[Octave-bug-tracker] [bug #39273] lu SIGSEGV when used with 2 output variables with --enable-64

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?39273>

                 Summary: lu  SIGSEGV when used with 2 output variables with
--enable-64
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Di 18 Jun 2013 05:35:26 UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Crash
                  Status: None
             Assigned to: None
         Originator Name: Erich
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

Hello  !
At first, thank you for your work!

I am compiling octave with --enable-64
this is the first bug which prevents that 
 make check
finishes

Ciau Erich 



 [l u]=lu(rand(3))

Program received signal SIGSEGV, Segmentation fault.
base_lu<Matrix>::getp (this=0x7fffffffcbb0) at numeric/base-lu.cc:138
138                   octave_idx_type tmp = pvt.xelem (k);

(gdb) backtrace 
#0  base_lu<Matrix>::getp (this=0x7fffffffcbb0) at numeric/base-lu.cc:138
#1  0x00007ffff5e9f5f1 in base_lu<Matrix>::P (this=<optimized out>)
    at numeric/base-lu.cc:154
#2  0x00007ffff7a89508 in Flu (args=..., nargout=2) at corefcn/lu.cc:423
#3  0x00007ffff75944c9 in octave_builtin::do_multi_index_op (this=0x709ae0, 
    nargout=2, args=..., lvalue_list=0x7fffffffd4b0)
    at octave-value/ov-builtin.cc:131
#4  0x00007ffff7594186 in octave_builtin::subsref (this=0x709ae0, type="(", 
Python Exception <type 'exceptions.IndexError'> list index out of range: 
    idx=std::list, nargout=2, lvalue_list=0x7fffffffd4b0)
    at octave-value/ov-builtin.cc:64
#5  0x00007ffff7644826 in octave_value::subsref (this=<optimized out>, 
    type=..., idx=..., nargout=<optimized out>, lvalue_list=<optimized out>)
    at octave-value/ov.cc:1278
#6  0x00007ffff76afe8e in tree_index_expression::rvalue (this=<optimized out>,

    nargout=2, lvalue_list=0x7fffffffd4b0) at parse-tree/pt-idx.cc:414
#7  0x00007ffff769f8d8 in tree_multi_assignment::rvalue (this=0x786530)
    at parse-tree/pt-assign.cc:371
#8  0x00007ffff769ef59 in tree_multi_assignment::rvalue1 (this=0x786530, 
    nargout=0) at parse-tree/pt-assign.cc:326
#9  0x00007ffff76a7f1d in tree_evaluator::visit_statement (
    this=0x7ffff7ff5a88 <std_evaluator>, stmt=...) at
parse-tree/pt-eval.cc:747
#10 0x00007ffff76a79b1 in visit_statement_list (lst=..., 
    this=0x7ffff7ff5a88 <std_evaluator>) at parse-tree/pt-eval.cc:797
---Type <return> to continue, or q <return> to quit--- 
#11 tree_evaluator::visit_statement_list (this=0x7ffff7ff5a88 <std_evaluator>,

    lst=...) at parse-tree/pt-eval.cc:778
#12 0x00007ffff79ba224 in main_loop () at interpfcn/toplev.cc:573
#13 0x00007ffff7284543 in octave_execute_interpreter () at octave.cc:1015
#14 0x0000003655221a05 in __libc_start_main () from /lib64/libc.so.6
#15 0x0000000000400b01 in _start ()






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