From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) (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 4CD5C5F480 for ; Tue, 20 Feb 2024 09:34:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708421696; cv=none; b=eQo0jtf9LB8KLjJoj/mCT3pSGtam5BxKdlChKoxXaxF98VHbLQb29eIa5GhzjaoRMbkotMvQM1dueJc/iJlvGRoBlviNjevrWCT4mQ2c3oeCe580jxaXH9zwKQbSPfsPtUZ4fKlSvWBnalqA2rAKV+9YTe/+HyJdDRQYs5u8XE0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708421696; c=relaxed/simple; bh=ubBmdog1G6r13px+LgWtTYrjoS/lNCUCCesWZnqdIwk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=irwrYJYDNGwk53z1DGWCdpRL9W0Qci4xuZOqfh7h3o5mKg3yejktU/znAKS9jKqMI8HIiDrVWMTr47iL2T0uCsoJL1G/bMhg4GCYEZyLl9D88l2hizsmtE96OES0Q5fLXN9KKk8d+oWuKxwBBmLV5U2wrLdqjlYtExLcNcLQgAw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=UDNwCMhv; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="UDNwCMhv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=ubBm dog1G6r13px+LgWtTYrjoS/lNCUCCesWZnqdIwk=; b=UDNwCMhvdGYQvpqfnj3T dEjjeWVu9h7a4urGwSMIT+WkGTPigFPawyu9wqgzDDLlnUaiHWv0tNaqZTDBUXHW aPg8+xD8gQ20VaV1FPs3I0S88LRWcKm4ql5pPiu78kjkNaythn90SMguzgsDHVOn uLj20RrUMsdh4zqNa+FEW7H1qqBc5QAPAPxTAIpa/lAld57Nlfsz0gQWacSiSgZi wMYwCZNgsZK+FryuH2kBiIu51qlPHnt6iraf++70y0W7H295f51PQW79iyqfbeZl XhEYQU8q8VKWy7pQoOG0o4bw3TTF8qQeK08j+ldFL+rQOZp6m6MGlezWnebPPDry Gw== Received: (qmail 3222328 invoked from network); 20 Feb 2024 10:34:42 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 20 Feb 2024 10:34:42 +0100 X-UD-Smtp-Session: l3s3148p1@jcmF68wRMI8ujnsZ Date: Tue, 20 Feb 2024 10:34:42 +0100 From: Wolfram Sang To: Dirk Behme Cc: Linux-Renesas Subject: Re: [PATCH] [RFC] mmc: tmio: Protect the asynchronous usage of mrq by a lock Message-ID: Mail-Followup-To: Wolfram Sang , Dirk Behme , Linux-Renesas References: <20240220061356.3001761-1-dirk.behme@de.bosch.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Mldc9CCWIlyw7q88" Content-Disposition: inline In-Reply-To: <20240220061356.3001761-1-dirk.behme@de.bosch.com> --Mldc9CCWIlyw7q88 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > BUG: KASAN: stack-out-of-bounds in mmc_request_done+0xcc/0x30c > Read of size 1 at addr ffff8005df517738 by task kworker/4:1/2308 Do you have a reproducer for this report? I.e. can you say that this patch fixes the issue? --Mldc9CCWIlyw7q88 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmXUci4ACgkQFA3kzBSg KbZZOQ/9FGRWq9Yjv1nvLfiLBubiQ1ubD0XwtwdTC7vPf0LVq4ESzNAx89KrwVYN akIfOFAeEjl7iZXs3DDxnWemzC4HIEajxpQa8D460c9eKyTyr1k8gIYUNsiscy8N hzy59KJcPfEkF+0Ef4HUhfhLKXncOBhwqZJtw/AS70fg7Vu/kf5uwDWtuuEGOPbM DSf6+vrxP6AJ/8KElFRIx5s6FG8Sx55rI6BOnUDhHW8uFErSNvM5fttsjyyydMSE INJsd/fPd0/mho1++oQ3Vjs+BzTZYKmY7odIQFO4AxYqZoIwwz8HSJgw+KUmeFIj hCtGz4cCfqASQLKoSxwuYM+rRgFkOhqiYCkDSMTfTh/Cg2r9/BpcajqAR1muY5Ru FqEmP+6RMG6lrcWrAacvMK1OmlDlsz79PDbfpSzi6bTjRE2V6UP1wFKAYx3fSQEw wDJ7XZnEoV5mRwz/9O6TDSDzzd2P7FI6svuqQmLdbgTMCS6gJGlgHmWryyO2ThOC ID/hoyVThX07NGaptrfxlCBsw/7TE2SxC/VwV9EcwxeYWKlRuibrMEXBrIuvuXuG u8Ii2X5Qv/HbLWSfM9OYEYFUCCu+YrQaYW8k83SQ1PRYQIk3hWG3pBW6fgSkc25i YOhNsB85jspSH8yQGai2w1HXmYBrWqqqwik+MVDxpGi7A2sq0+c= =Z6br -----END PGP SIGNATURE----- --Mldc9CCWIlyw7q88--