From patchwork Mon May 30 17:49:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 54533 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 C5B44385E017 for ; Mon, 30 May 2022 17:49:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C5B44385E017 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1653932997; bh=P2bm4ZRk0+Rzoi2yo/PapXM9YvbyihP5xbE5ngtjfjI=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=YpmwQQbjUhRuLVuhzohr6wk+2dcV/foppkjcQW9Qh16dWZ2K1QZLtE+fYGnaEnsgn JgMJUheJM3QcDB4oLUt34zqZ/SV4gt6MgRxhE2YWuHjYCiZ/RvkkejK0nDwdG7t+kK ER7X+sSXCSY9klulIL9pEcN2qbYvFnoFeB6Q6E6M= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-ot1-x335.google.com (mail-ot1-x335.google.com [IPv6:2607:f8b0:4864:20::335]) by sourceware.org (Postfix) with ESMTPS id 57AAC384F024 for ; Mon, 30 May 2022 17:49:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 57AAC384F024 Received: by mail-ot1-x335.google.com with SMTP id t22-20020a0568301e3600b0060b333f7a1eso8141924otr.0 for ; Mon, 30 May 2022 10:49:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=P2bm4ZRk0+Rzoi2yo/PapXM9YvbyihP5xbE5ngtjfjI=; b=sGQCPm4zbTEAhNXzHWghh+iFpfDkOiUvZ2xfSINLHFUZ7o06UzFmQ/QtKm5rGtuRNb zdZVJYBl6WOsKrmhcPi5E1I/ydvLjxAKsL0WhUPMDAZkzTEuZWMqg0YQemTtVQqxweKz J/lVmJi/ABrgW0npxoLoBuzrUSQYml/GNJcHymQ3uzAC6P9NBZ36fUJWMcTU3LzjoBVZ /wb5K9cDoJAxbiN1oL45SbLsE0Wbd3Aad4c4BDWrRlTl3pSWShTBX/I1R8r3WPh+1lMe 7tTSNTubYfK1SjlT1I9RYIk0hQSAZRiWPoLyCq953tLxclcCSVWfGbaEG3kEeidfVhcZ hRbw== X-Gm-Message-State: AOAM533dV07dVkgDpki5mNj+AoEEW+QLIY/sxpjg0+XX3YZR1HeQmSci u78vbDEmB2GDPT4UnCsZEHfrA082Bd4kyg== X-Google-Smtp-Source: ABdhPJyyRjxFu/HCakKJOnz7feGllKVqStAyZp6Q51MFy1LTajgW+maGeFDmku4PykXAoUrYIXUYoA== X-Received: by 2002:a9d:798f:0:b0:60b:18f7:9cdb with SMTP id h15-20020a9d798f000000b0060b18f79cdbmr13863447otm.103.1653932962475; Mon, 30 May 2022 10:49:22 -0700 (PDT) Received: from birita.. ([2804:431:c7cb:9f85:32e5:37a2:c438:5101]) by smtp.gmail.com with ESMTPSA id a19-20020a544e13000000b0032af3cffac7sm4903227oiy.2.2022.05.30.10.49.21 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 May 2022 10:49:21 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH v5 0/2] Linux: Fix posix_spawn when user with time namespaces Date: Mon, 30 May 2022 14:49:16 -0300 Message-Id: <20220530174918.3056804-1-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Netto Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" The patchset also adds some support to tests the fallback code to use only use CLONE_VFORK. It uses unshare directly because it simpler than add container support. v5: Use a MAP_SHARED page to communicate error on prepare phase from helper process. Adhemerval Zanella (2): support: Add support_enter_time_namespace linux: Add fallback for clone failure on posix_spawn (BZ #29115) posix/Makefile | 16 ++- posix/tst-spawn-chdir-timens.c | 2 + posix/tst-spawn-chdir.c | 7 ++ posix/tst-spawn-timens.c | 2 + posix/tst-spawn.c | 6 ++ posix/tst-spawn2-timens.c | 2 + posix/tst-spawn2.c | 8 ++ posix/tst-spawn4-timens.c | 2 + posix/tst-spawn4.c | 10 +- posix/tst-spawn5-timens.c | 2 + posix/tst-spawn5.c | 10 +- posix/tst-spawn6-timens.c | 2 + posix/tst-spawn6.c | 12 ++- support/Makefile | 1 + support/namespace.h | 5 + support/support_enter_time_namespace.c | 34 ++++++ sysdeps/unix/sysv/linux/spawni.c | 141 +++++++++++++++++-------- 17 files changed, 211 insertions(+), 51 deletions(-) create mode 100644 posix/tst-spawn-chdir-timens.c create mode 100644 posix/tst-spawn-timens.c create mode 100644 posix/tst-spawn2-timens.c create mode 100644 posix/tst-spawn4-timens.c create mode 100644 posix/tst-spawn5-timens.c create mode 100644 posix/tst-spawn6-timens.c create mode 100644 support/support_enter_time_namespace.c