From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS4713 221.184.0.0/13 X-Spam-Status: No, score=-4.1 required=3.0 tests=AWL,BAYES_00, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by dcvr.yhbt.net (Postfix) with ESMTP id B3EA81F8C6 for ; Thu, 19 Aug 2021 12:52:41 +0000 (UTC) Received: from neon.ruby-lang.org (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id ADBF31209F6; Thu, 19 Aug 2021 21:51:19 +0900 (JST) Received: from o1678948x4.outbound-mail.sendgrid.net (o1678948x4.outbound-mail.sendgrid.net [167.89.48.4]) by neon.ruby-lang.org (Postfix) with ESMTPS id BBBDC1209F6 for ; Thu, 19 Aug 2021 21:51:17 +0900 (JST) Received: by filterdrecv-64b996ffd8-7dsfq with SMTP id filterdrecv-64b996ffd8-7dsfq-1-611E540C-11 2021-08-19 12:52:28.363581417 +0000 UTC m=+485261.904074220 Received: from herokuapp.com (unknown) by geopod-ismtpd-5-2 (SG) with ESMTP id vYcqpQEWSi2CiJL3mVgQoQ for ; Thu, 19 Aug 2021 12:52:28.204 +0000 (UTC) Date: Thu, 19 Aug 2021 12:52:28 +0000 (UTC) From: "xtkoba (Tee KOBAYASHI)" Message-ID: References: Mime-Version: 1.0 X-Redmine-Project: ruby-master X-Redmine-Issue-Tracker: Bug X-Redmine-Issue-Id: 17052 X-Redmine-Issue-Author: vo.x X-Redmine-Sender: xtkoba X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: All Auto-Submitted: auto-generated X-Redmine-MailingListIntegration-Message-Ids: 81183 X-SG-EID: =?us-ascii?Q?R=2FOHkAdMd+Z0YWgOGSG93BTUAQVlpxO0+0eYBchMwZL=2FFWhsbqCxhU72Y9t8Cs?= =?us-ascii?Q?KrDQ77K1V73kebSMTr09SyzI8RDemN6rfJvEoYs?= =?us-ascii?Q?CkRy0CQpZbvlA5uesy5=2Fk=2F=2FbF8cjNucdtAiUAbu?= =?us-ascii?Q?x3syN4mUuFTqdMoiwMk5WyrRhZ7v5N2pFk8jyzd?= =?us-ascii?Q?jt2PAoB+O2styUUEB+5428a4w67alZVMDYe6cZo?= =?us-ascii?Q?=2FtJr1oiJRXZpJTsu3TC6Z4mrLHxpQt4zTvWDbOh?= =?us-ascii?Q?chQIxQ6H+gJigA+4mdlzQ=3D=3D?= To: ruby-core@ruby-lang.org X-Entity-ID: b/2+PoftWZ6GuOu3b0IycA== X-ML-Name: ruby-core X-Mail-Count: 105007 Subject: [ruby-core:105007] [Ruby master Bug#17052] Ruby with LTO enabled has issues with SIGSEGV handler X-BeenThere: ruby-core@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Ruby developers List-Id: Ruby developers List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #17052 has been updated by xtkoba (Tee KOBAYASHI). File ruby-addr2line-debug_info_read-debug-code-0001.patch added Nothing strange found in `.debug_abbrev`, either. A patch is attached to help ease debugging. ---------------------------------------- Bug #17052: Ruby with LTO enabled has issues with SIGSEGV handler https://bugs.ruby-lang.org/issues/17052#change-93407 * Author: vo.x (Vit Ondruch) * Status: Open * Priority: Normal * ruby -v: ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [powerpc64le-linux] * Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN ---------------------------------------- Fedora aims to enable link time optimization (LTO) of packages in next release. The specific changes in configuration options are available here [1]. Since that time, I observe following errors [2] at least on {aarch64,ppc64le} (and possibly also other architectures): ~~~ 1) Failure: TestBugReporter#test_bug_reporter_add [/builddir/build/BUILD/ruby-2.7.1/test/-ext-/bug_reporter/test_bug_reporter.rb:22]: pid 32395 killed by SIGSEGV (signal 11) (core dumped) | -:1: [BUG] Segmentation fault at 0x000003e800007e8b | ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [powerpc64le-linux] | | -- Control frame information ----------------------------------------------- | c:0003 p:---- s:0012 e:000011 CFUNC :kill | c:0002 p:0021 s:0006 e:000005 EVAL -:1 [FINISH] | c:0001 p:0000 s:0003 E:000f80 (none) [FINISH] | | -- Ruby level backtrace information ---------------------------------------- | -:1:in `
' | -:1:in `kill' | | -- C level backtrace information ------------------------------------------- .. 1. [2/2] Assertion for "stderr" | Expected /Sample bug reporter: 12345/ | to match | "-- Control frame information -----------------------------------------------\n"+ | "c:0003 p:---- s:0012 e:000011 CFUNC :kill\n"+ | "c:0002 p:0021 s:0006 e:000005 EVAL -:1 [FINISH]\n"+ | "c:0001 p:0000 s:0003 E:000f80 (none) [FINISH]\n\n"+ | "-- Ruby level backtrace information ----------------------------------------\n"+ | "-:1:in `
