From: postmodern.mod3@... Date: 2015-12-24T03:25:47+00:00 Subject: [ruby-core:72465] [Ruby trunk - Bug #11869] [Open] random hang/SegFault when accessing a missing constant in irb Issue #11869 has been reported by Hal Brodigan. ---------------------------------------- Bug #11869: random hang/SegFault when accessing a missing constant in irb https://bugs.ruby-lang.org/issues/11869 * Author: Hal Brodigan * Status: Open * Priority: Normal * Assignee: * ruby -v: ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-linux] * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN ---------------------------------------- While testing ruby-2.2.4 on Fedora 22, I noticed that sometimes ruby would hang or segfault when accessing a missing constant within irb. # Steps to Reproduce 1. /path/to/ruby-2.2.4/bin/irb 2. type "FOO" and press enter 3. Repeat step 2 until irb hangs or segfaults # Results Here is the backtrace from an immediate segfault: /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150: [BUG] Segmentation fault at 0x00000000000008 ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0023 p:---- s:0085 e:000084 CFUNC :readline c:0022 p:0042 s:0080 e:000079 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150 c:0021 p:0011 s:0076 e:000075 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:469 c:0020 p:0040 s:0073 e:000072 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:623 c:0019 p:0009 s:0068 e:000067 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:468 [FINISH] c:0018 p:---- s:0066 e:000065 CFUNC :call c:0017 p:0015 s:0063 e:000062 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:188 c:0016 p:0015 s:0059 e:000058 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:103 c:0015 p:0022 s:0055 e:000054 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:205 c:0014 p:0042 s:0047 e:000046 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:75 c:0013 p:0044 s:0042 e:000041 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:282 c:0012 p:0013 s:0038 e:000037 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:264 c:0011 p:0022 s:0033 e:000032 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:235 [FINISH] c:0010 p:---- s:0030 e:000029 CFUNC :loop c:0009 p:0007 s:0027 e:000026 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:231 [FINISH] c:0008 p:---- s:0025 e:000024 CFUNC :catch c:0007 p:0015 s:0021 e:000020 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:230 c:0006 p:0030 s:0018 E:000a80 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:485 c:0005 p:0008 s:0015 e:000014 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:395 [FINISH] c:0004 p:---- s:0013 e:000012 CFUNC :catch c:0003 p:0143 s:0009 E:0002d0 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:394 c:0002 p:0021 s:0004 E:001a10 EVAL /home/hal/.rubies/ruby-2.2.4/bin/irb:11 [FINISH] c:0001 p:0000 s:0002 E:001520 TOP [FINISH] -- Ruby level backtrace information ---------------------------------------- /home/hal/.rubies/ruby-2.2.4/bin/irb:11:in `
' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:394:in `start' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:394:in `catch' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:395:in `block in start' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:485:in `eval_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:230:in `each_top_level_statement' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:230:in `catch' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:231:in `block in each_top_level_statement' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:231:in `loop' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:235:in `block (2 levels) in each_top_level_statement' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:264:in `lex' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:282:in `token' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:75:in `match' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:205:in `match_io' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:103:in `getc' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:188:in `buf_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:188:in `call' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:468:in `block in eval_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:623:in `signal_status' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:469:in `block (2 levels) in eval_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150:in `gets' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150:in `readline' -- Machine register context ------------------------------------------------ RIP: 0x00007f2819de14ab RBP: 0x00007ffd2857d490 RSP: 0x00007ffd2857d470 RAX: 0x0000000000000000 RBX: 0x00005565b1567ce0 RCX: 0x0000000000000490 RDX: 0x0000000000000000 RDI: 0x00007ffd2857d490 RSI: 0x00005565b1567ce0 R8: 0x00007f281ac8c700 R9: 0x00007ffd2857d400 R10: 0x00007ffd2857d408 R11: 0x00007ffd2857d490 R12: 0x0000000000000001 R13: 0x00005565b13f1f00 R14: 0x00005565b163b400 R15: 0x0000000000000010 EFL: 0x0000000000010246 -- C level backtrace information ------------------------------------------- /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_vm_bugreport+0x533) [0x5565af540403] vm_dump.c:693 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_bug_context+0xc8) [0x5565af5af668] error.c:425 /home/hal/.rubies/ruby-2.2.4/bin/ruby(sigsegv+0x3e) [0x5565af4b1aae] signal.c:879 /lib64/libpthread.so.0 [0x7f281a885430] /lib64/libc.so.6(fputs+0x2b) [0x7f2819de14ab] iofputs.c:38 /lib64/libedit.so.0 [0x7f2812a0424d] /lib64/libedit.so.0 [0x7f2812a0435c] /lib64/libedit.so.0 [0x7f2812a0234e] /lib64/libedit.so.0 [0x7f2812a00929] /lib64/libedit.so.0(el_wgets+0x30d) [0x7f2812a00cbd] /lib64/libedit.so.0(el_gets+0x19) [0x7f2812a115d9] /lib64/libedit.so.0(readline+0xb0) [0x7f2812a0c960] /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_protect+0xf8) [0x5565af3eb828] eval.c:876 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/readline.so(readline_readline+0xb3) [0x7f2812c2cc33] readline.c:496 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_cfunc+0x13e) [0x5565af52adfe] vm_insnhelper.c:1380 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec_core+0x14c3) [0x5565af534ba3] insns.def:1070 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec+0x7b) [0x5565af5397fb] vm.c:1435 /home/hal/.rubies/ruby-2.2.4/bin/ruby(invoke_block_from_c+0x3e1) [0x5565af52c281] vm.c:813 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_invoke_proc+0xe0) [0x5565af52c660] vm.c:878 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_vm_invoke_proc+0x18) [0x5565af52c748] vm.c:897 /home/hal/.rubies/ruby-2.2.4/bin/ruby(proc_call+0x4f) [0x5565af3f0f1f] proc.c:731 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_cfunc+0x13e) [0x5565af52adfe] vm_insnhelper.c:1380 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec_core+0x14c3) [0x5565af534ba3] insns.def:1070 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec+0x7b) [0x5565af5397fb] vm.c:1435 /home/hal/.rubies/ruby-2.2.4/bin/ruby(invoke_block_from_c+0x3e1) [0x5565af52c281] vm.c:813 /home/hal/.rubies/ruby-2.2.4/bin/ruby(loop_i+0x4e) [0x5565af53d09e] vm.c:853 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_rescue2+0xbb) [0x5565af3eb54b] eval.c:808 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_f_loop+0x2b) [0x5565af52582b] vm_eval.c:1098 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_cfunc+0x13e) [0x5565af52adfe] vm_insnhelper.c:1380 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_method+0x11e) [0x5565af5329be] vm_insnhelper.c:1689 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec_core+0x1418) [0x5565af534af8] insns.def:1040 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec+0x7b) [0x5565af5397fb] vm.c:1435 /home/hal/.rubies/ruby-2.2.4/bin/ruby(invoke_block_from_c+0x3e1) [0x5565af52c281] vm.c:813 /home/hal/.rubies/ruby-2.2.4/bin/ruby(catch_i+0x5b) [0x5565af53d4fb] vm.c:853 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_catch_protect+0xaa) [0x5565af52bcaa] vm_eval.c:1996 