From: naruse@... Date: 2017-03-12T13:46:59+00:00 Subject: [ruby-core:80054] [Ruby trunk Bug#13227] Crash when refine subclass method and call super Issue #13227 has been updated by Yui NARUSE. Backport changed from 2.2: UNKNOWN, 2.3: DONTNEED, 2.4: REQUIRED to 2.2: UNKNOWN, 2.3: DONTNEED, 2.4: DONE ruby_2_4 r57907 merged revision(s) 57655. ---------------------------------------- Bug #13227: Crash when refine subclass method and call super https://bugs.ruby-lang.org/issues/13227#change-63481 * Author: Rei Huang * Status: Closed * Priority: Normal * Assignee: * Target version: * ruby -v: ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-linux] * Backport: 2.2: UNKNOWN, 2.3: DONTNEED, 2.4: DONE ---------------------------------------- Test script: test.rb ~~~ ruby class Parent end class Child < Parent end module FooBar refine Parent do def to_s "Parent" end end refine Child do def to_s super + " -> Child" end end end using FooBar puts Child.new.to_s ~~~ Expect output "Parent -> Child", works in 2.3.3p222, crashed in 2.4.0p0. Crash log: ~~~ /app/test.rb:16: [BUG] Segmentation fault at 0x00000000000008 ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0003 p:0010 s:0012 e:000010 METHOD /app/test.rb:16 c:0002 p:0066 s:0007 e:000005 EVAL /app/test.rb:23 [FINISH] c:0001 p:0000 s:0003 E:000de0 (none) [FINISH] -- Ruby level backtrace information ---------------------------------------- /app/test.rb:23:in `
' /app/test.rb:16:in `to_s' -- Machine register context ------------------------------------------------ RIP: 0x00007f34dfa59734 RBP: 0x00007f34dff69f80 RSP: 0x00007ffdf5b20d10 RAX: 0x0000000000000000 RBX: 0x0000000000ce16c0 RCX: 0x0000000001085af0 RDX: 0x0000000000ee7d48 RDI: 0x0000000000ee8130 RSI: 0x0000000000000ce1 R8: 0x0000000001084f30 R9: 0x0000000000000004 R10: 0x0000000001083e50 R11: 0x00007f34dff69fb0 R12: 0x00007ffdf5b20e70 R13: 0x0000000000000ce1 R14: 0x0000000001085aa0 R15: 0x00007f34dff69f80 EFL: 0x0000000000010246 -- C level backtrace information ------------------------------------------- /usr/local/lib/libruby.so.2.4(rb_vm_bugreport+0x4f3) [0x7f34dfa66313] vm_dump.c:679 /usr/local/lib/libruby.so.2.4(rb_bug_context+0xd4) [0x7f34df8e75d4] error.c:426 /usr/local/lib/libruby.so.2.4(sigsegv+0x3e) [0x7f34df9da4ce] signal.c:907 /lib/x86_64-linux-gnu/libpthread.so.0 [0x7f34df634890] /usr/local/lib/libruby.so.2.4(vm_call_zsuper+0xa4) [0x7f34dfa59734] vm_insnhelper.c:2114 /usr/local/lib/libruby.so.2.4(vm_call_method+0xe3) [0x7f34dfa58f03] vm_insnhelper.c:2291 /usr/local/lib/libruby.so.2.4(vm_exec_core+0x1931) [0x7f34dfa51d91] insns.def:1086 /usr/local/lib/libruby.so.2.4(vm_exec+0x8b) [0x7f34dfa56aab] vm.c:1712 /usr/local/lib/libruby.so.2.4(ruby_exec_internal+0xb2) [0x7f34df8ed3b2] eval.c:244 /usr/local/lib/libruby.so.2.4(ruby_exec_node+0x1d) [0x7f34df8ef0dd] eval.c:308 /usr/local/lib/libruby.so.2.4(ruby_run_node+0x1e) [0x7f34df8f1c4e] eval.c:300 /usr/local/bin/ruby(main+0x4b) [0x40087b] main.c:36 -- Other runtime information ----------------------------------------------- * Loaded script: /app/test.rb * Loaded features: 0 enumerator.so 1 thread.rb 2 rational.so 3 complex.so 4 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/encdb.so 5 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/trans/transdb.so 6 /usr/local/lib/ruby/2.4.0/unicode_normalize.rb 7 /usr/local/lib/ruby/2.4.0/x86_64-linux/rbconfig.rb 8 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/compatibility.rb 9 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/defaults.rb 10 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/deprecate.rb 