Ruby

This causes a segfault:

seq 3 | ruby -ne 'ARGV[$.]=$_' 

These similar ones don't:

seq 3 | ruby -e 'ARGV[0] = "abc"' seq 3 | ruby -ne 'BEGIN{a=[]}; a[$.]=$_' 

Here is the output:

-e:1: [BUG] Segmentation fault at 0x00000000000008 ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin13] -- Crash Report log information -------------------------------------------- See Crash Report log file under the one of following: * ~/Library/Logs/CrashReporter * /Library/Logs/CrashReporter * ~/Library/Logs/DiagnosticReports * /Library/Logs/DiagnosticReports for more details. -- Control frame information ----------------------------------------------- c:0004 p:---- s:0009 e:000008 CFUNC :gets c:0003 p:---- s:0007 e:000006 CFUNC :gets c:0002 p:0025 s:0004 E:001370 EVAL -e:1 [FINISH] c:0001 p:0000 s:0002 E:001ff0 TOP [FINISH] -- Ruby level backtrace information ---------------------------------------- -e:1:in `<main>' -e:1:in `gets' -e:1:in `gets' -- Machine register context ------------------------------------------------ rax: 0x0000000000000000 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x00007fcf40409840 rdi: 0x0000000000000008 rsi: 0x0000000000000000 rbp: 0x00007fff5caabb50 rsp: 0x00007fff5caabb30 r8: 0x0000000000000008 r9: 0x00000001031d6aa0 r10: 0x00007fcf404070d0 r11: 0xfffffffffffffff8 r12: 0x00007fcf40409840 r13: 0x0000000000000008 r14: 0x0000000000000008 r15: 0x0000000000000008 rip: 0x0000000103277a3e rfl: 0x0000000000010246 -- C level backtrace information ------------------------------------------- 0 ruby 0x00000001032ecdeb rb_vm_bugreport + 155 1 ruby 0x0000000103191e80 rb_bug_context + 480 2 ruby 0x00000001032696b3 sigsegv + 83 3 libsystem_platform.dylib 0x00007fff8ff285aa _sigtramp + 26 4 ruby 0x0000000103277a3e rb_enc_str_coderange + 14 5 ??? 0x0000000000000000 0x0 + 0 -- Other runtime information ----------------------------------------------- * Loaded script: -e * Loaded features: 0 enumerator.so 1 rational.so 2 complex.so 3 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/x86_64-darwin13/enc/encdb.bundle 4 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/x86_64-darwin13/enc/trans/transdb.bundle 5 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/unicode_normalize.rb 6 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/x86_64-darwin13/rbconfig.rb 7 thread.rb 8 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/x86_64-darwin13/thread.bundle 9 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/compatibility.rb 10 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/defaults.rb 11 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/deprecate.rb 12 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/errors.rb 13 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/version.rb 14 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/requirement.rb 15 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/platform.rb 16 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/basic_specification.rb 17 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/stub_specification.rb 18 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/util/stringio.rb 19 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/specification.rb 20 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/exceptions.rb 21 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/core_ext/kernel_gem.rb 22 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/monitor.rb 23 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb 24 /Users/josh/.rubies/ruby-2.2.3/lib/ruby/2.2.0/rubygems.rb [NOTE] You may have encountered a bug in the Ruby interpreter or extension libraries. Bug reports are welcome. Don't forget to include the above Crash Report log file. For details: http://www.ruby-lang.org/bugreport.html fish: Process 99401, 'ruby' from job 7, 'seq 3 | ruby -ne 'ARGV[$.]=$_'' terminated by signal SIGABRT (Abort)