From: nagachika00@... Date: 2014-10-18T18:22:07+00:00 Subject: [ruby-dev:48660] [ruby-trunk - Bug #10392] Ripper.sexp("<<'E'\n E\n\n") Issue #10392 has been updated by Tomoyuki Chikanaga. Backport changed from 2.0.0: DONE, 2.1: REQUIRED to 2.0.0: DONE, 2.1: DONE Backported into `ruby_2_1` at r48003. ---------------------------------------- Bug #10392: Ripper.sexp("<<'E'\n E\n\n") https://bugs.ruby-lang.org/issues/10392#change-49520 * Author: Akira Tanaka * Status: Closed * Priority: Normal * Assignee: * Category: * Target version: * ruby -v: ruby 2.2.0dev (2014-10-16 trunk 47971) [x86_64-linux] * Backport: 2.0.0: DONE, 2.1: DONE ---------------------------------------- 以下のようにすると SEGV になります。 ``` % cat z.rb require 'ripper' Ripper.sexp("<<'E'\n E\n\n") % ./ruby z.rb /home/ruby/tst1/lib/ruby/2.2.0/ripper/sexp.rb:31: [BUG] Segmentation fault at 0x00000000000008 ruby 2.2.0dev (2014-10-16 trunk 47971) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0004 p:---- s:0013 e:000012 CFUNC :parse c:0003 p:0028 s:0010 e:000009 METHOD /home/ruby/tst1/lib/ruby/2.2.0/ripper/sexp.rb:31 c:0002 p:0021 s:0004 E:000190 EVAL z.rb:2 [FINISH] c:0001 p:0000 s:0002 E:001920 TOP [FINISH] -- Ruby level backtrace information ---------------------------------------- z.rb:2:in `
' /home/ruby/tst1/lib/ruby/2.2.0/ripper/sexp.rb:31:in `sexp' /home/ruby/tst1/lib/ruby/2.2.0/ripper/sexp.rb:31:in `parse' -- Machine register context ------------------------------------------------ RIP: 0x00007fc0402e08ca RBP: 0x00007fffbe5f1a20 RSP: 0x00007fffbe5f19f0 RAX: 0x0000000000000000 RBX: 0x0000000000000097 RCX: 0x0000000000000097 RDX: 0x00007fffbe5f1a40 RDI: 0x00007fc042a98ae0 RSI: 0x0000000000000097 R8: 0x00007fc042a3fc50 R9: 0x0000000000000003 R10: 0x00007fffbe5f1ac0 R11: 0x00007fc0402eaa06 R12: 0x00007fc040215860 R13: 0x00007fffbe5f3d50 R14: 0x00007fc042a9ab70 R15: 0x00007fc03f04bf20 EFL: 0x0000000000010206 -- C level backtrace information ------------------------------------------- /home/ruby/tst1/ruby/ruby(rb_print_backtrace+0x19) [0x7fc04034c0f1] vm_dump.c:694 /home/ruby/tst1/ruby/ruby(rb_vm_bugreport+0xa9) [0x7fc04034c566] vm_dump.c:972 /home/ruby/tst1/ruby/ruby(rb_bug_context+0x113) [0x7fc0403a90b3] error.c:391 /home/ruby/tst1/ruby/ruby(sigsegv+0x8d) [0x7fc0402d61f8] signal.c:851 /lib/x86_64-linux-gnu/libpthread.so.0 [0x7fc03fdc38d0] /home/ruby/tst1/ruby/ruby(st_lookup+0x1b) [0x7fc0402e08ca] st.c:386 /home/ruby/tst1/ruby/ruby(lookup_method_table+0x4a) [0x7fc04033cb16] vm_method.c:209 /home/ruby/tst1/ruby/ruby(search_method+0x31) [0x7fc04033d86e] vm_method.c:566 /home/ruby/tst1/ruby/ruby(rb_method_entry_get_without_cache+0x2b) [0x7fc04033d8fa] vm_method.c:591 /home/ruby/tst1/ruby/ruby(rb_method_entry+0xb8) [0x7fc04033dae2] vm_method.c:662 /home/ruby/tst1/ruby/ruby(check_funcall_respond_to+0x2d) [0x7fc0403407fa] vm_eval.c:369 /home/ruby/tst1/ruby/ruby(rb_check_funcall+0x48) [0x7fc040340a13] vm_eval.c:426 /home/ruby/tst1/ruby/ruby(convert_type+0xcc) [0x7fc04027ae48] object.c:2611 /home/ruby/tst1/ruby/ruby(rb_convert_type+0x47) [0x7fc04027afe8] object.c:2647 /home/ruby/tst1/ruby/ruby(rb_str_to_str+0x2b) [0x7fc0402e61f1] string.c:1057 /home/ruby/tst1/ruby/ruby(rb_string_value+0x4b) [0x7fc0402e827a] string.c:1657 /home/ruby/tst1/ruby/ruby(rb_str_append+0x1c) [0x7fc0402eaa22] string.c:2340 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so(parser_here_document+0x197) [0x7fc03e72620b] ripper.y:6540 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so(parser_yylex+0x5c) [0x7fc03e729345] ripper.y:7676 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so(yylex+0x3f) [0x7fc03e72b004] ripper.y:8334 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so(ripper_yyparse+0x383) [0x7fc03e71b899] parse.c:4767 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so(ripper_parse0+0x3b) [0x7fc03e72d1b8] ripper.y:10853 /home/ruby/tst1/ruby/ruby(rb_ensure+0x148) [0x7fc0402194cf] eval.c:911 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so(ripper_parse+0xe5) [0x7fc03e72d2e3] ripper.y:10889 /home/ruby/tst1/ruby/ruby(call_cfunc_0+0x29) [0x7fc040331db2] vm_insnhelper.c:1357 /home/ruby/tst1/ruby/ruby(vm_call_cfunc_with_frame+0x1fc) [0x7fc0403328a6] vm_insnhelper.c:1523 /home/ruby/tst1/ruby/ruby(vm_call_cfunc+0x2b) [0x7fc0403329af] vm_insnhelper.c:1613 /home/ruby/tst1/ruby/ruby(vm_call_method+0x113) [0x7fc040333382] vm_insnhelper.c:1801 /home/ruby/tst1/ruby/ruby(vm_call_general+0x2b) [0x7fc040333bdb] vm_insnhelper.c:1960 /home/ruby/tst1/ruby/ruby(vm_exec_core+0x27d1) [0x7fc040337460] insns.def:1028 /home/ruby/tst1/ruby/ruby(vm_exec+0xe4) [0x7fc040347838] vm.c:1367 /home/ruby/tst1/ruby/ruby(rb_iseq_eval_main+0x34) [0x7fc0403489cc] vm.c:1637 /home/ruby/tst1/ruby/ruby(ruby_exec_internal+0x131) [0x7fc040217bbf] eval.c:253 /home/ruby/tst1/ruby/ruby(ruby_exec_node+0x24) [0x7fc040217ce8] eval.c:318 /home/ruby/tst1/ruby/ruby(ruby_run_node+0x3e) [0x7fc040217cbb] eval.c:310 /home/ruby/tst1/ruby/ruby(main+0x71) [0x7fc040215a01] main.c:36 -- Other runtime information ----------------------------------------------- * Loaded script: z.rb * Loaded features: 0 enumerator.so 1 rational.so 2 complex.so 3 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 4 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 5 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/rbconfig.rb 6 thread.rb 7 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/thread.so 8 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/compatibility.rb 9 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/defaults.rb 10 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/deprecate.rb 11 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/errors.rb 12 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/version.rb 13 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/requirement.rb 14 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/platform.rb 15 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/basic_specification.rb 16 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/stub_specification.rb 17 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/util/stringio.rb 18 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/specification.rb 19 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/exceptions.rb 20 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/core_ext/kernel_gem.rb 21 /home/ruby/tst1/lib/ruby/2.2.0/monitor.rb 22 /home/ruby/tst1/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb 23 /home/ruby/tst1/lib/ruby/2.2.0/rubygems.rb 24 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so 25 /home/ruby/tst1/lib/ruby/2.2.0/ripper/core.rb 26 /home/ruby/tst1/lib/ruby/2.2.0/ripper/lexer.rb 27 /home/ruby/tst1/lib/ruby/2.2.0/ripper/filter.rb 28 /home/ruby/tst1/lib/ruby/2.2.0/ripper/sexp.rb 29 /home/ruby/tst1/lib/ruby/2.2.0/ripper.rb * Process memory map: 7fc03dd78000-7fc03df1e000 r--s 00000000 08:01 11799878 /lib/x86_64-linux-gnu/libc-2.19.so 7fc03df1e000-7fc03df95000 r--s 00000000 08:01 15859726 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so 7fc03df95000-7fc03e4fb000 r--s 00000000 08:01 15073361 /home/ruby/tst1/ruby/ruby 7fc03e4fb000-7fc03e511000 r-xp 00000000 08:01 11796487 /lib/x86_64-linux-gnu/libgcc_s.so.1 7fc03e511000-7fc03e710000 ---p 00016000 08:01 11796487 /lib/x86_64-linux-gnu/libgcc_s.so.1 7fc03e710000-7fc03e711000 rw-p 00015000 08:01 11796487 /lib/x86_64-linux-gnu/libgcc_s.so.1 7fc03e711000-7fc03e741000 r-xp 00000000 08:01 15859726 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so 7fc03e741000-7fc03e940000 ---p 00030000 08:01 15859726 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so 7fc03e940000-7fc03e943000 rw-p 0002f000 08:01 15859726 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/ripper.so 7fc03e943000-7fc03e946000 r-xp 00000000 08:01 15859747 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/thread.so 7fc03e946000-7fc03eb46000 ---p 00003000 08:01 15859747 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/thread.so 7fc03eb46000-7fc03eb47000 rw-p 00003000 08:01 15859747 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/thread.so 7fc03eb47000-7fc03eb49000 r-xp 00000000 08:01 15859769 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7fc03eb49000-7fc03ed49000 ---p 00002000 08:01 15859769 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7fc03ed49000-7fc03ed4a000 rw-p 00002000 08:01 15859769 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7fc03ed4a000-7fc03ed4c000 r-xp 00000000 08:01 15859801 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7fc03ed4c000-7fc03ef4b000 ---p 00002000 08:01 15859801 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7fc03ef4b000-7fc03ef4c000 rw-p 00001000 08:01 15859801 /home/ruby/tst1/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7fc03ef4c000-7fc03f04d000 rw-p 00000000 00:00 0 7fc03f04d000-7fc03f1ec000 r-xp 00000000 08:01 11799878 /lib/x86_64-linux-gnu/libc-2.19.so 7fc03f1ec000-7fc03f3eb000 ---p 0019f000 08:01 11799878 /lib/x86_64-linux-gnu/libc-2.19.so 7fc03f3eb000-7fc03f3ef000 r--p 0019e000 08:01 11799878 /lib/x86_64-linux-gnu/libc-2.19.so 7fc03f3ef000-7fc03f3f1000 rw-p 001a2000 08:01 11799878 /lib/x86_64-linux-gnu/libc-2.19.so 7fc03f3f1000-7fc03f3f5000 rw-p 00000000 00:00 0 7fc03f3f5000-7fc03f4f5000 r-xp 00000000 08:01 11799873 /lib/x86_64-linux-gnu/libm-2.19.so 7fc03f4f5000-7fc03f6f4000 ---p 00100000 08:01 11799873 /lib/x86_64-linux-gnu/libm-2.19.so 