ruby-core

Issue #8687 has been updated by usa (Usaku NAKAMURA).

Backport changed from 1.9.3: REQUIRED, 2.0.0: DONE to 1.9.3: DONE, 2.0.0: DONE

Backported to ruby_1_9_3 at r42326.
----------------------------------------
Bug #8687: mathn and round causes an segmentationfault
https://bugs.ruby-lang.org/issues/8687#change-40826

Author: Hanmac (Hans Mackowiak)
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.1.0dev (2013-07-25) [x86_64-darwin12.4.0]
Backport: 1.9.3: DONE, 2.0.0: DONE


require "mathn"; (5/2).round(2)


-- Control frame information -----------------------------------------------
c:0019 p:---- s:0076 e:000075 CFUNC  :round
c:0018 p:0013 s:0072 e:000071 EVAL   (irb):4 [FINISH]
c:0017 p:---- s:0070 e:000069 CFUNC  :eval
c:0016 p:0024 s:0063 e:000062 METHOD /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/workspace.rb:86
c:0015 p:0025 s:0056 e:000054 METHOD /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/context.rb:380
c:0014 p:0022 s:0050 e:000049 BLOCK  /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:492
c:0013 p:0040 s:0042 e:000041 METHOD /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:624
c:0012 p:0009 s:0037 e:000036 BLOCK  /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:489
c:0011 p:0118 s:0033 e:000032 BLOCK  /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:247 [FINISH]
c:0010 p:---- s:0030 e:000029 CFUNC  :loop
c:0009 p:0007 s:0027 e:000026 BLOCK  /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:233 [FINISH]
c:0008 p:---- s:0025 e:000024 CFUNC  :catch
c:0007 p:0015 s:0021 e:000020 METHOD /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:232
c:0006 p:0030 s:0018 E:0009a8 METHOD /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:488
c:0005 p:0008 s:0015 e:000014 BLOCK  /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:397 [FINISH]
c:0004 p:---- s:0013 e:000012 CFUNC  :catch
c:0003 p:0143 s:0009 E:001178 METHOD /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:396
c:0002 p:0112 s:0004 E:000ca8 EVAL   /Users/hanmac/.rvm/rubies/ruby-head/bin/irb:15 [FINISH]
c:0001 p:0000 s:0002 E:0011e8 TOP    [FINISH]

/Users/hanmac/.rvm/rubies/ruby-head/bin/irb:15:in `<main>'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:396:in `start'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:396:in `catch'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:397:in `block in start'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:488:in `eval_input'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:232:in `each_top_level_statement'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:232:in `catch'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:233:in `block in each_top_level_statement'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:233:in `loop'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb:247:in `block (2 levels) in each_top_level_statement'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:489:in `block in eval_input'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:624:in `signal_status'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb:492:in `block (2 levels) in eval_input'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/context.rb:380:in `evaluate'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/workspace.rb:86:in `evaluate'
/Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/workspace.rb:86:in `eval'
(irb):4:in `irb_binding'
(irb):4:in `round'

-- C level backtrace information -------------------------------------------
0   libruby.2.1.0.dylib                 0x000000010cada749 rb_vm_bugreport + 137
1   libruby.2.1.0.dylib                 0x000000010c99ee2b report_bug + 283
2   libruby.2.1.0.dylib                 0x000000010c99ed04 rb_bug + 180
3   libruby.2.1.0.dylib                 0x000000010ca5f190 sigsegv + 144
4   libsystem_c.dylib                   0x00007fff9081194a _sigtramp + 26
5   libruby.2.1.0.dylib                 0x000000010ca2e1ea nurat_round + 10
6   ???                                 0x0000000000000000 0x0 + 0

-- Other runtime information -----------------------------------------------

* Loaded script: irb

* Loaded features:

    0 enumerator.so
    1 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/x86_64-darwin12.4.0/enc/encdb.bundle
    2 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/x86_64-darwin12.4.0/enc/trans/transdb.bundle
    3 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/x86_64-darwin12.4.0/rbconfig.rb
    4 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/compatibility.rb
    5 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/defaults.rb
    6 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/deprecate.rb
    7 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/errors.rb
    8 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/version.rb
    9 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/requirement.rb
   10 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/platform.rb
   11 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/specification.rb
   12 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/exceptions.rb
   13 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_gem.rb
   14 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/thread.rb
   15 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/monitor.rb
   16 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb
   17 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems.rb
   18 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/e2mmap.rb
   19 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/init.rb
   20 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/workspace.rb
   21 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/inspector.rb
   22 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/context.rb
   23 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/extend-command.rb
   24 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/output-method.rb
   25 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/notifier.rb
   26 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/slex.rb
   27 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-token.rb
   28 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/ruby-lex.rb
   29 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/src_encoding.rb
   30 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/magic-file.rb
   31 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/x86_64-darwin12.4.0/readline.bundle
   32 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/input-method.rb
   33 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/locale.rb
   34 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb.rb
   35 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/path_support.rb
   36 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/site_ruby/2.1.0/rubygems/dependency.rb
   37 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/irb/completion.rb
   38 /Users/hanmac/.rvm/scripts/irbrc.rb
   39 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/cmath.rb
   40 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/matrix.rb
   41 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/singleton.rb
   42 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/forwardable.rb
   43 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/prime.rb
   44 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/x86_64-darwin12.4.0/mathn/rational.bundle
   45 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/x86_64-darwin12.4.0/mathn/complex.bundle
   46 /Users/hanmac/.rvm/rubies/ruby-head/lib/ruby/2.1.0/mathn.rb







