[Octave-bug-tracker] [bug #29960] seg-fault caused by feval(f, aa{:})

[Rik]

Follow-up Comment #2, bug #29960 (project octave):

Backtrace from current tip

Program received signal SIGSEGV, Segmentation fault.
0x00000035a72a59d3 in std::string::length() const () from
/usr/lib/libstdc++.so.6
(gdb) bt
#0  0x00000035a72a59d3 in std::string::length() const () from
/usr/lib/libstdc++.so.6
#1  0x00007ffff75fa806 in string_vector::max_length (this=0x7fffffffc470) at
../liboctave/str-vec.h:80
#2  0x00007ffff6742db1 in charMatrix (this=0x7fffffffc070, s=...) at
chMatrix.cc:79
#3  0x00007ffff7707c90 in charNDArray (this=0x7fffffffc0f0, s=...) at
../liboctave/chNDArray.h:57
#4  0x00007ffff7725326 in octave_char_matrix (this=0xca4800, s=...) at
ov-ch-mat.h:78
#5  0x00007ffff772566d in octave_char_matrix_str (this=0xca4800, s=...) at
ov-str-mat.h:79
#6  0x00007ffff772582d in octave_char_matrix_sq_str (this=0xca4800, s=...) at
ov-str-mat.h:204
#7  0x00007ffff76fc18e in octave_value (this=0x7fffffffc280, s=..., type=39
''') at ov.cc:809
#8  0x00007ffff76f5f02 in octave_user_function::bind_automatic_vars
(this=0x6aa2b0, arg_names=..., nargin=3, nargout=0, va_args=...)
    at ov-usr-fcn.cc:528
#9  0x00007ffff76f555a in octave_user_function::do_multi_index_op
(this=0x6aa2b0, nargout=0, args=...) at ov-usr-fcn.cc:395
#10 0x00007ffff76ffe4a in octave_value::do_multi_index_op
(this=0x7fffffffc610, nargout=0, idx=...) at ov.cc:1244
#11 0x00007ffff755d666 in feval (name=..., args=..., nargout=0) at
oct-parse.yy:4104
#12 0x00007ffff755da82 in feval (args=..., nargout=0) at oct-parse.yy:4169
#13 0x00007ffff755dcce in Ffeval (args=..., nargout=0) at oct-parse.yy:4212
#14 0x00007ffff76703af in octave_builtin::do_multi_index_op (this=0x74e238,
nargout=0, args=...) at ov-builtin.cc:107
#15 0x00007ffff767010d in octave_builtin::subsref (this=0x74e238, type=...,
idx=..., nargout=0) at ov-builtin.cc:55
#16 0x00007ffff76ff9fe in octave_value::subsref (this=0x7fffffffcda0,
type=..., idx=..., nargout=0) at ov.cc:1190
#17 0x00007ffff778836d in tree_index_expression::rvalue (this=0xcbe180,
nargout=0) at pt-idx.cc:401
#18 0x00007ffff778850a in tree_index_expression::rvalue1 (this=0xcbe180,
nargout=0) at pt-idx.cc:412
#19 0x00007ffff7781b13 in tree_evaluator::visit_statement
(this=0x7ffff7ff9118, stmt=...) at pt-eval.cc:722
#20 0x00007ffff779ddf2 in tree_statement::accept (this=0xcca2e0, tw=...) at
pt-stmt.cc:152
#21 0x00007ffff7781cfe in tree_evaluator::visit_statement_list
(this=0x7ffff7ff9118, lst=...) at pt-eval.cc:758
#22 0x00007ffff779e1a0 in tree_statement_list::accept (this=0xcca300, tw=...)
at pt-stmt.cc:216
#23 0x00007ffff7612433 in main_loop () at toplev.cc:575
#24 0x00007ffff75ce24a in octave_main (argc=6, argv=0x7fffffffd2f8,
embedded=0) at octave.cc:882
#25 0x00000000004008f9 in main (argc=6, argv=0x7fffffffd2f8) at main.c:35


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