From debbugs-submit-bounces@debbugs.gnu.org Sun Dec 19 17:14:54 2021 Received: (at submit) by debbugs.gnu.org; 19 Dec 2021 22:14:54 +0000 Received: from localhost ([127.0.0.1]:48409 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mz4SE-00009R-6h for submit@debbugs.gnu.org; Sun, 19 Dec 2021 17:14:54 -0500 Received: from lists.gnu.org ([209.51.188.17]:52002) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mz4SB-00009H-UF for submit@debbugs.gnu.org; Sun, 19 Dec 2021 17:14:52 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50296) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mz4SB-00029O-Nv for bug-guix@gnu.org; Sun, 19 Dec 2021 17:14:51 -0500 Received: from forward108j.mail.yandex.net ([5.45.198.253]:42952) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mz4S8-0006c8-DL for bug-guix@gnu.org; Sun, 19 Dec 2021 17:14:50 -0500 Received: from myt6-43c1316fdabf.qloud-c.yandex.net (myt6-43c1316fdabf.qloud-c.yandex.net [IPv6:2a02:6b8:c12:370d:0:640:43c1:316f]) by forward108j.mail.yandex.net (Yandex) with ESMTP id 4761B3F1FE8C for ; Mon, 20 Dec 2021 01:14:39 +0300 (MSK) Received: from 2a02:6b8:c12:4020:0:640:4215:6e6e (2a02:6b8:c12:4020:0:640:4215:6e6e [2a02:6b8:c12:4020:0:640:4215:6e6e]) by myt6-43c1316fdabf.qloud-c.yandex.net (mxback/Yandex) with HTTP id bEoOvq1eF0U1-EceqIF9T; Mon, 20 Dec 2021 01:14:38 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1639952078; bh=qAvDio20WLDckwfofUHgcT3TMg1pIJVZZomNmHPmIGc=; h=Message-Id:Date:Subject:To:From; b=rJ/D1UByJSlSsyU4QnEjzPgPwFovlIAI9kW5R5QYjS1Oe152D0su0jCRaOSDYDVtk ri7niKBRI0GbptVINFVvkhc0ULCK/F5qdmWdCTRMLI/YDAwWAi4VW/BtYX4OK7BZQ9 reOg0sYbteXH5ssQ+/PN9B301Bba0bTtAy4OpdQ0= Authentication-Results: myt6-43c1316fdabf.qloud-c.yandex.net; dkim=pass header.i=@yandex.ru Received: by myt6-42156e6ef20a.qloud-c.yandex.net with HTTP; Mon, 20 Dec 2021 01:14:38 +0300 From: Ivan Kozlov To: bug-guix@gnu.org Subject: glibc patch causes crash on failure to find path to executable MIME-Version: 1.0 X-Mailer: Yamail [ http://yandex.ru ] 5.0 Date: Mon, 20 Dec 2021 01:14:38 +0300 Message-Id: <84771639950622@mail.yandex.ru> Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=utf-8 Received-SPF: pass client-ip=5.45.198.253; envelope-from=kanichos@yandex.ru; helo=forward108j.mail.yandex.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) glibc-dl-cache.patch causes segmentation fault when _dl_get_origin fails (which should be harmless unless there is $ORIGIN in RUNPATH). I found this when running a dynamically linked executable as ‘init’, before /proc was mounted. There needs to be an origin != (char *)-1 check.