From: hanmac@... Date: 2014-01-14T10:32:58+00:00 Subject: [ruby-core:59757] [ruby-trunk - Bug #8940] printing UTF-32 crashs ruby Issue #8940 has been updated by Hans Mackowiak. the bug is still in 2.2trunk with UTF-16 & #inspect s="\xFF\xFE\"\x00i\x00d\x00\"\x00|\x00\"\x00s\x00y\x00s\x00t\x00e\x00m\x00_\x00c\x00o\x00d\x00e\x00\"\x00|\x00\"\x00a\x00s\x00s\x00e\x00m\x00b\x00l\x00y\x00_\x00c\x00o\x00d\x00e\x00\"\x00|\x00\"\x00d\x00e\x00s\x00c\x00r\x00i\x00p\x00t\x00i\x00o\x00n\x00\"\x00|\x00\"\x00c\x00r\x00e\x00a\x00t\x00e\x00d\x00_\x00a\x00t\x00\"\x00|\x00\"\x00u\x00p\x00d\x00a\x00t\x00e\x00d\x00_\x00a\x00t\x00\"\x00\r\x00\n" s.force_encoding("UTF-16") /usr/local/lib/ruby/2.2.0/irb/inspector.rb:122: [BUG] Segmentation fault at 0x00000000000000 ruby 2.2.0dev (2014-01-12 trunk 44563) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0020 p:---- s:0072 e:000071 CFUNC :inspect c:0019 p:0010 s:0069 e:000068 BLOCK /usr/local/lib/ruby/2.2.0/irb/inspector.rb:122 [FINISH] c:0018 p:---- s:0066 e:000065 CFUNC :call c:0017 p:0011 s:0062 e:000061 METHOD /usr/local/lib/ruby/2.2.0/irb/inspector.rb:115 c:0016 p:0012 s:0058 e:000057 METHOD /usr/local/lib/ruby/2.2.0/irb/context.rb:386 c:0015 p:0015 s:0055 e:000052 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:662 c:0014 p:0035 s:0050 e:000049 BLOCK /usr/local/lib/ruby/2.2.0/irb.rb:493 c:0013 p:0040 s:0042 e:000041 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:624 c:0012 p:0009 s:0037 e:000036 BLOCK /usr/local/lib/ruby/2.2.0/irb.rb:489 c:0011 p:0118 s:0033 e:000032 BLOCK /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:247 [FINISH] c:0010 p:---- s:0030 e:000029 CFUNC :loop c:0009 p:0007 s:0027 e:000026 BLOCK /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:233 [FINISH] c:0008 p:---- s:0025 e:000024 CFUNC :catch c:0007 p:0015 s:0021 e:000020 METHOD /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:232 c:0006 p:0030 s:0018 E:001858 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:488 c:0005 p:0008 s:0015 e:000014 BLOCK /usr/local/lib/ruby/2.2.0/irb.rb:397 [FINISH] c:0004 p:---- s:0013 e:000012 CFUNC :catch c:0003 p:0143 s:0009 E:000c58 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:396 c:0002 p:0021 s:0004 E:001608 EVAL /usr/local/bin/irb:15 [FINISH] c:0001 p:0000 s:0002 E:001358 TOP [FINISH] ---------------------------------------- Bug #8940: printing UTF-32 crashs ruby https://bugs.ruby-lang.org/issues/8940#change-44289 * Author: Hans Mackowiak * Status: Assigned * Priority: Normal * Assignee: * Category: * Target version: * ruby -v: ruby 2.1.0dev (2013-09-23) [x86_64-darwin12.5.0] * Backport: 1.9.3: REQUIRED, 2.0.0: REQUIRED ---------------------------------------- using p "������".encode("UTF-32") does cause a SEGFAULT -- C level backtrace information ------------------------------------------- 0 libruby.2.1.0.dylib 0x00000001023f6679 rb_vm_bugreport + 137 1 libruby.2.1.0.dylib 0x00000001022bab1b report_bug + 283 2 libruby.2.1.0.dylib 0x00000001022ba9f4 rb_bug + 180 3 libruby.2.1.0.dylib 0x000000010237cc80 sigsegv + 144 4 libsystem_c.dylib 0x00007fff91d7d90a _sigtramp + 26 5 ??? 0x0000000000000000 0x0 + 0 6 libruby.2.1.0.dylib 0x00000001022b0045 rb_enc_precise_mbclen + 21 7 libruby.2.1.0.dylib 0x0000000102391cc8 rb_str_inspect + 968 8 libruby.2.1.0.dylib 0x00000001023f1e74 vm_call0_body + 2116 9 libruby.2.1.0.dylib 0x00000001023f1264 rb_call0 + 404 10 libruby.2.1.0.dylib 0x00000001023e7f15 rb_funcall + 261 11 libruby.2.1.0.dylib 0x0000000102312777 rb_inspect + 23 12 libruby.2.1.0.dylib 0x00000001022e663b rb_p + 11 13 libruby.2.1.0.dylib 0x00000001022f5b29 rb_f_p_internal + 57 14 libruby.2.1.0.dylib 0x00000001022c0b56 rb_ensure + 118 15 libruby.2.1.0.dylib 0x00000001022e9c9f rb_f_p + 31 16 libruby.2.1.0.dylib 0x00000001023f4baf vm_call_cfunc + 1007 17 libruby.2.1.0.dylib 0x00000001023f4528 vm_call_method + 840 18 libruby.2.1.0.dylib 0x00000001023deca7 vm_exec_core + 11591 19 libruby.2.1.0.dylib 0x00000001023eb4cd vm_exec + 109 20 libruby.2.1.0.dylib 0x00000001023ec2d8 rb_iseq_eval_main + 392 21 libruby.2.1.0.dylib 0x00000001022bfd69 ruby_exec_internal + 121 22 libruby.2.1.0.dylib 0x00000001022bfcae ruby_run_node + 78 23 ruby 0x0000000102274eef main + 79 -- http://bugs.ruby-lang.org/