From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792720668; b=3CyJfuyNgtclauL8q44Sq4Pf3B49qj8PMbSJwvvLYd6tl+ycQWRl/yDvOfnCD/grLzoJ pe1zfEQTO0ZkaofE7Jp3tac4VFGJ4xW+KB7pG6aHdBrrZqxc4NX3Uhbg8WKwFYiKmFkIh E0YUzv9NoF1tMdAA1M25oPnAlYFyaddJBFtNzqvdcM4ZEpHM01gYcZGIpff0y3axhDreu tNy6qmp/VZI9LuH+NNFrkTwOlKFF5yBtL7yOA/YN7QHAPLxunbOKlO+ohLAMS+P8kfWpt bA2LQkjj7qr3pxFjJQ+8efH7omB/EEWBEtKMqZQPhMOBfGtOcwO8rXJj90I70rggRQQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792720668; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=/DTnVxRwtB8f3dA03fXrF57ein3lbbtiBqO++ouc+z0=; b=Q3UyYUiMZfteodj41QZU8gnaiRSjPRv35xJaIhN6c80cTfvKCPU9kCmyBkQJ8iJBV7cG irLBCvbUo4zFGwSoLx7l32Z2J+KReMKZKmrcttqKqtlC0HRSrUkn11+iOdTAcIW27jprC iJaq6pWfflbBJcyYfhLYfbgGY6V9Do0mfDxqVKUaZDcmn3wHEsVnPaWQJeq9+G9d/YFUE yFUWaYC6Who3F/7nzbIxBr9KZrH+y6hiLsQn5NhRvthDHzFqK9KCsRxJIChnMnPnYd2rX 0Cx9j3ZJElZDZ1HlNyMkfud4VkTLRMY8Yj9PKeLUgYPqCI5ZCQTZhVEQhFW35je5aVA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=F+AN3lbJ; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 951A5606A31B for ; Fri, 23 Oct 2026 01:57:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=F+AN3lbJ Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25EC21F01828; Fri, 23 Oct 2026 01:57:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792720668; bh=/DTnVxRwtB8f3dA03fXrF57ein3lbbtiBqO++ouc+z0=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=F+AN3lbJZGsAgaA+z77B0Kz7O2dpymxT10pkrmeDG7hBFVcKeulXVkQhtsY9wLwwE XP/fwJkxGR1IZrwd/hm2hT29C6hrb/I9SR38g2SdQC0Bnz8jmbUO4N9NaqZ2TgImTO VkQ8htCOIZdK+WMCtEEFS69KtsbBCmsZcVy44tTgqDj7Ul3a49ODt9eSPW8e8zv731 SWpduPjCk6P4LKN83VYJ8TaoJFAt7hN2uGGUHxtOQFOVOaTAyUvHPKvkz3xLHRK7B/ ylv1tIiT/M9XYEfPMS2FP8kBY5CB1AwMLi6JRtFcBNY9ZUpqvvTtvWLNPn/xvBFrNt qFtuXWeaVcJ5w== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 2/2] kasan/test: cover load_unaligned_zeropad() Reply-To: sashiko-reviews@lists.linux.dev To: "Qiliang Yuan" Cc: linux-s390@vger.kernel.org, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261023-bug-word-at-a-time-zeropad-kasan-v2-2-be0ecfbae847@gmail.com> References: <20261023-bug-word-at-a-time-zeropad-kasan-v2-0-be0ecfbae847@gmail.com> <20261023-bug-word-at-a-time-zeropad-kasan-v2-2-be0ecfbae847@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 23 Oct 2026 01:57:47 +0000 X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > On architectures with CONFIG_DCACHE_WORD_ACCESS, load_unaligned_zeropad() > does the word loads of the dcache name compare and of path name > hashing. >=20 > None of the KASAN test cases reads memory through it, so nothing > noticed that KASAN did not check these loads at all. >=20 > Add a case that reads a freed object through load_unaligned_zeropad() > and expects a report. Skip it with hardware tag-based KASAN, since > arm64 turns tag checking off for this load: >=20 > kasan_load_unaligned_zeropad, x86_64, generic KASAN > without "word-at-a-time: check the first byte in > load_unaligned_zeropad()" FAILED > with it PASSED >=20 > Signed-off-by: Qiliang Yuan Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261023-bug-word-a= t-a-time-zeropad-kasan-v2-0-be0ecfbae847@gmail.com?part=3D2