From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (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 A0CB0359FAC; Thu, 8 Jan 2026 07:40:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767858052; cv=none; b=vBy7W6dPq7mmueHZyvzoOHkMp/LNP1+Ow32g2PBDUsNQXFt+ndbRAEAcGSmvqd4wiefO8XFuXGOME1tyrqDKwhCIEzjcwuUCIWfal7a59FwqXr9LJ0Nn7+Ee5xDI0uj3q2avqxiFLZfhEPgjlgTKiXowhxCTPsGUBEMKtO5SyyM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767858052; c=relaxed/simple; bh=YYYAsBcchiEX6jTu4koZi5Dx1eLSczpR7tymQfKyC4I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JBZi5mN8dpPbocpnQ3KjUCNGu53Yqt+6qCok+suyG2zFpK8FjficwRS30jYlLH4FbMlbZZAkA5FpepkvygYQNX9aqrYex/JXGzt/4XUAF11Th629+SmwnCpLw+/uns1obJGYXexBZfLJl67kNq/ZuOfNX2qx78IkTfzedId2qrQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=BRhrk4U3; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="BRhrk4U3" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=JcA9xF/qUKyoDRsfXihT0Yhg31Gwyc+UC3U5oSPw9as=; b=BRhrk4U37T4C/59dzw/BVHex+o w9rNf0hgGN3RR2j6SvisFi6w3CQXU9UWdTOX2j7LiTbfql1x7/S8ysn99zohIyN5tMEQHCNYEytTM IWXE3TPrzxIIcBU/60YYCdOyzxfpx99ILJL8l89BQcytSp1qyshbYj19e94BsSS3t3OLeoS3FGCcn ktDjjoJe8yWH3w+3rJasA0HNMriAVZ/usO5BWTcgpZSihFRffZXdsmQCvdxzExm/N38XkkPgrJONX 68skXOMFSqrPMUOV+azBfLFDJfLPugNjxm/7KUZabcF6NLklV8VmyPjySxKiWADnZejAt3MT03Prd fRyGKuOg==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.99 #2 (Red Hat Linux)) id 1vdkei-00000001pHZ-0AhU; Thu, 08 Jan 2026 07:42:04 +0000 From: Al Viro To: linux-fsdevel@vger.kernel.org Cc: torvalds@linux-foundation.org, brauner@kernel.org, jack@suse.cz, mjguzik@gmail.com, paul@paul-moore.com, axboe@kernel.dk, audit@vger.kernel.org, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 8/8] do_execveat_common(): don't consume filename reference Date: Thu, 8 Jan 2026 07:42:01 +0000 Message-ID: <20260108074201.435280-9-viro@zeniv.linux.org.uk> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260108074201.435280-1-viro@zeniv.linux.org.uk> References: <20260108074201.435280-1-viro@zeniv.linux.org.uk> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Al Viro ... and convert its callers to CLASS(filename...) Signed-off-by: Al Viro --- fs/exec.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/fs/exec.c b/fs/exec.c index 4e192d7b7e71..3405c754da80 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1775,12 +1775,11 @@ static int bprm_execve(struct linux_binprm *bprm) return retval; } -static int do_execveat_common(int fd, struct filename *__filename, +static int do_execveat_common(int fd, struct filename *filename, struct user_arg_ptr argv, struct user_arg_ptr envp, int flags) { - CLASS(filename_consume, filename)(__filename); int retval; /* @@ -1927,7 +1926,8 @@ SYSCALL_DEFINE3(execve, const char __user *const __user *, argv, const char __user *const __user *, envp) { - return do_execveat_common(AT_FDCWD, getname(filename), + CLASS(filename, name)(filename); + return do_execveat_common(AT_FDCWD, name, native_arg(argv), native_arg(envp), 0); } @@ -1937,7 +1937,8 @@ SYSCALL_DEFINE5(execveat, const char __user *const __user *, envp, int, flags) { - return do_execveat_common(fd, getname_uflags(filename, flags), + CLASS(filename_uflags, name)(filename, flags); + return do_execveat_common(fd, name, native_arg(argv), native_arg(envp), flags); } @@ -1952,7 +1953,8 @@ COMPAT_SYSCALL_DEFINE3(execve, const char __user *, filename, const compat_uptr_t __user *, argv, const compat_uptr_t __user *, envp) { - return do_execveat_common(AT_FDCWD, getname(filename), + CLASS(filename, name)(filename); + return do_execveat_common(AT_FDCWD, name, compat_arg(argv), compat_arg(envp), 0); } @@ -1962,7 +1964,8 @@ COMPAT_SYSCALL_DEFINE5(execveat, int, fd, const compat_uptr_t __user *, envp, int, flags) { - return do_execveat_common(fd, getname_uflags(filename, flags), + CLASS(filename_uflags, name)(filename, flags); + return do_execveat_common(fd, name, compat_arg(argv), compat_arg(envp), flags); } #endif -- 2.47.3