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[#56365] [ruby-trunk - Bug #8728][Open] strio_substr can put invalid pointer into substring — "headius (Charles Nutter)" <headius@...>

[#56367] [ruby-trunk - Bug #8729][Open] Fix character literals in documentation — "henrikhodne (Henrik Hodne)" <me@...>

[#56368] [ruby-trunk - Bug #8730][Open] "rescue Exception" rescues Timeout::ExitException — "takiuchi (Genki Takiuchi)" <genki@...21g.com>

[#56375] [ruby-trunk - Bug #8732][Open] Docs for rss/0.9.rb — "steveklabnik (Steve Klabnik)" <steve@...>

[#56383] [ruby-trunk - Bug #8735][Open] Enumerator::Lazy#zip behaves differently from Enumerable#zip when yield with non-single argument — "kachick (Kenichi Kamiya)" <kachick1@...>

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[#56389] [ruby-trunk - Feature #8738][Open] Integer#single_bit? (Actually Fixnum#single_bit? and Bignum#single_bit?) — "akr (Akira Tanaka)" <akr@...>

[#56392] [ruby-trunk - Bug #8740][Open] Documentation for RSS 1.0 and 2.0 — "steveklabnik (Steve Klabnik)" <steve@...>

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[#56423] [ruby-trunk - Bug #5772] Segmentation Fault on Mac (crash) — "naruse (Yui NARUSE)" <naruse@...>

[#56433] [ruby-trunk - Feature #8748][Open] Integer#popcount (Fixnum#popcount and Bignum#popcount) — "akr (Akira Tanaka)" <akr@...>

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[#56439] [ruby-trunk - Bug #8742] JSON.parse can not handle tab in string — "jacknagel (Jack Nagel)" <redmine@...>

[#56440] [ruby-trunk - Bug #8742] JSON.parse can not handle tab in string — "henrikhodne (Henrik Hodne)" <me@...>

[#56443] [ruby-trunk - Bug #8742][Rejected] JSON.parse can not handle tab in string — "naruse (Yui NARUSE)" <naruse@...>

[#56447] Reminder: Developer Meeting August 9th, 23:00 UTC — Aaron Patterson <tenderlove@...>

[#56449] [CommonRuby - Feature #8751][Open] Add offsets to method#source_location — "tenderlovemaking (Aaron Patterson)" <tenderlove@...>

[#56454] [ruby-trunk - Bug #8754][Open] Stop checking for old REXML versions — "steveklabnik (Steve Klabnik)" <steve@...>

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[#56467] [ruby-trunk - Bug #8759][Open] Error compiling miniruby — "spastorino (Santiago Pastorino)" <santiago@...>

[#56470] [ruby-trunk - Bug #8760][Open] irb automatically exists after opening — "spastorino (Santiago Pastorino)" <santiago@...>

[#56471] [ruby-trunk - Feature #8761][Open] Binding#local_variable_get, set, defined? — "ko1 (Koichi Sasada)" <redmine@...>

[#56478] [ruby-trunk - Bug #8762][Open] CFLAGS and LDFLAGS are not set properly in Makefile when they are already set as environment variables — "charliesome (Charlie Somerville)" <charliesome@...>

[#56480] [ruby-trunk - Bug #8753] __FILE__.encoding is wrong — "ko1 (Koichi Sasada)" <redmine@...>

[#56489] [ruby-trunk - Bug #8753] __FILE__.encoding is wrong — "nobu (Nobuyoshi Nakada)" <nobu@...>

[#56493] [ruby-trunk - Bug #8756] SEGFAULT caused by `p Struct.new(:q?).instance_methods` — "phasis68 (Heesob Park)" <phasis@...>

[#56494] [ruby-trunk - Bug #8763][Open] Error in improve the docs webpage — "markijbema (Mark IJbema)" <markijbema@...>

[#56497] [ruby-trunk - Bug #8756][Assigned] SEGFAULT caused by `p Struct.new(:q?).instance_methods` — "Glass_saga (Masaki Matsushita)" <glass.saga@...>

[#56498] [ruby-trunk - Bug #8764][Assigned] Test failure introduced by r42468 — "luislavena (Luis Lavena)" <luislavena@...>

