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 B75DD17D8BB; Tue, 30 Jul 2024 16:59:39 +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=1722358779; cv=none; b=YT0r7vjgC4BWUCxIJnjh/YqoKe9iUgDiuqnaZHyS8J7QEI+JlFCDMt/eZDGzNgENVKKbRWt5npubVBlhiuoskantLZhfDF6iVP6qGHaNiV1hMtzbzvmKsyVO7SGGNjKRXgGjtVDGvDp+VIsYdxJKQI9THpn9Tc1PSqic++1jeC8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722358779; c=relaxed/simple; bh=iuL6HEedJ9TRsfjzDhDCF59ItMF5NelpbvEZvcYbGKs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MftW1GzHNN/qg5u4gNbM+MlfLxD1d7n97Ii8Cpc7tUTigo5O/2mH9DK7JPTijm6p8LtGRl3h9pUSi4p2fl9xXKNAO1p4cyef6kw/IYBf8tkqsU1ayJNbsQnC90Bz7zbvEcKedlcQh5FIcr+6eYGDO4TlpEtrIh5licnwQtUDx2k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0Od5qPCk; 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="0Od5qPCk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0AF03C32782; Tue, 30 Jul 2024 16:59:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1722358779; bh=iuL6HEedJ9TRsfjzDhDCF59ItMF5NelpbvEZvcYbGKs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0Od5qPCkTdtFpMERIGAfrHn/QkfpMRM/seDafT+VomA0viE69MuXwYnzZC4tYHNKz zBEcA3mxTxSm2jkfxbZs9KdZ54qoFFgI3PpIUPwNQ/UqwgIHpXzKRlPSipNSJtn9Y9 elxRxMb65rvz8AWaen92KO2Jxjnl9k6uckQYVeyY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Al Viro , Sasha Levin Subject: [PATCH 6.1 421/440] lirc: rc_dev_get_from_fd(): fix file leak Date: Tue, 30 Jul 2024 17:50:54 +0200 Message-ID: <20240730151632.228259940@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240730151615.753688326@linuxfoundation.org> References: <20240730151615.753688326@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-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Al Viro [ Upstream commit bba1f6758a9ec90c1adac5dcf78f8a15f1bad65b ] missing fdput() on a failure exit Fixes: 6a9d552483d50 "media: rc: bpf attach/detach requires write permission" # v6.9 Signed-off-by: Al Viro Signed-off-by: Sasha Levin --- drivers/media/rc/lirc_dev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index adb8c794a2d7b..d9a9017b96eaa 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -828,8 +828,10 @@ struct rc_dev *rc_dev_get_from_fd(int fd, bool write) return ERR_PTR(-EINVAL); } - if (write && !(f.file->f_mode & FMODE_WRITE)) + if (write && !(f.file->f_mode & FMODE_WRITE)) { + fdput(f); return ERR_PTR(-EPERM); + } fh = f.file->private_data; dev = fh->rc; -- 2.43.0