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_f_catch+0x33) [0x5565af52be63] vm_eval.c:1975 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_cfunc+0x13e) [0x5565af52adfe] vm_insnhelper.c:1380 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_method+0x11e) [0x5565af5329be] vm_insnhelper.c:1689 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec_core+0x1418) [0x5565af534af8] insns.def:1040 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec+0x7b) [0x5565af5397fb] vm.c:1435 /home/hal/.rubies/ruby-2.2.4/bin/ruby(invoke_block_from_c+0x3e1) [0x5565af52c281] vm.c:813 /home/hal/.rubies/ruby-2.2.4/bin/ruby(catch_i+0x5b) [0x5565af53d4fb] vm.c:853 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_catch_protect+0xaa) [0x5565af52bcaa] vm_eval.c:1996 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_f_catch+0x33) [0x5565af52be63] vm_eval.c:1975 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_cfunc+0x13e) [0x5565af52adfe] vm_insnhelper.c:1380 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_call_method+0x11e) [0x5565af5329be] vm_insnhelper.c:1689 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec_core+0x1418) [0x5565af534af8] insns.def:1040 /home/hal/.rubies/ruby-2.2.4/bin/ruby(vm_exec+0x7b) [0x5565af5397fb] vm.c:1435 /home/hal/.rubies/ruby-2.2.4/bin/ruby(rb_iseq_eval_main+0x200) [0x5565af53b250] vm.c:1680 /home/hal/.rubies/ruby-2.2.4/bin/ruby(ruby_exec_internal+0xba) [0x5565af3e715a] eval.c:252 /home/hal/.rubies/ruby-2.2.4/bin/ruby(ruby_run_node+0x2f) [0x5565af3eadcf] eval.c:317 /home/hal/.rubies/ruby-2.2.4/bin/ruby(main+0x4b) [0x5565af3e6b5b] parse.y:7590 -- Other runtime information ----------------------------------------------- * Loaded script: irb * Loaded features: 0 enumerator.so 1 rational.so 2 complex.so 3 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 4 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 5 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/unicode_normalize.rb 6 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/rbconfig.rb 7 thread.rb 8 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/thread.so 9 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/compatibility.rb 10 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/defaults.rb 11 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/deprecate.rb 12 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/errors.rb 13 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/version.rb 14 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/requirement.rb 15 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/platform.rb 16 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/basic_specification.rb 17 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/stub_specification.rb 18 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/util/stringio.rb 19 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/specification.rb 20 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/exceptions.rb 21 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/core_ext/kernel_gem.rb 22 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/monitor.rb 23 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb 24 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems.rb 25 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/e2mmap.rb 26 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/init.rb 27 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/workspace.rb 28 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/inspector.rb 29 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/context.rb 30 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/extend-command.rb 31 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/output-method.rb 32 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/notifier.rb 33 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb 34 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-token.rb 35 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb 36 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/src_encoding.rb 37 