[#56513] [ruby-trunk - Feature #8765][Open] Literal for symbol with interpolation — "sawa (Tsuyoshi Sawada)" <sawadatsuyoshi@...>

[#56514] [ruby-trunk - Bug #8766][Open] RDoc documentation bug: Symbol literal — "sawa (Tsuyoshi Sawada)" <sawadatsuyoshi@...>

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[#56518] [ruby-trunk - Bug #8767][Open] IO.copy_stream should write in binary mode. — "godfat (Lin Jen-Shin)" <godfat@...>

[#56521] [ruby-trunk - Bug #8768][Open] [PATCH] tempfile: undefine finalizer on unlink — "normalperson (Eric Wong)" <normalperson@...>

[#56523] [ruby-trunk - Bug #8769][Open] [PATCH] process.c (rb_fork_internal): remove cloexec setting — "normalperson (Eric Wong)" <normalperson@...>

[#56524] [ruby-trunk - Bug #8770][Open] [PATCH] process.c: avoid EINTR from Process.spawn — "normalperson (Eric Wong)" <normalperson@...>

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[#56536] [ruby-trunk - Feature #8772][Open] Hash alias #| merge, and the case for Hash and Array polymorphism — "trans (Thomas Sawyer)" <redmine@...>

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[#56544] [ruby-trunk - Bug #8774][Open] rb_file_dirname return wrong encoding string when dir is "." — jiayp@... (贾 延平) <jiayp@...>

[#56545] [ruby-trunk - Bug #8775][Open] Dir.getwd's encoding is wrong — jiayp@... (贾 延平) <jiayp@...>

[#56547] [ruby-trunk - Bug #8776][Open] script_name's encoding is wrong — jiayp@... (贾 延平) <jiayp@...>

[#56551] [CommonRuby - Feature #8777][Open] Process.mach_absolute_time — "tenderlovemaking (Aaron Patterson)" <tenderlove@...>

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[#56562] [ruby-trunk - Bug #8778][Assigned] lib/test/ documentation is too weak — "zzak (Zachary Scott)" <e@...>

[#56567] [ruby-trunk - Feature #8780][Assigned] DBM#to_h alias for #to_hash — "zzak (Zachary Scott)" <e@...>

[#56569] [ruby-trunk - Feature #8781][Open] Use require_relative() instead of require() if possible — "ko1 (Koichi Sasada)" <redmine@...>

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[#56609] [ruby-trunk - Bug #8784][Open] CSV - Empty fields are discarded when col_sep is a space — "grim7reaper (Sylvain Laperche)" <sylvain.laperche@...>

[#56633] [Backport 200 - Backport #8787][Open] Backport RubyGems 2.0.7 — "drbrain (Eric Hodel)" <drbrain@...7.net>

[#56634] [ruby-trunk - Feature #8788][Open] use eventfd on newer Linux instead of pipe for timer thread — "normalperson (Eric Wong)" <normalperson@...>

[#56640] [ruby-trunk - Bug #8789][Open] File.expand_path(File.dirname(__FILE__)) return wrong encoded result — jiayp@... (贾 延平) <yanping_jia@...>

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[#56645] [ruby-trunk - Feature #8793][Open] Ruby 2.0 and Threads under HPUX — "michal@... (Michal Rokos)" <michal@...>

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[#56648] [ruby-trunk - Bug #8795][Open] "Null byte in string error" on Marshal.load — "mml (McClain Looney)" <m@...>

[#56658] [ruby-trunk - Feature #8796][Open] Use GMP to accelerate Bignum operations — "akr (Akira Tanaka)" <akr@...>

[#56661] Re: [ruby-cvs:49733] eregon:r42591 (trunk): * process.c (rb_clock_gettime): document CLOCK_REALTIME and — Zachary Scott <e@...>

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[#56707] [ruby-trunk - Bug #8800][Open] Nodoc legacy constant — "steveklabnik (Steve Klabnik)" <steve@...>

[#56480] [ruby-trunk - Bug #8753] FILE.encoding is wrong — "ko1 (Koichi Sasada)" <redmine@...>

[#56489] [ruby-trunk - Bug #8753] FILE.encoding is wrong — "nobu (Nobuyoshi Nakada)" <nobu@...>

[#56544] [ruby-trunk - Bug #8774][Open] rb_file_dirname return wrong encoding string when dir is "." — jiayp@... (贾延平) <jiayp@...>

[#56545] [ruby-trunk - Bug #8775][Open] Dir.getwd's encoding is wrong — jiayp@... (贾延平) <jiayp@...>

[#56547] [ruby-trunk - Bug #8776][Open] script_name's encoding is wrong — jiayp@... (贾延平) <jiayp@...>

[#56640] [ruby-trunk - Bug #8789][Open] File.expand_path(File.dirname(FILE)) return wrong encoded result — jiayp@... (贾延平) <yanping_jia@...>