11 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/errors.rb 12 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/version.rb 13 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/requirement.rb 14 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/platform.rb 15 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/basic_specification.rb 16 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/stub_specification.rb 17 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/util/list.rb 18 /usr/local/lib/ruby/2.4.0/x86_64-linux/stringio.so 19 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/specification.rb 20 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/exceptions.rb 21 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/dependency.rb 22 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_gem.rb 23 /usr/local/lib/ruby/2.4.0/monitor.rb 24 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb 25 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems.rb 26 /usr/local/lib/ruby/site_ruby/2.4.0/rubygems/path_support.rb 27 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/version.rb 28 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/core_ext/name_error.rb 29 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/levenshtein.rb 30 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/jaro_winkler.rb 31 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checker.rb 32 /usr/local/lib/ruby/2.4.0/delegate.rb 33 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/name_error_checkers/class_name_checker.rb 34 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/name_error_checkers/variable_name_checker.rb 35 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/name_error_checkers.rb 36 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/method_name_checker.rb 37 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/spell_checkers/null_checker.rb 38 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean/formatter.rb 39 /usr/local/lib/ruby/gems/2.4.0/gems/did_you_mean-1.1.0/lib/did_you_mean.rb * Process memory map: 00400000-00401000 r-xp 00000000 08:01 528047 /usr/local/bin/ruby 00600000-00601000 rw-p 00000000 08:01 528047 /usr/local/bin/ruby 00ce1000-0109f000 rw-p 00000000 00:00 0 [heap] 7f34dd287000-7f34dd430000 r--s 00000000 08:01 3933095 /lib/x86_64-linux-gnu/libc-2.19.so 7f34dd430000-7f34de31b000 r--s 00000000 08:01 528085 /usr/local/lib/libruby.so.2.4.0 7f34de31b000-7f34de331000 r-xp 00000000 08:01 3933114 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f34de331000-7f34de530000 ---p 00016000 08:01 3933114 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f34de530000-7f34de531000 rw-p 00015000 08:01 3933114 /lib/x86_64-linux-gnu/libgcc_s.so.1 7f34de531000-7f34de539000 r-xp 00000000 08:01 655625 /usr/local/lib/ruby/2.4.0/x86_64-linux/stringio.so 7f34de539000-7f34de738000 ---p 00008000 08:01 655625 /usr/local/lib/ruby/2.4.0/x86_64-linux/stringio.so 7f34de738000-7f34de739000 rw-p 00007000 08:01 655625 /usr/local/lib/ruby/2.4.0/x86_64-linux/stringio.so 7f34de739000-7f34de73c000 r-xp 00000000 08:01 655580 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/trans/transdb.so 7f34de73c000-7f34de93b000 ---p 00003000 08:01 655580 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/trans/transdb.so 7f34de93b000-7f34de93c000 rw-p 00002000 08:01 655580 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/trans/transdb.so 7f34de93c000-7f34de93e000 r-xp 00000000 08:01 655537 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/encdb.so 7f34de93e000-7f34deb3d000 ---p 00002000 