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/magic-file.rb 38 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/readline.so 39 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb 40 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/locale.rb 41 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb 42 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/path_support.rb 43 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/rubygems/dependency.rb 44 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/completion.rb * Process memory map: 5565af3c4000-5565af693000 r-xp 00000000 fd:0c 192368 /home/hal/.rubies/ruby-2.2.4/bin/ruby 5565af892000-5565af897000 r--p 002ce000 fd:0c 192368 /home/hal/.rubies/ruby-2.2.4/bin/ruby 5565af897000-5565af898000 rw-p 002d3000 fd:0c 192368 /home/hal/.rubies/ruby-2.2.4/bin/ruby 5565af898000-5565af8a9000 rw-p 00000000 00:00 0 5565b106b000-5565b165b000 rw-p 00000000 00:00 0 [heap] 7f2810a51000-7f2811340000 r--s 00000000 fd:00 287951 /usr/lib/debug/lib64/libc-2.21.so.debug 7f2811340000-7f2811540000 r--s 00000000 fd:00 270678 /usr/lib64/libc-2.21.so 7f2811540000-7f2811612000 r--s 00000000 fd:00 287977 /usr/lib/debug/lib64/libpthread-2.21.so.debug 7f2811612000-7f281238b000 r--s 00000000 fd:0c 192368 /home/hal/.rubies/ruby-2.2.4/bin/ruby 7f281238b000-7f28123a1000 r-xp 00000000 fd:00 269908 /usr/lib64/libgcc_s-5.3.1-20151207.so.1 7f28123a1000-7f28125a0000 ---p 00016000 fd:00 269908 /usr/lib64/libgcc_s-5.3.1-20151207.so.1 7f28125a0000-7f28125a1000 r--p 00015000 fd:00 269908 /usr/lib64/libgcc_s-5.3.1-20151207.so.1 7f28125a1000-7f28125a2000 rw-p 00016000 fd:00 269908 /usr/lib64/libgcc_s-5.3.1-20151207.so.1 7f28125a2000-7f28125c8000 r-xp 00000000 fd:00 271546 /usr/lib64/libtinfo.so.5.9 7f28125c8000-7f28127c7000 ---p 00026000 fd:00 271546 /usr/lib64/libtinfo.so.5.9 7f28127c7000-7f28127cb000 r--p 00025000 fd:00 271546 /usr/lib64/libtinfo.so.5.9 7f28127cb000-7f28127cc000 rw-p 00029000 fd:00 271546 /usr/lib64/libtinfo.so.5.9 7f28127cc000-7f28127f0000 r-xp 00000000 fd:00 271273 /usr/lib64/libncurses.so.5.9 7f28127f0000-7f28129ef000 ---p 00024000 fd:00 271273 /usr/lib64/libncurses.so.5.9 7f28129ef000-7f28129f0000 r--p 00023000 fd:00 271273 /usr/lib64/libncurses.so.5.9 7f28129f0000-7f28129f1000 rw-p 00024000 fd:00 271273 /usr/lib64/libncurses.so.5.9 7f28129f1000-7f2812a23000 r-xp 00000000 fd:00 270955 /usr/lib64/libedit.so.0.0.53 7f2812a23000-7f2812c22000 ---p 00032000 fd:00 270955 /usr/lib64/libedit.so.0.0.53 7f2812c22000-7f2812c24000 r--p 00031000 fd:00 270955 /usr/lib64/libedit.so.0.0.53 7f2812c24000-7f2812c25000 rw-p 00033000 fd:00 270955 /usr/lib64/libedit.so.0.0.53 7f2812c25000-7f2812c29000 rw-p 00000000 00:00 0 7f2812c29000-7f2812c2f000 r-xp 00000000 fd:0c 193209 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/readline.so 7f2812c2f000-7f2812e2e000 ---p 00006000 fd:0c 193209 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/readline.so 7f2812e2e000-7f2812e2f000 r--p 00005000 fd:0c 193209 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/readline.so 7f2812e2f000-7f2812e30000 rw-p 00006000 fd:0c 193209 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/readline.so 7f2812e30000-7f2812e33000 r-xp 00000000 fd:0c 193222 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/thread.so 7f2812e33000-7f2813033000 ---p 00003000 fd:0c 193222 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/thread.so 7f2813033000-7f2813034000 r--p 00003000 fd:0c 193222 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/thread.so 7f2813034000-7f2813035000 rw-p 00004000 fd:0c 193222 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/thread.so 7f2813035000-7f2813037000 r-xp 00000000 fd:0c 193253 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7f2813037000-7f2813237000 ---p 00002000 fd:0c 193253 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7f2813237000-7f2813238000 r--p 00002000 fd:0c 193253 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7f2813238000-7f2813239000 rw-p 00003000 fd:0c 193253 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/trans/transdb.so 