From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cross.elm.relay.mailchannels.net (cross.elm.relay.mailchannels.net [23.83.212.46]) by sourceware.org (Postfix) with ESMTPS id DA1B23858D3C for ; Mon, 24 Jan 2022 06:50:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DA1B23858D3C X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 8DF3021187 for ; Mon, 24 Jan 2022 06:50:51 +0000 (UTC) Received: from pdx1-sub0-mail-a305.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 336B3211C2 for ; Mon, 24 Jan 2022 06:50:51 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a305.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.107.255.168 (trex/6.4.3); Mon, 24 Jan 2022 06:50:51 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Daffy-Spicy: 76f89ed96e491761_1643007051426_107795049 X-MC-Loop-Signature: 1643007051425:3396729840 X-MC-Ingress-Time: 1643007051425 Received: from rhbox.redhat.com (unknown [1.186.122.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a305.dreamhost.com (Postfix) with ESMTPSA id 4Jj0xQ0XH9z1b for ; Sun, 23 Jan 2022 22:50:49 -0800 (PST) From: Siddhesh Poyarekar To: libc-stable@sourceware.org Subject: [committed 2.34 0/6] Fixes for CVE-2021-3998 and CVE-2021-3999 Date: Mon, 24 Jan 2022 12:20:36 +0530 Message-Id: <20220124065042.3497514-1-siddhesh@sourceware.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3487.2 required=5.0 tests=BAYES_00, JMQ_SPF_NEUTRAL, KAM_DMARC_NONE, KAM_DMARC_STATUS, KAM_NUMSUBJECT, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_SBL, SPF_HELO_NONE, SPF_NEUTRAL, TXREP autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-stable@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-stable mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Jan 2022 06:50:54 -0000 Backported to 2.34 branch. Siddhesh Poyarekar (6): support: Add helpers to create paths longer than PATH_MAX stdlib: Sort tests in Makefile stdlib: Fix formatting of tests list in Makefile realpath: Set errno to ENAMETOOLONG for result larger than PATH_MAX [BZ #28770] tst-realpath-toolong: Fix hurd build getcwd: Set errno to ERANGE for size == 1 (CVE-2021-3999) NEWS | 10 + stdlib/Makefile | 102 ++++++-- stdlib/canonicalize.c | 12 +- stdlib/tst-realpath-toolong.c | 53 ++++ support/temp_file.c | 161 +++++++++++- support/temp_file.h | 9 + sysdeps/posix/getcwd.c | 7 + sysdeps/unix/sysv/linux/Makefile | 7 +- .../unix/sysv/linux/tst-getcwd-smallbuff.c | 241 ++++++++++++++++++ 9 files changed, 565 insertions(+), 37 deletions(-) create mode 100644 stdlib/tst-realpath-toolong.c create mode 100644 sysdeps/unix/sysv/linux/tst-getcwd-smallbuff.c -- 2.34.1