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[Bug python/10666] New: reloading Python convenience function segfaults with invalid free
- From: "jason dot orendorff at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: 19 Sep 2009 10:04:13 -0000
- Subject: [Bug python/10666] New: reloading Python convenience function segfaults with invalid free
- Reply-to: sourceware-bugzilla at sourceware dot org
# 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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