{"id":711078,"url":"http://patchwork.ozlabs.org/api/patches/711078/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/alpine.DEB.2.20.99.1701040957380.31470@trent.utfs.org/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"","list_archive_url":"https://lore.kernel.org/linuxppc-dev/alpine.DEB.2.20.99.1701040957380.31470@trent.utfs.org/","date":"2017-01-04T18:33:05","name":"bootx_init.c:88: undefined reference to `__stack_chk_fail_local'","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":false,"hash":"e5f6d29c9218d954c952cf901d2709277e431e94","submitter":{"id":1036,"url":"http://patchwork.ozlabs.org/api/people/1036/?format=json","name":"Christian Kujau","email":"lists@nerdbynature.de"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/alpine.DEB.2.20.99.1701040957380.31470@trent.utfs.org/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/711078/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/711078/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3ttzxW09LVz9t0J\n\tfor ;\n\tThu, 5 Jan 2017 05:34:39 +1100 (AEDT)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3ttzxV6WXXzDqYt\n\tfor ;\n\tThu, 5 Jan 2017 05:34:38 +1100 (AEDT)","from trent.utfs.org (trent.utfs.org [94.185.90.103])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3ttzvp4BFkzDqQ9\n\tfor ;\n\tThu, 5 Jan 2017 05:33:10 +1100 (AEDT)","from localhost (localhost [IPv6:::1])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby trent.utfs.org (Postfix) with ESMTPS id DB5CE647B5;\n\tWed, 4 Jan 2017 19:33:05 +0100 (CET)"],"Date":"Wed, 4 Jan 2017 10:33:05 -0800 (PST)","From":"Christian Kujau ","To":"Christophe LEROY ","Subject":"Re: bootx_init.c:88: undefined reference to `__stack_chk_fail_local'","In-Reply-To":"<81ef821b-8af2-0ee5-ab35-58639548dab7@c-s.fr>","Message-ID":"","References":"\n\t<81ef821b-8af2-0ee5-ab35-58639548dab7@c-s.fr>","User-Agent":"Alpine 2.20.99 (DEB 191 2016-12-09)","MIME-Version":"1.0","Content-Type":"text/plain; charset=US-ASCII","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"On Wed, 4 Jan 2017, Christophe LEROY wrote:\n> Using GCC 5.4.0, I don't have that issue. bootx_init.o only contains reference\n> to __stack_chk_fail\n\nFWIW, building with a GCC 5.2 crosscompiler succeeds (with \nCONFIG_CC_STACKPROTECTOR_STRONG=y), but I don't know if it will boot \nthough, see my other mail in this thread:\n\n https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-January/152623.html\n\nSo, would the following be sufficient? It compiles, but I haven't had a \nchance to boot yet.\n\n\n\n\nThanks,\nChristian.","diff":"diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile\nindex 1eb7b45..c7dcab9 100644\n--- a/arch/powerpc/platforms/powermac/Makefile\n+++ b/arch/powerpc/platforms/powermac/Makefile\n@@ -1,4 +1,4 @@\n-CFLAGS_bootx_init.o \t\t+= -fPIC\n+CFLAGS_bootx_init.o \t\t+= -fPIC -fno-stack-protector\n \n ifdef CONFIG_FUNCTION_TRACER\n # Do not trace early boot code\n","prefixes":[]}