[MacRuby] #1325: Segfault occurs with Matrix#inv

[MacRuby]

#1325: Segfault occurs with Matrix#inv
----------------------------------+-----------------------------------------
 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  major                 |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
----------------------------------+-----------------------------------------
 Test Script:
 {{{
 #!ruby
 require 'mathn'

 def matrix(dimension)
   rows = Array.new
   (1..dimension).each do |i|
     row = Array.new
     (1..dimension).each do |j|
       row.push(1/(i + j - 1))
     end
     rows.push(row)
   end
   return(Matrix.rows(rows))
 end

 m = matrix(30)
 m.inv
 }}}

 BackTrace:
 {{{
 Program received signal EXC_BAD_ACCESS, Could not access memory.
 Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000010
 0x00007fff84f2b11c in objc_msgSend ()
 (gdb) bt 20
 #0  0x00007fff84f2b11c in objc_msgSend ()
 #1  0x00000001000c558f in rb_objc_supports_forwarding (recv=8592468192,
 sel=0x100f26460) at objc.m:109
 #2  0x000000010012ce3d in rb_vm_dispatch () at dispatcher.cpp:674
 #3  0x00000001000d9ca1 in rb_vm_call0 (vm=0x100f23290, top=0,
 self=8592468192, klass=0x0, sel=0x100f26460, block=0x0, opt=2 '\002',
 argc=1, argv=0x7fff5fbf67c0) at vm.h:657
 #4  0x00000001000dadc6 in rb_vm_call2 (block=0x0, self=8592468192,
 klass=0, sel=0x100f26460, argc=1, argv=0x7fff5fbf67c0) at vm.h:682
 #5  0x00000001000dac66 in rb_call (recv=8592468192, mid=60, argc=1,
 argv=0x7fff5fbf67c0, scope=1, pass_current_block=false) at vm_eval.c:32
 #6  0x00000001000dafe9 in rb_funcall (recv=8592468192, mid=60, n=1) at
 vm_eval.c:106
 #7  0x00000001000892b1 in f_negative_p (x=8592468192) at rational.c:164
 #8  0x000000010008916f in f_gcd (x=8592468192, y=139417291019515137) at
 rational.c:278
 #9  0x0000000100089886 in f_addsub (self=8590808512,
 anum=18446743882439999117, aden=8592468192, bnum=18446744073164624117,
 bden=139417291019515137, k=45) at rational.c:652
 #10 0x0000000100089df0 in nurat_sub (self=8590808512, sel=0x100f26540,
 other=8592438080) at rational.c:746
 #11 0x000000010012e20e in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:161
 #12 0x000000010012e20e in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #13 0x000000010012e20e in rb_vm_dispatch () at dispatcher.cpp:886
 #14 0x0000000101600414 in ?? ()
 #15 0x0000000101604b54 in ?? ()
 #16 0x0000000101626f84 in ?? ()
 #17 0x0000000100134737 in __rb_vm_bcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:100
 #18 0x0000000100134737 in vm_block_eval [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:1248
 #19 0x0000000100134737 in rb_vm_yield_args () at dispatcher.cpp:1305
 (More stack frames follow...)
 (gdb)
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/1325>
MacRuby <http://macruby.org/>