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=1794062941; b=FimA1+mQotIeITeMBMOa5/GQ125+//JLcPbW2qxEk/VodKIWfEWrDpN3HxFVcFnxjxjR 8qm4G+5AMRIxlPq/QrwhxRj01l6S7nFTcZ8qLzk/9ai0JxN+wW6zKa2fRj9XO09UmMXbA aYaUG5I2ROMfq0qgpCnNxGau2yNu5P1NtoCm9wNZ61VaPF/bVqN3h7tX9bmS6A4IeVoYu V2dZU9X3RiAuw7Ij9R2OrfsRwgOxA97CV7GGFc+H1GuUKReqhYzAUpaOJhxZfxzWlZ1CV 2wWp1SzKORvl3dGWylL0dgKPF9S0b6Z4YV1x/bduost6IkQJsmfoQdjQOhtRU9SlgJQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794062941; 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=oBuYbHxpLvK//A4k5slK+jfYmeKnwBUSfrwCDwZkP+k=; b=xBhSemIgzF7n1Y+/wAAehmAqAjiLz867aPpdcT81RAoTCIH70+Wj3GC7OTk8B3+QpZF1 jmiY0o+bt15B2Bj9fIK3UtvCxsJzYTBsAfZTNy/gff2FK7zOg8O2lwtvSKon/HJgLKi8y maKLLQVAHjUOZwhgerQtuvUsA8LgMM6slciv2wgOXmiFH8HUMwPVJxk4gN2MWr5h4wjiC 9ftRg2aC0Y+LJyBYvYw8MT+alELwbzgJ/df4utcckjSVzS39kClYXHcUzukuXfe12TbHf 7rL50a/8NMI5xY/sUqs/Npqfp3ioqyuocwJHlkYP8zYtp0JBot+GS81W5fmVzLByRSQ== 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=lJKKoymC; 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 623EE606A326; Sat, 7 Nov 2026 14:49:01 +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=lJKKoymC Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0EF741F0089F; Sat, 7 Nov 2026 14:49:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794062941; bh=oBuYbHxpLvK//A4k5slK+jfYmeKnwBUSfrwCDwZkP+k=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lJKKoymCcoRIdNnJDFmLfCVRr/L4GKAYGN3xGHvwy815kxiOF5MLBzDm/jhcJOof4 Ywy+C41vwhAoU2Zx7eeVRRgdc0rYFcjXgf44233JxL/I4gpIyW14MojsH7PtHO+2KA T+5Q2+DxgHpWk/EccZLaEKCYvozvv95b1mXSWvbI= 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 6.18 182/869] media: ir_toy: Validate the maximum tx carrier Date: Sat, 7 Nov 2026 08:47:44 -0500 Message-ID: <20261107134858.307651753@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134852.069646174@linuxfoundation.org> References: <20261107134852.069646174@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 6.18-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 e79de56997a42..ba6c042127078 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