From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794064058; b=yr0mcg0wCbw75vOxZ6yij228oQxhrBga7UPn4l/p2fJNyVF31fbO29MymyozJ2CxBXhX mgpw8Fl6jCA5TMUn/hulwu8swtKWCXHAuFJMQN/062FLRXCm1VUI8z4nOtEkfYZydvAh5 O0uoR6YgAjxuxjIaaZaI4yLvcB7Iy7kJu6nMOxtAL3EE24DJSqpsS2ODy+pkKOJ+c3hUK LJ26ajm5m1xWkAUvAnnDrPiY9u3qYGyr5wrttpPGF9GCNP/vLqlPxR5Lu0N4dCDTnzLyO /e0+oqeE7llcv7NULY3+Z1IkmbawR2n95gCGzIWkEg6hvjtzc3Tis0VXYqB2HSFbAnQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794064058; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=y2wz6MVmY7EwDAkcOOLGW1Ntb0k+tU0c2jIvnfQ20rM=; b=SsxzNldLHAvG6+4lVNzQj+ma+WN7k8/wpydyQzZxrq5Vw4LlEs0ewKuEcuwdBN9A9LPi o9XoVqxEjvumoEayb7/bXZ89wEfJEA+185QuYZndY0TE1BkgZUsQRMDRohoo6hOYAwqzY I9Y04d/CtaoIfCCd3tY02nKrG/HRHI6BfTGIsY9xVKr978T0wM7SdnMqSn/l7iPFn90E3 Fm9bgHzC97UnUqmGOMfaHPughj+6vqPNJtNPw3p6w8/cqMaHn17B4eOvgqoruGWpGUa+U xMvkS0BRlIk0jfxR2VDQMP9w1IHQ55lUGaB+geUYB0cogVQu9oLiZyu/6Vac6oreMlA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=m5UOYzJk; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD8EA606A9D4; Sat, 7 Nov 2026 15:07:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=m5UOYzJk Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B6D21F008A1; Sat, 7 Nov 2026 15:07:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794064057; bh=y2wz6MVmY7EwDAkcOOLGW1Ntb0k+tU0c2jIvnfQ20rM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=m5UOYzJkkqr0ZlHpTKwSRuzLoPcnAG1Xsv5OYcjLHB+FH73l8tMsrqrWj7xKFGRbi Pies8SUEVEEUXoQYyEI0ha7mmopnpa5tpOdiNZIMtWRKfk4fbl00/vpWHva92dg7lt KO7A4lnybS5sza+4K+XPpnP+liBkWtH+rpeLUWiE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sean Young , Hans Verkuil , Sasha Levin Subject: [PATCH 7.3 0228/1257] media: ir_toy: Validate the maximum tx carrier Date: Sat, 7 Nov 2026 08:42:04 -0500 Message-ID: <20261107134945.823748524@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134939.434104957@linuxfoundation.org> References: <20261107134939.434104957@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sean Young [ Upstream commit 27303392aa87b61692faadec8b00e0ca66bf98dd ] Reject any carrier the hardware cannot generate. This also fixes a divide by zero if a carrier of U32_MAX/16 is set. Fixes: 8bff1386d62d ("media: ir_toy: allow tx carrier to be set") Cc: stable@vger.kernel.org Signed-off-by: Sean Young Acked-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/rc/ir_toy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c index ee645882dd5a6..0819cd5cfa98b 100644 --- a/drivers/media/rc/ir_toy.c +++ b/drivers/media/rc/ir_toy.c @@ -373,7 +373,7 @@ static int irtoy_tx_carrier(struct rc_dev *rc, uint32_t carrier) u8 buf[3]; int err; - if (carrier < 11800) + if (carrier < 11800 || carrier > 3000000) return -EINVAL; buf[0] = 0x06; -- 2.53.0