08:01 655537 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/encdb.so 7f34deb3d000-7f34deb3e000 rw-p 00001000 08:01 655537 /usr/local/lib/ruby/2.4.0/x86_64-linux/enc/encdb.so 7f34deb3e000-7f34decdf000 r-xp 00000000 08:01 3933095 /lib/x86_64-linux-gnu/libc-2.19.so 7f34decdf000-7f34deedf000 ---p 001a1000 08:01 3933095 /lib/x86_64-linux-gnu/libc-2.19.so 7f34deedf000-7f34deee3000 r--p 001a1000 08:01 3933095 /lib/x86_64-linux-gnu/libc-2.19.so 7f34deee3000-7f34deee5000 rw-p 001a5000 08:01 3933095 /lib/x86_64-linux-gnu/libc-2.19.so 7f34deee5000-7f34deee9000 rw-p 00000000 00:00 0 7f34deee9000-7f34defe9000 r-xp 00000000 08:01 3933125 /lib/x86_64-linux-gnu/libm-2.19.so 7f34defe9000-7f34df1e8000 ---p 00100000 08:01 3933125 /lib/x86_64-linux-gnu/libm-2.19.so 7f34df1e8000-7f34df1e9000 r--p 000ff000 08:01 3933125 /lib/x86_64-linux-gnu/libm-2.19.so 7f34df1e9000-7f34df1ea000 rw-p 00100000 08:01 3933125 /lib/x86_64-linux-gnu/libm-2.19.so 7f34df1ea000-7f34df1f2000 r-xp 00000000 08:01 3933103 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7f34df1f2000-7f34df3f1000 ---p 00008000 08:01 3933103 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7f34df3f1000-7f34df3f2000 r--p 00007000 08:01 3933103 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7f34df3f2000-7f34df3f3000 rw-p 00008000 08:01 3933103 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7f34df3f3000-7f34df421000 rw-p 00000000 00:00 0 7f34df421000-7f34df424000 r-xp 00000000 08:01 3933108 /lib/x86_64-linux-gnu/libdl-2.19.so 7f34df424000-7f34df623000 ---p 00003000 08:01 3933108 /lib/x86_64-linux-gnu/libdl-2.19.so 7f34df623000-7f34df624000 r--p 00002000 08:01 3933108 /lib/x86_64-linux-gnu/libdl-2.19.so 7f34df624000-7f34df625000 rw-p 00003000 08:01 3933108 /lib/x86_64-linux-gnu/libdl-2.19.so 7f34df625000-7f34df63d000 r-xp 00000000 08:01 3933159 /lib/x86_64-linux-gnu/libpthread-2.19.so 7f34df63d000-7f34df83c000 ---p 00018000 08:01 3933159 /lib/x86_64-linux-gnu/libpthread-2.19.so 7f34df83c000-7f34df83d000 r--p 00017000 08:01 3933159 /lib/x86_64-linux-gnu/libpthread-2.19.so 7f34df83d000-7f34df83e000 rw-p 00018000 08:01 3933159 /lib/x86_64-linux-gnu/libpthread-2.19.so 7f34df83e000-7f34df842000 rw-p 00000000 00:00 0 7f34df842000-7f34dfb41000 r-xp 00000000 08:01 528085 /usr/local/lib/libruby.so.2.4.0 7f34dfb41000-7f34dfd40000 ---p 002ff000 08:01 528085 /usr/local/lib/libruby.so.2.4.0 7f34dfd40000-7f34dfd49000 rw-p 002fe000 08:01 528085 /usr/local/lib/libruby.so.2.4.0 7f34dfd49000-7f34dfd5a000 rw-p 00000000 00:00 0 7f34dfd5a000-7f34dfd7a000 r-xp 00000000 08:01 3933077 /lib/x86_64-linux-gnu/ld-2.19.so 7f34dfdf3000-7f34dfe15000 r--s 00000000 08:01 3933159 /lib/x86_64-linux-gnu/libpthread-2.19.so 7f34dfe15000-7f34dfe39000 r--s 00000000 08:01 528047 /usr/local/bin/ruby 7f34dfe39000-7f34dff70000 rw-p 00000000 00:00 0 7f34dff73000-7f34dff74000 rw-p 00000000 00:00 0 7f34dff74000-7f34dff75000 ---p 00000000 00:00 0 7f34dff75000-7f34dff7a000 rw-p 00000000 00:00 0 7f34dff7a000-7f34dff7b000 r--p 00020000 08:01 3933077 /lib/x86_64-linux-gnu/ld-2.19.so 7f34dff7b000-7f34dff7c000 rw-p 00021000 08:01 3933077 /lib/x86_64-linux-gnu/ld-2.19.so 7f34dff7c000-7f34dff7d000 rw-p 00000000 00:00 0 7ffdf5323000-7ffdf5b22000 rw-p 00000000 00:00 0 [stack] 7ffdf5b46000-7ffdf5b48000 r--p 00000000 00:00 0 [vvar] 7ffdf5b48000-7ffdf5b4a000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] [NOTE] You may have encountered a bug in the Ruby interpreter or extension libraries. Bug reports are welcome. For details: http://www.ruby-lang.org/bugreport.html ~~~ -- https://bugs.ruby-lang.org/ Unsubscribe: