From patchwork Sat Dec 26 15:40:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 41558 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id CCB87385040D; Sat, 26 Dec 2020 15:40:57 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from hera.aquilenet.fr (hera.aquilenet.fr [185.233.100.1]) by sourceware.org (Postfix) with ESMTPS id 465C63861039 for ; Sat, 26 Dec 2020 15:40:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 465C63861039 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ens-lyon.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=samuel.thibault@ens-lyon.org Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id F19FB3FD; Sat, 26 Dec 2020 16:40:53 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at aquilenet.fr Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8a4K376ZEfXu; Sat, 26 Dec 2020 16:40:53 +0100 (CET) Received: from function.youpi.perso.aquilenet.fr (2a01cb008800c5009eb6d0fffe88c3c7.ipv6.abo.wanadoo.fr [IPv6:2a01:cb00:8800:c500:9eb6:d0ff:fe88:c3c7]) by hera.aquilenet.fr (Postfix) with ESMTPSA id 33545310; Sat, 26 Dec 2020 16:40:53 +0100 (CET) Received: from samy by function.youpi.perso.aquilenet.fr with local (Exim 4.94) (envelope-from ) id 1ktBgZ-0007pJ-VG; Sat, 26 Dec 2020 16:40:51 +0100 From: Samuel Thibault To: libc-alpha@sourceware.org Subject: [hurd, commited] hurd: Fix spawni SPAWN_XFLAGS_TRY_SHELL with empty argv Date: Sat, 26 Dec 2020 16:40:51 +0100 Message-Id: <20201226154051.30042-1-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: commit-hurd@gnu.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" When argv is empty, we need to add the original script to be run on the shell command line. --- sysdeps/mach/hurd/spawni.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sysdeps/mach/hurd/spawni.c b/sysdeps/mach/hurd/spawni.c index 2aeed683fe..b511265044 100644 --- a/sysdeps/mach/hurd/spawni.c +++ b/sysdeps/mach/hurd/spawni.c @@ -842,7 +842,11 @@ __spawni (pid_t *pid, const char *file, { /* The file is accessible but it is not an executable file. Invoke the shell to interpret it as a script. */ - err = __argz_insert (&args, &argslen, args, _PATH_BSHELL); + err = 0; + if (!argslen) + err = __argz_insert (&args, &argslen, args, relpath); + if (!err) + err = __argz_insert (&args, &argslen, args, _PATH_BSHELL); if (!err) err = child_lookup (_PATH_BSHELL, O_EXEC, 0, &execfile); if (!err)