf7cuKIgErkCGDDsjo0KMDggHrZ+5KFTDst4Nw9Oz kqmlUufeiGuO25yiMNH177XcoB/QVMwx5ZTsqmNjUXR/EYlYuEt4a9k8G81Nc4Wr99 9exNMk6NN98Iw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 42EE6C433E1; Sat, 28 Jun 2025 17:26:23 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220272] Latent race condition in USB code unveiled with optimized memset_64.S Date: Sat, 28 Jun 2025 17:26:23 +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: m.seyfarth@gmail.com 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=3D220272 --- Comment #14 from Marcus Seyfarth (m.seyfarth@gmail.com) --- Could you please explain to me what the reported result means? Was there an error on my end or does it mean that there is something wrong in the USB co= de which is hard to debug further? I came up with a less efficient memset_64.S implementation that does not un= veil this issue, whatever it is. --=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.=