7f2813239000-7f281323b000 r-xp 00000000 fd:0c 193230 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7f281323b000-7f281343a000 ---p 00002000 fd:0c 193230 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7f281343a000-7f281343b000 r--p 00001000 fd:0c 193230 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7f281343b000-7f281343c000 rw-p 00002000 fd:0c 193230 /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/x86_64-linux/enc/encdb.so 7f281343c000-7f2819af6000 r--p 00000000 fd:00 269841 /usr/lib/locale/locale-archive 7f2819af6000-7f2819b6d000 r-xp 00000000 fd:00 277440 /usr/lib64/libfreebl3.so 7f2819b6d000-7f2819d6c000 ---p 00077000 fd:00 277440 /usr/lib64/libfreebl3.so 7f2819d6c000-7f2819d6e000 r--p 00076000 fd:00 277440 /usr/lib64/libfreebl3.so 7f2819d6e000-7f2819d6f000 rw-p 00078000 fd:00 277440 /usr/lib64/libfreebl3.so 7f2819d6f000-7f2819d73000 rw-p 00000000 00:00 0 7f2819d73000-7f2819f2a000 r-xp 00000000 fd:00 270678 /usr/lib64/libc-2.21.so 7f2819f2a000-7f281a129000 ---p 001b7000 fd:00 270678 /usr/lib64/libc-2.21.so 7f281a129000-7f281a12d000 r--p 001b6000 fd:00 270678 /usr/lib64/libc-2.21.so 7f281a12d000-7f281a12f000 rw-p 001ba000 fd:00 270678 /usr/lib64/libc-2.21.so 7f281a12f000-7f281a133000 rw-p 00000000 00:00 0 7f281a133000-7f281a23a000 r-xp 00000000 fd:00 271293 /usr/lib64/libm-2.21.so 7f281a23a000-7f281a439000 ---p 00107000 fd:00 271293 /usr/lib64/libm-2.21.so 7f281a439000-7f281a43a000 r--p 00106000 fd:00 271293 /usr/lib64/libm-2.21.so 7f281a43a000-7f281a43b000 rw-p 00107000 fd:00 271293 /usr/lib64/libm-2.21.so 7f281a43b000-7f281a442000 r-xp 00000000 fd:00 270871 /usr/lib64/libcrypt-2.21.so 7f281a442000-7f281a641000 ---p 00007000 fd:00 270871 /usr/lib64/libcrypt-2.21.so 7f281a641000-7f281a642000 r--p 00006000 fd:00 270871 /usr/lib64/libcrypt-2.21.so 7f281a642000-7f281a643000 rw-p 00007000 fd:00 270871 /usr/lib64/libcrypt-2.21.so 7f281a643000-7f281a671000 rw-p 00000000 00:00 0 7f281a671000-7f281a674000 r-xp 00000000 fd:00 271291 /usr/lib64/libdl-2.21.so 7f281a674000-7f281a873000 ---p 00003000 fd:00 271291 /usr/lib64/libdl-2.21.so 7f281a873000-7f281a874000 r--p 00002000 fd:00 271291 /usr/lib64/libdl-2.21.so 7f281a874000-7f281a875000 rw-p 00003000 fd:00 271291 /usr/lib64/libdl-2.21.so 7f281a875000-7f281a88c000 r-xp 00000000 fd:00 271321 /usr/lib64/libpthread-2.21.so 7f281a88c000-7f281aa8b000 ---p 00017000 fd:00 271321 /usr/lib64/libpthread-2.21.so 7f281aa8b000-7f281aa8c000 r--p 00016000 fd:00 271321 /usr/lib64/libpthread-2.21.so 7f281aa8c000-7f281aa8d000 rw-p 00017000 fd:00 271321 /usr/lib64/libpthread-2.21.so 7f281aa8d000-7f281aa91000 rw-p 00000000 00:00 0 7f281aa91000-7f281aab2000 r-xp 00000000 fd:00 269839 /usr/lib64/ld-2.21.so 7f281ab32000-7f281ab67000 r--s 00000000 fd:00 270955 /usr/lib64/libedit.so.0.0.53 7f281ab67000-7f281ab8a000 r--s 00000000 fd:00 271321 /usr/lib64/libpthread-2.21.so 7f281ab8a000-7f281ac90000 rw-p 00000000 00:00 0 7f281aca4000-7f281aca5000 rw-p 00000000 00:00 0 7f281aca5000-7f281acac000 r--s 00000000 fd:00 525551 /usr/lib64/gconv/gconv-modules.cache 7f281acac000-7f281acad000 ---p 00000000 00:00 0 7f281acad000-7f281acb1000 rw-p 00000000 00:00 0 [stack:31620] 7f281acb1000-7f281acb2000 r--p 00020000 fd:00 269839 /usr/lib64/ld-2.21.so 7f281acb2000-7f281acb3000 rw-p 00021000 fd:00 269839 /usr/lib64/ld-2.21.so 7f281acb3000-7f281acb4000 rw-p 00000000 00:00 0 7ffd27d82000-7ffd28581000 rw-p 00000000 00:00 0 7ffd285b3000-7ffd285b5000 r--p 00000000 00:00 0 [vvar] 7ffd285b5000-7ffd285b7000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Attempting to Ctrl^C the hanged irb produces the following backtrace: /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150: [BUG] Segmentation fault at 0x007ff1e8a93ff8 ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0023 p:---- s:0085 e:000084 CFUNC :readline c:0022 p:0042 s:0080 e:000079 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150 c:0021 p:0011 s:0076 e:000075 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:469 c:0020 p:0040 s:0073 e:000072 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:623 c:0019 p:0009 s:0068 e:000067 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:468 [FINISH] c:0018 p:---- s:0066 e:000065 CFUNC :call c:0017 p:0015 s:0063 e:000062 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:188 c:0016 p:0015 s:0059 e:000058 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:103 c:0015 p:0022 s:0055 e:000054 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:205 c:0014 p:0042 s:0047 e:000046 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:75 c:0013 p:0044 s:0042 e:000041 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:282 c:0012 p:0013 s:0038 e:000037 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:264 c:0011 p:0022 s:0033 e:000032 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:235 [FINISH] c:0010 p:---- s:0030 e:000029 CFUNC :loop c:0009 p:0007 s:0027 e:000026 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:231 [FINISH] c:0008 p:---- s:0025 e:000024 CFUNC :catch c:0007 p:0015 s:0021 e:000020 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:230 c:0006 p:0030 s:0018 E:001d40 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:485 c:0005 p:0008 s:0015 e:000014 BLOCK /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:395 [FINISH] c:0004 p:---- s:0013 e:000012 CFUNC :catch c:0003 p:0143 s:0009 E:000930 METHOD /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:394 c:0002 p:0021 s:0004 E:002190 EVAL /home/hal/.rubies/ruby-2.2.4/bin/irb:11 [FINISH] c:0001 p:0000 s:0002 E:001ca0 TOP [FINISH] -- Ruby level backtrace information ---------------------------------------- /home/hal/.rubies/ruby-2.2.4/bin/irb:11:in `
' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:394:in `start' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:394:in `catch' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:395:in `block in start' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:485:in `eval_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:230:in `each_top_level_statement' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:230:in `catch' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:231:in `block in each_top_level_statement' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:231:in `loop' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:235:in `block (2 levels) in each_top_level_statement' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:264:in `lex' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:282:in `token' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:75:in `match' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/slex.rb:205:in `match_io' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:103:in `getc' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:188:in `buf_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/ruby-lex.rb:188:in `call' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:468:in `block in eval_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:623:in `signal_status' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb.rb:469:in `block (2 levels) in eval_input' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150:in `gets' /home/hal/.rubies/ruby-2.2.4/lib/ruby/2.2.0/irb/input-method.rb:150:in `readline' -- Machine register context ------------------------------------------------ RIP: 0x00007ff1e7be778d RBP: 0x00000000ffffffff RSP: 0x00007ffe145bb8a0 RAX: 0x0000000000000000 RBX: 0x000055dc9b3c2d70 RCX: 0x000000009b3f1dc0 RDX: 0x00007ff1e8a94000 RDI: 0x00007ff1e8a94000 RSI: 0x00007ff1e8a94000 R8: 0x00007ff1e8a94000 R9: 0x0000000000000000 R10: 0x0000000000000022 R11: 0x0000000000000246 R12: 0x0000000000000000 R13: 0x00007ffe145bb9d0 R14: 0x000055dc9b3bbaa0 R15: 0x0000000000000010 EFL: 0x0000000000010206 -- C level backtrace information ------------------------------------------- *** Error in `irb': corrupted double-linked list: 0x000055dc9b3f1dc0 *** # Additional information Ruby 2.2.4 was compiled against the system's readline-6.3 (5.fc22) package. -- https://bugs.ruby-lang.org/ Unsubscribe: