From mboxrd@z Thu Jan 1 00:00:00 1970 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 3E2F4745D6; Tue, 23 Jan 2024 02:04:10 +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=1705975450; cv=none; b=hUgTTsfyB0UT3InFhNCj4CYsTbHauRtRWmoEAJ73XffeZrFV6fmrvLDsZtpglECR/EqOJY9gSje7AfJ3G1O+qsYl+WP94cKI/bnuGg74N45gM/QmilCfds2Ht8M1uvvyuNi9ik4TlXDzYVv2WN9/EEX/TO35gbLfiJLo22hoXaw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705975450; c=relaxed/simple; bh=GjfZkZZaEkXFiPVyGwah3+VPn3ETD24KD4tWZ3QONfQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=d9oiHa2wlKKS5pDMZ0isPzHFGQftwCwjy7npL3s3qSnav9nfgYPBgDIJUMwogkFpjY9SP1RlKc3VjEW3tB7+3RcUBRPpKWQeL03tfn130sE1J27ezGChnLCrSAy9IrAn+C63ySBF6kZh/WNkXcfHY4W0dXYmXQpdrWKu/QwOh4g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=R9cDv/Z2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="R9cDv/Z2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03E62C433F1; Tue, 23 Jan 2024 02:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705975450; bh=GjfZkZZaEkXFiPVyGwah3+VPn3ETD24KD4tWZ3QONfQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R9cDv/Z2FQZQ4nzP0vBE2Ooi12I75xm3Oh2zNpRgclnsp7qDrZoS5va4SfzWtRsgl wIM3mr0BwCzBFkSh6WXlh+BfNh6tThG/OTVSVb117PGIW/RyHvsnZHIqam64SFiL0d 23/Graisu2s3pSQWotBsaYK5gu7Tak7oydG3fPac= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Subject: [PATCH 6.6 406/583] pwm: Fix out-of-bounds access in of_pwm_single_xlate() Date: Mon, 22 Jan 2024 15:57:37 -0800 Message-ID: <20240122235824.400884078@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235812.238724226@linuxfoundation.org> References: <20240122235812.238724226@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Uwe Kleine-König commit a297d07b9a1e4fb8cda25a4a2363a507d294b7c9 upstream. With args->args_count == 2 args->args[2] is not defined. Actually the flags are contained in args->args[1]. Fixes: 3ab7b6ac5d82 ("pwm: Introduce single-PWM of_xlate function") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/243908750d306e018a3d4bf2eb745d53ab50f663.1704835845.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König Signed-off-by: Greg Kroah-Hartman --- drivers/pwm/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -176,7 +176,7 @@ of_pwm_single_xlate(struct pwm_chip *chi pwm->args.period = args->args[0]; pwm->args.polarity = PWM_POLARITY_NORMAL; - if (args->args_count == 2 && args->args[2] & PWM_POLARITY_INVERTED) + if (args->args_count == 2 && args->args[1] & PWM_POLARITY_INVERTED) pwm->args.polarity = PWM_POLARITY_INVERSED; return pwm;