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* [Bug python/10666] New: reloading Python convenience function segfaults with invalid free
@ 2009-09-19 10:04 jason dot orendorff at gmail dot com
2009-09-19 10:27 ` [Bug python/10666] " jason dot orendorff at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jason dot orendorff at gmail dot com @ 2009-09-19 10:04 UTC (permalink / raw)
To: gdb-prs
# x.py
import gdb
def f():
class Fn(gdb.Function):
def invoke(self):
return 3.14159
Fn("pi")
f()
$ gdb
(gdb) python import x
(gdb) python reload(x)
Segmentation fault
valgrind says:
==19973== Invalid free() / delete / delete[]
==19973== at 0x4025DFA: free (vg_replace_malloc.c:323)
==19973== by 0x80E86F3: delete_cmd (cli-decode.c:671)
==19973== by 0x80E87CA: add_cmd (cli-decode.c:157)
==19973== by 0x8133737: add_internal_function (value.c:1419)
==19973== by 0x8106A6D: fnpy_init (python-function.c:121)
==19973== by 0x4139F54: (within /usr/lib/libpython2.6.so.1.0)
==19973== by 0x40DA98B: PyObject_Call (in /usr/lib/libpython2.6.so.1.0)
==19973== by 0x4180617: PyEval_EvalFrameEx (in /usr/lib/libpython2.6.so.1.0)
==19973== by 0x4183B4E: PyEval_EvalFrameEx (in /usr/lib/libpython2.6.so.1.0)
==19973== by 0x418490F: PyEval_EvalCodeEx (in /usr/lib/libpython2.6.so.1.0)
==19973== by 0x4184A72: PyEval_EvalCode (in /usr/lib/libpython2.6.so.1.0)
==19973== by 0x4196D5C: PyImport_ExecCodeModuleEx (in
/usr/lib/libpython2.6.so.1.0)
==19973== Address 0x82ea90c is not stack'd, malloc'd or (recently) free'd
--
Summary: reloading Python convenience function segfaults with
invalid free
Product: gdb
Version: archer
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: python
AssignedTo: unassigned at sourceware dot org
ReportedBy: jason dot orendorff at gmail dot com
CC: gdb-prs at sourceware dot org
http://sourceware.org/bugzilla/show_bug.cgi?id=10666
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* [Bug python/10666] reloading Python convenience function segfaults with invalid free
2009-09-19 10:04 [Bug python/10666] New: reloading Python convenience function segfaults with invalid free jason dot orendorff at gmail dot com
@ 2009-09-19 10:27 ` jason dot orendorff at gmail dot com
2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: jason dot orendorff at gmail dot com @ 2009-09-19 10:27 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From jason dot orendorff at gmail dot com 2009-09-19 10:27 -------
Created an attachment (id=4217)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4217&action=view)
fix
This fixes it.
Serves me right for not having a docstring. :-P
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10666
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* [Bug python/10666] reloading Python convenience function segfaults with invalid free
2009-09-19 10:04 [Bug python/10666] New: reloading Python convenience function segfaults with invalid free jason dot orendorff at gmail dot com
2009-09-19 10:27 ` [Bug python/10666] " jason dot orendorff at gmail dot com
2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
@ 2009-09-21 16:19 ` tromey at redhat dot com
2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: tromey at redhat dot com @ 2009-09-21 16:19 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From tromey at redhat dot com 2009-09-21 16:19 -------
I've checked in the fix.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |FIXED
Target Milestone|6.8 |6.9
http://sourceware.org/bugzilla/show_bug.cgi?id=10666
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* [Bug python/10666] reloading Python convenience function segfaults with invalid free
2009-09-19 10:04 [Bug python/10666] New: reloading Python convenience function segfaults with invalid free jason dot orendorff at gmail dot com
` (2 preceding siblings ...)
2009-09-21 16:19 ` tromey at redhat dot com
@ 2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2009-09-21 16:19 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2009-09-21 16:19 -------
Subject: Bug 10666
CVSROOT: /cvs/src
Module name: src
Branch: gdb_7_0-branch
Changes by: tromey@sourceware.org 2009-09-21 16:19:17
Modified files:
gdb : ChangeLog
gdb/python : py-function.c
Log message:
2009-09-21 Jason Orendorff <jason.orendorff@gmail.com>
PR python/10666:
* python/py-function.c (fnpy_init): Use xstrdup.
Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&only_with_tag=gdb_7_0-branch&r1=1.10874.2.14&r2=1.10874.2.15
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/python/py-function.c.diff?cvsroot=src&only_with_tag=gdb_7_0-branch&r1=1.1&r2=1.1.2.1
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10666
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* [Bug python/10666] reloading Python convenience function segfaults with invalid free
2009-09-19 10:04 [Bug python/10666] New: reloading Python convenience function segfaults with invalid free jason dot orendorff at gmail dot com
2009-09-19 10:27 ` [Bug python/10666] " jason dot orendorff at gmail dot com
@ 2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
2009-09-21 16:19 ` tromey at redhat dot com
2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2009-09-21 16:19 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2009-09-21 16:19 -------
Subject: Bug 10666
CVSROOT: /cvs/src
Module name: src
Changes by: tromey@sourceware.org 2009-09-21 16:18:42
Modified files:
gdb : ChangeLog
gdb/python : py-function.c
Log message:
2009-09-21 Jason Orendorff <jason.orendorff@gmail.com>
PR python/10666:
* python/py-function.c (fnpy_init): Use xstrdup.
Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.10892&r2=1.10893
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/python/py-function.c.diff?cvsroot=src&r1=1.1&r2=1.2
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10666
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end of thread, other threads:[~2009-09-21 16:19 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-09-19 10:04 [Bug python/10666] New: reloading Python convenience function segfaults with invalid free jason dot orendorff at gmail dot com
2009-09-19 10:27 ` [Bug python/10666] " jason dot orendorff at gmail dot com
2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
2009-09-21 16:19 ` tromey at redhat dot com
2009-09-21 16:19 ` cvs-commit at gcc dot gnu dot org
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