'\n"+ | "-:1:in `kill'\n\n"+ | "-- C level backtrace information -------------------------------------------\n" | after 4 patterns with 120 characters. 2) Failure: TestRubyOptions#test_segv_loaded_features [/builddir/build/BUILD/ruby-2.7.1/test/ruby/test_rubyoptions.rb:735]: pid 38444 killed by SIGSEGV (signal 11) (core dumped) | -e:1: [BUG] Segmentation fault at 0x000003e80000962c | ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [powerpc64le-linux] | | -- Control frame information ----------------------------------------------- | c:0003 p:---- s:0012 e:000011 CFUNC :kill | c:0002 p:0016 s:0006 e:000005 BLOCK -e:1 [FINISH] | c:0001 p:0000 s:0003 E:002460 (none) [FINISH] | | -- Ruby level backtrace information ---------------------------------------- | -e:1:in `block in
' | -e:1:in `kill' | | -- C level backtrace information ------------------------------------------- .. 1. [2/2] Assertion for "stderr" | <""> expected but was | <"-- C level backtrace information -------------------------------------------\n">. 3) Failure: TestRubyOptions#test_segv_setproctitle [/builddir/build/BUILD/ruby-2.7.1/test/ruby/test_rubyoptions.rb:749]: pid 38451 killed by SIGSEGV (signal 11) (core dumped) | -e:1: [BUG] Segmentation fault at 0x000003e800009633 | ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [powerpc64le-linux] | | -- Control frame information ----------------------------------------------- | c:0003 p:---- s:0012 e:000011 CFUNC :kill | c:0002 p:0029 s:0006 e:000005 EVAL -e:1 [FINISH] | c:0001 p:0000 s:0003 E:000480 (none) [FINISH] | | -- Ruby level backtrace information ---------------------------------------- | -e:1:in `
' | -e:1:in `kill' | | -- C level backtrace information ------------------------------------------- .. 1. [2/2] Assertion for "stderr" | <""> expected but was | <"-- C level backtrace information -------------------------------------------\n">. 4) Failure: TestRubyOptions#test_segv_test [/builddir/build/BUILD/ruby-2.7.1/test/ruby/test_rubyoptions.rb:729]: pid 38460 killed by SIGSEGV (signal 11) (core dumped) | -e:1: [BUG] Segmentation fault at 0x000003e80000963c | ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [powerpc64le-linux] | | -- Control frame information ----------------------------------------------- | c:0003 p:---- s:0012 e:000011 CFUNC :kill | c:0002 p:0015 s:0006 e:000005 EVAL -e:1 [FINISH] | c:0001 p:0000 s:0003 E:0006a0 (none) [FINISH] | | -- Ruby level backtrace information ---------------------------------------- | -e:1:in `
' | -e:1:in `kill' | | -- C level backtrace information ------------------------------------------- .. 1. [2/2] Assertion for "stderr" | <""> expected but was | <"-- C level backtrace information -------------------------------------------\n">. Finished tests in 840.600443s, 25.0047 tests/s, 3238.9681 assertions/s. 21019 tests, 2722678 assertions, 4 failures, 0 errors, 70 skips ruby -v: ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [powerpc64le-linux] ~~~ When I raised the issue on fedora-devel ML [3], there was suggestion that it might happen when signal handler modifies any global variable. Now I am not sure if that is the case. Can somebody confirm? Or investigate/fix this, please? [1]: https://src.fedoraproject.org/rpms/redhat-rpm-config/c/5baaf4a99cc77572d3496a7000674098bef7ed68?branch=master [2]: https://koschei.fedoraproject.org/package/ruby [3]: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/message/D6YUXPU5C2RWIQMNHLT4HBYXUGVKKPOW/ ---Files-------------------------------- ruby-addr2line-DW_FORM_ref_addr.patch (651 Bytes) ruby-addr2line-read_abstract_origin.patch (1.37 KB) ruby-addr2line-abbrev_table.patch (1.49 KB) ruby-addr2line-abbrev_table-r1.patch (2.81 KB) ruby-addr2line-debug_info_read-debug-code-0001.patch (1.11 KB) -- https://bugs.ruby-lang.org/