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 0D2E534D38E for ; Fri, 21 Nov 2025 18:01:36 +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=1763748096; cv=none; b=sRANw9Z0GZZshyItLul+9gPyZrqJj0Pna1d7r77bbZx2CU9voy+zDh4kSgMlanjf+3kaxjxYdgAK+1mv8WZRKp1PrR1jgsAvuqgk0yrMZzIO0WU0Ip5/3qtOf5q0CGLfNZGirfH0nS658rWkm71XDZFvLgnetTiOLDwu1oz2iG0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763748096; c=relaxed/simple; bh=gd9Gug/1Ypstiv3qB6hCAVkcabuN+Wspz1Ampzzupv0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eMkEL8iRhxnBS2XOXI0amqClPL6JxL4UCAFnPjqp/Rsg92tsVQQ00akhPNT+9fQsStKeiAknCEmP6eKhq59d4YoQK7Wx/eIe4bbcZ58AMOBqVDIdq/ZGqzaiMOYw/oiQsq/coQgHZM0AhOToEJOWME9WRnf8mLUOmRnk5NR3iCQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gwIlm3/f; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gwIlm3/f" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 51579C116C6; Fri, 21 Nov 2025 18:01:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763748095; bh=gd9Gug/1Ypstiv3qB6hCAVkcabuN+Wspz1Ampzzupv0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gwIlm3/fz0b0a+nsZsvpjk8iMJGP2GAPC88gxywDMoqc8HdCR9YapZcIU4qWdNMyE CT2Nb9dBqh9ba6utTKdyqnPE6ggiWuIKnHI3v4OreUnA0QEWuaYXv00wNrZUxvTfTK Y8PUQ03KhasqS5di3RZGn9bDhAyWqkvwbhYi533tOLvXHpmdCB5SePKS3ECO+ceUfM 5Sido+Zk729Ly+rEobDWZLaWCzB7warIpDUY7/daVSuztVS46cq2Ck5Ip7feQsYkTp Mid90kpxBuk41d7j1W1gKCMiVwTZJ0yK+ZUPDkvj9A6kwkNzztdB7ipYI7aSVnw7f4 HnyyGs80eSRrg== From: Christian Brauner Date: Fri, 21 Nov 2025 19:01:00 +0100 Subject: [PATCH RFC v3 21/47] exec: convert begin_new_exec() to FD_PREPARE() Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251121-work-fd-prepare-v3-21-2c6444d13e0e@kernel.org> References: <20251121-work-fd-prepare-v3-0-2c6444d13e0e@kernel.org> In-Reply-To: <20251121-work-fd-prepare-v3-0-2c6444d13e0e@kernel.org> To: Linus Torvalds , Jeff Layton , Amir Goldstein , Jens Axboe Cc: Alexander Viro , Jan Kara , linux-fsdevel@vger.kernel.org, Christian Brauner X-Mailer: b4 0.15-dev-a6db3 X-Developer-Signature: v=1; a=openpgp-sha256; l=754; i=brauner@kernel.org; h=from:subject:message-id; bh=gd9Gug/1Ypstiv3qB6hCAVkcabuN+Wspz1Ampzzupv0=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWQqrLjg8CD+wZv9tSk7I8+ZXohPaSrdsftcs/ei3QoXN stPUgn73VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjAR4beMDPc2W+i2PHoo+ebm 5xc3t355Z90bIuixoey1F++Ry0HbPyQwMpyUeOA4dbbrE3a3+V77TjKYMXy055om8f+yzwPHp8y xm/gB X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Signed-off-by: Christian Brauner --- fs/exec.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/exec.c b/fs/exec.c index 4298e7e08d5d..b19bdcd6fd1e 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1280,12 +1280,12 @@ int begin_new_exec(struct linux_binprm * bprm) /* Pass the opened binary to the interpreter. */ if (bprm->have_execfd) { - retval = get_unused_fd_flags(0); - if (retval < 0) + FD_PREPARE(fdf, 0, bprm->executable); + retval = ACQUIRE_ERR(fd_prepare, &fdf); + if (retval) goto out_unlock; - fd_install(retval, bprm->executable); bprm->executable = NULL; - bprm->execfd = retval; + bprm->execfd = fd_publish(fdf); } return 0; -- 2.47.3