[Octave-bug-tracker] [bug #61821] segfault using tree_parameter_list in oct file

[Markus Mützel]

Follow-up Comment #7, bug #61821 (project octave):

Tried again with the 32-bit version of Octave. With it, I can reproduce the
crash.

Top of the backtrace:

(gdb) c
Continuing.
[Thread 3448.0x3ee8 exited with code 0]
[Thread 3448.0x1a3c exited with code 0]
[New Thread 3448.0x5644]

Thread 18 received signal SIGSEGV, Segmentation fault.
[Switching to Thread 3448.0x54c0]
0x6c08172d in std::__cxx11::list<octave::tree_decl_elt*,
std::allocator<octave::tree_decl_elt*> >::empty (this=<optimized out>) at
d:/svn/octave/test/octave~2.90-/octave~1.90-/mingw32/lib/gcc/i686-w64-mingw32/11.2.0/include/c++/bits/stl_list.h:1056
1056          { return this->_M_impl._M_node._M_next ==
&this->_M_impl._M_node; }
(gdb) bt
#0  0x6c08172d in std::__cxx11::list<octave::tree_decl_elt*,
std::allocator<octave::tree_decl_elt*> >::empty (
    this=<optimized out>)
    at
d:/svn/octave/test/octave~2.90-/octave~1.90-/mingw32/lib/gcc/i686-w64-mingw32/11.2.0/include/c++/bits/stl_list.h:1056
#1  octave::base_list<octave::tree_decl_elt*>::empty (this=<optimized out>)
    at
d:/svn/octave/test/octave~2.90-/octave~1.90-/mingw32/include/octave-7.0.90/octave/base-list.h:50
#2  Fparams (args=..., nargout=0) at params.cc:15
#3  0x6ea1009c in
liboctinterp-9!_ZN14octave_builtin7executeERN6octave14tree_evaluatorEiRK17octave_value_list
()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#4  0x6ea4722e in
liboctinterp-9!_ZN15octave_function4callERN6octave14tree_evaluatorEiRK17octave_value_list
()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#5  0x6eb19e40 in
liboctinterp-9!_ZN6octave15tree_identifier10evaluate_nERNS_14tree_evaluatorEi
()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#6  0x6f092e75 in
liboctinterp-9!_ZN6octave15tree_identifier8evaluateERNS_14tree_evaluatorEi ()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#7  0x6eb15c9f in
liboctinterp-9!_ZN6octave14tree_evaluator15visit_statementERNS_14tree_statementE
()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#8  0x6eb04d89 in
liboctinterp-9!_ZN6octave14tree_evaluator20visit_statement_listERNS_19tree_statement_listE
()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#9  0x6eb062ed in
liboctinterp-9!_ZN6octave14tree_evaluator4evalERSt10shared_ptrINS_19tree_statement_listEEb
()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#10 0x6eb11f76 in liboctinterp-9!_ZN6octave14tree_evaluator4replEv ()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#11 0x6edd04eb in liboctinterp-9!_ZN6octave11interpreter7executeEv ()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctinterp-9.dll
#12 0x6c30b7e0 in liboctgui-6!_ZN6octave19interpreter_qobject7executeEv ()
   from
D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\liboctgui-6.dll
#13 0x66b20bbd in ZN14QMetaCallEvent13placeMetaCallEP7QObject ()
   from D:\SVN\Octave\test\OCTAVE~2.90-\OCTAVE~1.90-\mingw32\bin\Qt5Core.dll



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