7fc03f6f4000-7fc03f6f5000 r--p 000ff000 08:01 11799873 /lib/x86_64-linux-gnu/libm-2.19.so 7fc03f6f5000-7fc03f6f6000 rw-p 00100000 08:01 11799873 /lib/x86_64-linux-gnu/libm-2.19.so 7fc03f6f6000-7fc03f6fe000 r-xp 00000000 08:01 11799883 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7fc03f6fe000-7fc03f8fd000 ---p 00008000 08:01 11799883 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7fc03f8fd000-7fc03f8fe000 r--p 00007000 08:01 11799883 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7fc03f8fe000-7fc03f8ff000 rw-p 00008000 08:01 11799883 /lib/x86_64-linux-gnu/libcrypt-2.19.so 7fc03f8ff000-7fc03f92d000 rw-p 00000000 00:00 0 7fc03f92d000-7fc03f930000 r-xp 00000000 08:01 11796508 /lib/x86_64-linux-gnu/libdl-2.19.so 7fc03f930000-7fc03fb2f000 ---p 00003000 08:01 11796508 /lib/x86_64-linux-gnu/libdl-2.19.so 7fc03fb2f000-7fc03fb30000 r--p 00002000 08:01 11796508 /lib/x86_64-linux-gnu/libdl-2.19.so 7fc03fb30000-7fc03fb31000 rw-p 00003000 08:01 11796508 /lib/x86_64-linux-gnu/libdl-2.19.so 7fc03fb31000-7fc03fbb2000 r-xp 00000000 08:01 16780134 /usr/lib/x86_64-linux-gnu/libgmp.so.10.2.0 7fc03fbb2000-7fc03fdb2000 ---p 00081000 08:01 16780134 /usr/lib/x86_64-linux-gnu/libgmp.so.10.2.0 7fc03fdb2000-7fc03fdb3000 r--p 00081000 08:01 16780134 /usr/lib/x86_64-linux-gnu/libgmp.so.10.2.0 7fc03fdb3000-7fc03fdb4000 rw-p 00082000 08:01 16780134 /usr/lib/x86_64-linux-gnu/libgmp.so.10.2.0 7fc03fdb4000-7fc03fdcc000 r-xp 00000000 08:01 11799871 /lib/x86_64-linux-gnu/libpthread-2.19.so 7fc03fdcc000-7fc03ffcb000 ---p 00018000 08:01 11799871 /lib/x86_64-linux-gnu/libpthread-2.19.so 7fc03ffcb000-7fc03ffcc000 r--p 00017000 08:01 11799871 /lib/x86_64-linux-gnu/libpthread-2.19.so 7fc03ffcc000-7fc03ffcd000 rw-p 00018000 08:01 11799871 /lib/x86_64-linux-gnu/libpthread-2.19.so 7fc03ffcd000-7fc03ffd1000 rw-p 00000000 00:00 0 7fc03ffd1000-7fc03fff1000 r-xp 00000000 08:01 11799884 /lib/x86_64-linux-gnu/ld-2.19.so 7fc040002000-7fc0400a6000 r--s 00000000 08:01 16913977 /usr/lib/debug/lib/x86_64-linux-gnu/libpthread-2.19.so 7fc0400a6000-7fc0400c8000 r--s 00000000 08:01 11799871 /lib/x86_64-linux-gnu/libpthread-2.19.so 7fc0400c8000-7fc0401d0000 r--p 00000000 08:01 16781848 /usr/lib/locale/locale-archive 7fc0401d0000-7fc0401d5000 rw-p 00000000 00:00 0 7fc0401ea000-7fc0401eb000 rw-p 00000000 00:00 0 7fc0401eb000-7fc0401ec000 ---p 00000000 00:00 0 7fc0401ec000-7fc0401f1000 rw-p 00000000 00:00 0 [stack:16182] 7fc0401f1000-7fc0401f2000 r--p 00020000 08:01 11799884 /lib/x86_64-linux-gnu/ld-2.19.so 7fc0401f2000-7fc0401f3000 rw-p 00021000 08:01 11799884 /lib/x86_64-linux-gnu/ld-2.19.so 7fc0401f3000-7fc0401f4000 rw-p 00000000 00:00 0 7fc0401f4000-7fc0404a6000 r-xp 00000000 08:01 15073361 /home/ruby/tst1/ruby/ruby 7fc0406a6000-7fc0406ac000 rw-p 002b2000 08:01 15073361 /home/ruby/tst1/ruby/ruby 7fc0406ac000-7fc0406bf000 rw-p 00000000 00:00 0 7fc042631000-7fc042b35000 rw-p 00000000 00:00 0 [heap] 7fffbe5d4000-7fffbe5f5000 rw-p 00000000 00:00 0 7fffbe5fc000-7fffbe5fe000 r-xp 00000000 00:00 0 [vdso] 7fffbe5fe000-7fffbe600000 r--p 00000000 00:00 0 [vvar] 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/