From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from abb.hmeau.com (abb.hmeau.com [180.181.231.80]) (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 37C6330FC31; Fri, 14 Nov 2025 10:24:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=180.181.231.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763115871; cv=none; b=Cjp/hJXZabpUZaqzNVWmfjOtgZOIxQeBFK1PJHiCmCNomrC+IwOh9Udd7tFH8iPP18A9ipQqQy4LzXi/8eTN4TVPc/pnE1GV5W3R6oijjJGRvtK/wYuwBUMeKBvIxg9i92wd78JKB2HsQ7tKX++x1e+8fxRqdEk+TAop9hdyb3M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763115871; c=relaxed/simple; bh=L2znFfLlo19Ya/Q4qyF5INzpQfXSumiV/vZ9w6Jdumo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KDhScZBGmYsa2kS2ForPL6+YS4707QoMLvzKb72FIdNZHK1p7X08LhAJovFlXNOViN5Efj1q2q4AWSaeA6933U0WRAT1f6byvmhNY0tXk27ur6zeoooOeO9iGX+mUWjVKM67GlsPYz52BQTjBvhzxDQBBPRMJPI7bnjeab8rKxs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.b=jixnp9Dj; arc=none smtp.client-ip=180.181.231.80 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gondor.apana.org.au header.i=@gondor.apana.org.au header.b="jixnp9Dj" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gondor.apana.org.au; s=h01; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:cc:to:subject:message-id:date: from:content-type:reply-to; bh=8EAg98BYyKHe7EgrE3l9zD3sK3piwHgmRR9FV9NI7Ds=; b=jixnp9DjvvE/bDwBzVdplP9o9ik25RgeLZl/iStoDkR5NBffS8wAmsPUaUClX+XjiDGJ8SP1oeM 5CeQWcmdaRdKFtduSytHmc9qhQZB/19MGSBAatC5SqTp5bHusIKFT9f5lHpvnd3n1F2cHmCOCk0E0 9a60IbYSmJPocqqrOzhhhj5GJuiJ8jyk+fAIzEPXRAMr5RiINzCtXTLbdfaqP+wc8IDDYtribnkE5 LAcqkeh0Y3x3kPGZsnSwpAFrqlh+wnbT5nAiYgFQVbeeBZDrBNBMDXTDbQfjYsOy0nOI7ekwvuzCb UhjkZUyBXkRCAmZ7rw6l3P23PjgrIjc7igyg==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1vJqyN-002yRC-0c; Fri, 14 Nov 2025 18:24:08 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 14 Nov 2025 18:24:07 +0800 Date: Fri, 14 Nov 2025 18:24:07 +0800 From: Herbert Xu To: Thorsten Blum Cc: "David S. Miller" , Nick Terrell , David Sterba , Kees Cook , "Gustavo A. R. Silva" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] crypto: zstd - Annotate struct zstd_ctx with __counted_by Message-ID: References: <20251108120740.149799-2-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251108120740.149799-2-thorsten.blum@linux.dev> On Sat, Nov 08, 2025 at 01:07:40PM +0100, Thorsten Blum wrote: > Add the __counted_by() compiler attribute to the flexible array member > 'wksp' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and > CONFIG_FORTIFY_SOURCE. > > Use struct_size(), which provides additional compile-time checks for > structures with flexible array members (e.g., __must_be_array()), for > the allocation size for a new 'zstd_ctx' while we're at it. > > Signed-off-by: Thorsten Blum > --- > crypto/zstd.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt