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 E1A051F8C6 for ; Wed, 18 Aug 2021 20:20:13 +0000 (UTC) Received: from neon.ruby-lang.org (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id CF5CF120A0B; Thu, 19 Aug 2021 05:18:52 +0900 (JST) Received: from xtrwkhkc.outbound-mail.sendgrid.net (xtrwkhkc.outbound-mail.sendgrid.net [167.89.16.28]) by neon.ruby-lang.org (Postfix) with ESMTPS id 7FB3F1209FF for ; Thu, 19 Aug 2021 05:18:51 +0900 (JST) Received: by filterdrecv-7489454b79-krfb6 with SMTP id filterdrecv-7489454b79-krfb6-1-611D6B73-12 2021-08-18 20:20:03.19249172 +0000 UTC m=+425731.585232142 Received: from herokuapp.com (unknown) by geopod-ismtpd-3-2 (SG) with ESMTP id eTXBO1EMSnaixE3sBsCZQg for ; Wed, 18 Aug 2021 20:20:03.038 +0000 (UTC) Date: Wed, 18 Aug 2021 20:20:03 +0000 (UTC) From: "vo.x (Vit Ondruch)" 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: vo.x 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: 81151 X-SG-EID: =?us-ascii?Q?1BO5E1LXHcjbGn447qx9J3bLqJckwjkYxnet3qAAIKG0Q+gfRSAYCxFkjK=2FtB1?= =?us-ascii?Q?M2=2FIxYQQYM565yajRHmjHwlQAaBpmNDGBwfT5=2FO?= =?us-ascii?Q?ZSdFTY65t6zZ3FpP6sXO=2FO5oPPcrnBLWqd3aU0b?= =?us-ascii?Q?ErqJu8XEKw2ZV3fDRWpTifjcvC2ByFDlhb2+TQL?= =?us-ascii?Q?aDIG3Eh3PkChrS1LZ0pbEAAD4iTZ=2Fc4ZZLGpw+e?= =?us-ascii?Q?+79T78oatjJ9shbPNhONpGSKg6EvSl+yjO3Rxim?= =?us-ascii?Q?z15KinxLdkYQHg3AobGPA=3D=3D?= To: ruby-core@ruby-lang.org X-Entity-ID: b/2+PoftWZ6GuOu3b0IycA== X-ML-Name: ruby-core X-Mail-Count: 104975 Subject: [ruby-core:104975] [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 vo.x (Vit Ondruch). xtkoba (Tee KOBAYASHI) wrote in #note-21: > Isn't it possible that either section is broken? Well, it should be DWARF5, which is pretty recent and on ppc64le, so there might be some surprises ... > It might be helpful if can investigate those sections, in binary or `objdump` (from GNU Binutils) text output of The dumps should be available here: https://vondruch.fedorapeople.org/objdump.tar.gz ---------------------------------------- Bug #17052: Ruby with LTO enabled has issues with SIGSEGV handler https://bugs.ruby-lang.org/issues/17052#change-93374 * 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) -- https://bugs.ruby-lang.org/