[Octave-bug-tracker] [bug #40233] Memory leak in oct-shlib

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?40233>

                 Summary: Memory leak in oct-shlib
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Wed 09 Oct 2013 08:47:31 PM PDT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

The leak is in the shared library code oct-shlib.  Perhaps helpful, or perhaps
a red herring, it is a PKG_ADD command that starts the leak sequence.


==16089== 56 (24 direct, 32 indirect) bytes in 1 blocks are definitely lost in
loss record 678 of 1,172
==16089==    at 0x4C2B1C7: operator new(unsigned long) (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16089==    by 0x17EBA951: ???
==16089==    by 0x17EBAE20: ???
==16089==    by 0x17EBB101: ???
==16089==    by 0x17C3363D: ???
==16089==    by 0x400F305: call_init.part.0 (dl-init.c:85)
==16089==    by 0x400F3DE: _dl_init (dl-init.c:52)
==16089==    by 0x4013AD9: dl_open_worker (dl-open.c:549)
==16089==    by 0x400F175: _dl_catch_error (dl-error.c:178)
==16089==    by 0x4013319: _dl_open (dl-open.c:639)
==16089==    by 0xBFE8F25: dlopen_doit (dlopen.c:67)
==16089==    by 0x400F175: _dl_catch_error (dl-error.c:178)
==16089==    by 0xBFE952E: _dlerror_run (dlerror.c:164)
==16089==    by 0xBFE8FC0: dlopen@@GLIBC_2.2.5 (dlopen.c:88)
==16089==    by 0x6F1313F:
octave_dlopen_shlib::octave_dlopen_shlib(std::string const&)
(oct-shlib.cc:196)
==16089==    by 0x6F133BA: octave_shlib::shlib_rep::new_instance(std::string
const&) (oct-shlib.cc:508)
==16089==    by 0x6F12F05: octave_shlib::shlib_rep::get_instance(std::string
const&, bool) (oct-shlib.cc:108)
==16089==    by 0x597DF48: octave_shlib::octave_shlib(std::string const&,
bool) (oct-shlib.h:116)
==16089==    by 0x597DFCC: octave_shlib::open(std::string const&) (in
/home/rik/wip/Projects_Mine/octave-dbg/libinterp/.libs/liboctinterp.so.1.0.1)
==16089==    by 0x597D705: octave_dynamic_loader::do_load_oct(std::string
const&, std::string const&, bool) (dynamic-ld.cc:270)
==16089==    by 0x597DC49: octave_dynamic_loader::load_oct(std::string const&,
std::string const&, bool) (dynamic-ld.cc:423)
==16089==    by 0x58B62B5: load_fcn_from_file(std::string const&, std::string
const&, std::string const&, std::string const&, bool) (oct-parse.yy:3518)
==16089==    by 0x5C54717:
symbol_table::fcn_info::fcn_info_rep::find_autoload() (symtab.cc:972)
==16089==    by 0x5C53BF1:
symbol_table::fcn_info::fcn_info_rep::xfind(octave_value_list const&, bool)
(symtab.cc:772)
==16089==    by 0x5C532E7:
symbol_table::fcn_info::fcn_info_rep::find(octave_value_list const&, bool)
(symtab.cc:616)
==16089==    by 0x5C581E1: symbol_table::fcn_info::find(octave_value_list
const&, bool) (symtab.h:988)
==16089==    by 0x5C56418: symbol_table::do_find(std::string const&,
octave_value_list const&, bool, bool) (symtab.cc:1348)
==16089==    by 0x5C55623: symbol_table::find(std::string const&,
octave_value_list const&, bool, bool) (symtab.cc:1149)
==16089==    by 0x5C55877: symbol_table::find_function(std::string const&,
octave_value_list const&, bool) (symtab.cc:1184)
==16089==    by 0x5C51689: symbol_table::symbol_record::find(octave_value_list
const&) const (symtab.cc:138)
==16089==    by 0x5873F3B: tree_identifier::rvalue(int,
std::list<octave_lvalue, std::allocator<octave_lvalue> > const*)
(pt-id.cc:70)
==16089==    by 0x5874A0C: tree_identifier::rvalue(int) (pt-id.h:108)
==16089==    by 0x5874225: tree_identifier::rvalue1(int) (pt-id.cc:115)
==16089==    by 0x58763C9: tree_index_expression::rvalue(int,
std::list<octave_lvalue, std::allocator<octave_lvalue> > const*)
(pt-idx.cc:327)
==16089==    by 0x58760C6: tree_index_expression::rvalue(int) (pt-idx.cc:284)
==16089==    by 0x5876BC5: tree_index_expression::rvalue1(int)
(pt-idx.cc:425)
==16089==    by 0x5872682: tree_expression::is_logically_true(char const*)
(pt-exp.cc:43)
==16089==    by 0x586FB99:
tree_evaluator::visit_if_command_list(tree_if_command_list&) (pt-eval.cc:581)
==16089==    by 0x588E80F: tree_if_command_list::accept(tree_walker&)
(pt-select.cc:83)
==16089==    by 0x586FA77: tree_evaluator::visit_if_command(tree_if_command&)
(pt-eval.cc:563)
==16089==    by 0x588EA2B: tree_if_command::accept(tree_walker&)
(pt-select.cc:108)
==16089==    by 0x5870083: tree_evaluator::visit_statement(tree_statement&)
(pt-eval.cc:721)
==16089==    by 0x5890AD3: tree_statement::accept(tree_walker&)
(pt-stmt.cc:178)
==16089==    by 0x58703D5:
tree_evaluator::visit_statement_list(tree_statement_list&) (pt-eval.cc:797)
==16089==    by 0x58910F3: tree_statement_list::accept(tree_walker&)
(pt-stmt.cc:291)
==16089==    by 0x5801B0D: octave_user_script::do_multi_index_op(int,
octave_value_list const&) (ov-usr-fcn.cc:153)
==16089==    by 0x58B7682: source_file(std::string const&, std::string const&,
bool, bool, std::string const&) (oct-parse.yy:3769)
==16089==    by 0x5B37216: execute_pkg_add_or_del(std::string const&,
std::string const&) (load-path.cc:1983)
==16089==    by 0x5B37324: execute_pkg_add(std::string const&)
(load-path.cc:1989)
==16089==    by 0x5B3195A: load_path::do_set(std::string const&, bool, bool)
(load-path.cc:632)







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