[Bug gdb/18393] New: GDB 7.9 segfaults on: python dir(gdb.current_progspace())

[Bug gdb/18393] New: GDB 7.9 segfaults on: python dir(gdb.current_progspace())

[zachriggle+gdb at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18393

            Bug ID: 18393
           Summary: GDB 7.9 segfaults on: python
                    dir(gdb.current_progspace())
           Product: gdb
           Version: 7.9
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: zachriggle+gdb at gmail dot com
  Target Milestone: ---

GNU gdb (Ubuntu 7.9-1ubuntu1) 7.9
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
(gdb) file /bin/bash
Reading symbols from /bin/bash...(no debugging symbols found)...done.
(gdb) set stop-on-solib-events 1
(gdb) r
Starting program: /bin/bash 
Stopped due to shared library event (no libraries added or removed)
(gdb) python print(dir(gdb.current_progspace()))
[1]    2090 segmentation fault  /usr/bin/gdb

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug gdb/18393] GDB 7.9 segfaults on: python dir(gdb.current_progspace())

[zachriggle+gdb at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18393

--- Comment #1 from Zach Riggle <zachriggle+gdb at gmail dot com> ---
Actually, most of that is unnecessary...

$ gdb --eval-command="python print(dir(gdb.current_progspace()))" 
GNU gdb (Ubuntu 7.9-1ubuntu1) 7.9
...
Segmentation fault

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug python/18393] GDB 7.9 segfaults on: python dir(gdb.current_progspace())

[vovcat at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18393

vovcat at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vovcat at gmail dot com
          Component|gdb                         |python
            Version|7.9                         |7.10

--- Comment #2 from vovcat at gmail dot com ---
$ gdb -ex 'python dir(gdb.objfiles()[0])' /bin/ls
GNU gdb (Debian 7.10-1) 7.10
[...]
Reading symbols from /bin/ls...(no debugging symbols found)...done.
Segmentation fault (core dumped)

$ gdb /usr/bin/gdb /var/tmp/1001.gdb.11.10618
[...]
Reading symbols from /usr/bin/gdb...Reading symbols from
/usr/lib/debug/.build-id/c6/f43bbad2fe64d3ce948335d7ccf97cee9f8d93.debug...done.
done.
[New LWP 10618]
[Thread debugging using libthread_db enabled]
Using host libthread_db library
"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
Core was generated by `gdb -ex python dir(gdb.objfiles()[0]) /bin/ls'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  gdb_py_generic_dict (self=0xb6b5bfc0,
    closure=0x861df60 <objfile_object_type>)
    at /build/gdb-ywwWgT/gdb-7.10/gdb/python/py-utils.c:429
429     /build/gdb-ywwWgT/gdb-7.10/gdb/python/py-utils.c: No such file or
directory.
(gdb) bt 
#0  gdb_py_generic_dict (self=0xb6b5bfc0, 
    closure=0x861df60 <objfile_object_type>)
    at /build/gdb-ywwWgT/gdb-7.10/gdb/python/py-utils.c:429
#1  0xb7452bab in ?? () from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#2  0xb72b13e9 in _PyObject_GenericGetAttrWithDict ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#3  0xb72b162e in PyObject_GenericGetAttr ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#4  0xb72a3a20 in PyObject_GetAttr ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#5  0xb72a3bcc in _PyObject_GetAttrId ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#6  0xb72bf153 in ?? () from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#7  0xb72c767f in PyCFunction_Call ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#8  0xb73d20e3 in PyObject_Call ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#9  0xb741c79d in PyObject_CallFunctionObjArgs ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
#10 0xb72b0f85 in PyObject_Dir ()
   from /usr/lib/i386-linux-gnu/libpython3.4m.so.1.0
[...]

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug python/18393] GDB 7.9 segfaults on: python dir(gdb.current_progspace())

[vovcat at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18393

vovcat at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kevin.pouget at gmail dot com

--- Comment #3 from vovcat at gmail dot com ---
*** Bug 18734 has been marked as a duplicate of this bug. ***

-- 
You are receiving this mail because:
You are on the CC list for the bug.