[Bug python/13308] New: (cpychecker) Memory leak in gdb/python/py-breakpoint.c: gdbpy_breakpoints

[Bug python/13308] New: (cpychecker) Memory leak in gdb/python/py-breakpoint.c: gdbpy_breakpoints

[dmalcolm at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13308

             Bug #: 13308
           Summary: (cpychecker) Memory leak in
                    gdb/python/py-breakpoint.c: gdbpy_breakpoints
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: normal
          Priority: P2
         Component: python
        AssignedTo: unassigned@sourceware.org
        ReportedBy: dmalcolm@redhat.com
    Classification: Unclassified


Created attachment 6010
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6010
HTML report showing the execution path that leaks memory

I'm experimenting with building GDB using a GCC plugin that adds a pass to
check correct reference-count handling in CPython code (cpychecker); see
https://fedorahosted.org/gcc-python-plugin/

I'm attaching an error report concerning:
  gdb/python/py-breakpoint.c: gdbpy_breakpoints

gdb.breakpoints() appears to leak the list of breakpoints each time it is
called.

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[Bug python/13308] (cpychecker) Memory leak in gdb/python/py-breakpoint.c: gdbpy_breakpoints

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13308

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2011-10-20 13:34:22 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Changes by:    pmuldoon@sourceware.org    2011-10-20 13:34:17

Modified files:
    gdb            : ChangeLog 
    gdb/python     : py-breakpoint.c py-inferior.c 

Log message:
    2011-10-20  Phil Muldoon  <pmuldoon@redhat.com>

    PR python/13308
    PR python/13309

    * python/py-breakpoint.c (gdbpy_breakpoints): Fix List reference
    leak.
    * python/py-inferior.c (gdbpy_inferiors): Fix List reference
    leak.  Delete unused variables.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13445&r2=1.13446
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/python/py-breakpoint.c.diff?cvsroot=src&r1=1.26&r2=1.27
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/python/py-inferior.c.diff?cvsroot=src&r1=1.15&r2=1.16

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[Bug python/13308] (cpychecker) Memory leak in gdb/python/py-breakpoint.c: gdbpy_breakpoints

[pmuldoon at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13308

Phil Muldoon <pmuldoon at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |pmuldoon at redhat dot com
         Resolution|                            |FIXED
         AssignedTo|unassigned at sourceware    |pmuldoon at redhat dot com
                   |dot org                     |
   Target Milestone|---                         |7.4

--- Comment #2 from Phil Muldoon <pmuldoon at redhat dot com> 2011-10-20 13:40:06 UTC ---
Fixed and committed.

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