From nobody Tue Dec 2 01:36:32 2025 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 3C8622D4816; Sat, 22 Nov 2025 19:42:47 +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=1763840569; cv=none; b=BIuWdehfYGns5SZU8BxBPwzVPZELrLg8i3mXwvVKmkvzH7WPSKRfx/SNcB6TJVqmR6vJvG1nwDDIvcWnO0DxcpUNhX8Smc4rPUvVH2tueUptA8creqnu2h3cr+I10YJjBV5nH0REm5F27RWST76BPq9puV8G+T3VoM5tIMbHHew= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763840569; c=relaxed/simple; bh=0IOUqs8lMMDtwM/i/7ezFpGR18sjAzjwbBN/o8ZuLWc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XvzUIk5fbBdoEgmwJZLfMfKhpb1FAdNe77ORXTyt4y2DZ31Uo0Zojml+TJwVSwbD0gyeyoCCUGcc5nqJYwSfPmaRVbN63Mk3Zs0R+pXlbSapj7taCXTrbXmscFCSHTIl/8xHKk6KY3m2oeQC2gXYdgxYqY41aOSpEUJmmFCOZ1I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=l2rI8DQR; 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="l2rI8DQR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 803D6C19425; Sat, 22 Nov 2025 19:42:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763840567; bh=0IOUqs8lMMDtwM/i/7ezFpGR18sjAzjwbBN/o8ZuLWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l2rI8DQRNoSuhrE5yb3zxnsKN8J96NlO9OU5eD5pOnrsg69KUwya1Aw8ahm4dx31h TlMB3Wu0IHh7FCZQ6fEzDCuRImnuqrYSSTc4FK3HNYJuYIsZFIyE966NPs6ErfV02K SmKV3eUH+KlbPae5+T9wZelfEtEamJigg+ZZoJ2wikH63ynk9TnMzGgsyQtdyAEqkd FbDNZk8RcP+5hwJPovVC8Ud1XTQeNzFCYWW/A9IN0V7up3ISIStGO+SP6xELbdPy2m OrXXDJ+LTiLwf+XdpSM1rwCXKGrmQKAQvtr70IwdV0RUpZjxjbQmXN/00XVAwmdxFt tsxHe/v8AG+AA== From: Eric Biggers To: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , "Jason A . Donenfeld" , Herbert Xu , linux-hardening@vger.kernel.org, Kees Cook , Eric Biggers Subject: [PATCH 4/6] lib/crypto: poly1305: Add at_least decoration to fixed-size array params Date: Sat, 22 Nov 2025 11:42:04 -0800 Message-ID: <20251122194206.31822-5-ebiggers@kernel.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251122194206.31822-1-ebiggers@kernel.org> References: <20251122194206.31822-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the at_least (i.e. 'static') decoration to the fixed-size array parameters of the poly1305 library functions. This causes clang to warn when a too-small array of known size is passed. Signed-off-by: Eric Biggers --- include/crypto/poly1305.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/crypto/poly1305.h b/include/crypto/poly1305.h index d4daeec8da19..190beb427c6d 100644 --- a/include/crypto/poly1305.h +++ b/include/crypto/poly1305.h @@ -57,11 +57,11 @@ struct poly1305_desc_ctx { u32 s[4]; struct poly1305_block_state state; }; =20 void poly1305_init(struct poly1305_desc_ctx *desc, - const u8 key[POLY1305_KEY_SIZE]); + const u8 key[at_least POLY1305_KEY_SIZE]); void poly1305_update(struct poly1305_desc_ctx *desc, const u8 *src, unsigned int nbytes); void poly1305_final(struct poly1305_desc_ctx *desc, u8 *digest); =20 #endif --=20 2.51.2