From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from stravinsky.debian.org (stravinsky.debian.org [82.195.75.108]) (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 461BA1BBBE5; Sun, 23 Nov 2025 20:34:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=82.195.75.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763930044; cv=none; b=EzCy3Y9KBVE1fc1EMotggrVHzGn8smAoFyEGtghvL/nJ7GcpcNtfRtGhPjrQqj0uxYrEEktihbNLmkvu91D9t4wng3uM3ZkebKd8iZZXW25R6bQnjMUIyW5f2dlTuJzs2Lkp3Q39qlXEUbIP+n9WHahrWeEW6/+bOaT+9hjCYzc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763930044; c=relaxed/simple; bh=DsPcWInfZ6GVQ99m1bNCsnMq1TkaF+RzApr7FO+cajs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eFnirH26rDwJjJBjifmFCWSc0QcbAmn4xvxgMrXY/ONYGscIPyDkP5nroX0mZPQUvk4UqL1CKV5VKsTTFdoQ9zb9v6p/EVv6Zq7zGvMAOCtsOMMo2OGY3lAj67QT51DeZL8oF67QbOMHvdY5hBzA8NP87MqrPYj6fmf8RZDICqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org; spf=none smtp.mailfrom=debian.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b=EUxLKgZv; arc=none smtp.client-ip=82.195.75.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=debian.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b="EUxLKgZv" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=CSgH1ZaYBrxKmSAB6ChlLxpJ6NUOOuEnqqcyJnSbdbw=; b=EUxLKgZvejQzA83OMk/dgKzdez DtjkRGcx3Abo0/ozjfZ8XDtFsuqAclp5UUdY0DkSZ9jO0CXZZVgfDiVTfdLoZZMjREIJZr2qZWKaq 2c6Ll4p5qKdlEPyekY4XaJ7aDjx1wX3q7O6i5UMewlYPLPk/LelEW4njYFka7R5MX+GqfUWJgi79H 4J5bhbELxKUXt2CGBSv262saQhAXhF2PRV0uPwuVu8ciyq09Py9qM1ZZIcg1JN9L5SIolg76UWeBc F4NCsDmZWODHMum0v8i+R/qBTIA8WVe/vKH+yBrgx+0KgnaoRMM1bA35UBRajWdcY/nalc/zSDXg5 SCrh9MNQ==; Received: from authenticated user by stravinsky.debian.org with utf8esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2) (envelope-from ) id 1vNGmL-0022dN-Vb; Sun, 23 Nov 2025 20:33:50 +0000 Date: Sun, 23 Nov 2025 21:33:47 +0100 From: Jochen Sprickerhof To: Nathan Chancellor Cc: Salvatore Bonaccorso , Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , 1121211@bugs.debian.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Kees Cook Subject: Re: Bug#1121211: UBSAN: array-index-out-of-bounds in /build/reproducible-path/linux-6.17.8/drivers/clk/samsung/clk-exynos-clkout.c:178:18 Message-ID: References: <176383554642.17713.6408785381758213911.reportbug@vis> <20251122203856.GA1099833@ax162> Precedence: bulk X-Mailing-List: linux-clk@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="//E4p0t+s0jrCbp/" Content-Disposition: inline In-Reply-To: <20251122203856.GA1099833@ax162> Organization: The Debian Project X-Debian-User: jspricke --//E4p0t+s0jrCbp/ Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline Hi Nathan, * Nathan Chancellor [2025-11-22 13:38]: >I bet it is the same problem as the ones I fixed in > > 6dc445c19050 ("clk: bcm: rpi: Assign ->num before accessing ->hws") > 9368cdf90f52 ("clk: bcm: dvp: Assign ->num before accessing ->hws") > >So something like this? > >Cheers, >Nathan > >diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c >index 5f1a4f5e2e59..5b21025338bd 100644 >--- a/drivers/clk/samsung/clk-exynos-clkout.c >+++ b/drivers/clk/samsung/clk-exynos-clkout.c >@@ -175,6 +175,7 @@ static int exynos_clkout_probe(struct platform_device *pdev) > clkout->mux.shift = EXYNOS_CLKOUT_MUX_SHIFT; > clkout->mux.lock = &clkout->slock; > >+ clkout->data.num = EXYNOS_CLKOUT_NR_CLKS; > clkout->data.hws[0] = clk_hw_register_composite(NULL, "clkout", > parent_names, parent_count, &clkout->mux.hw, > &clk_mux_ops, NULL, NULL, &clkout->gate.hw, >@@ -185,7 +186,6 @@ static int exynos_clkout_probe(struct platform_device *pdev) > goto err_unmap; > } > >- clkout->data.num = EXYNOS_CLKOUT_NR_CLKS; > ret = of_clk_add_hw_provider(clkout->np, of_clk_hw_onecell_get, &clkout->data); > if (ret) > goto err_clk_unreg; > This fixes it for me, feel free to add a Tested-by: Jochen Sprickerhof Thanks! 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