Segfault while operating on closed sqlite3 cursor. #46767
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release-blockerstdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytype-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump
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| BPO | 2515 |
|---|---|
| Files |
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GitHub fields:
assignee = None
closed_at = <Date 2008-04-06.11:06:51.476>
created_at = <Date 2008-03-30.16:43:43.782>
labels = ['library', 'type-crash', 'release-blocker']
title = 'Segfault while operating on closed sqlite3 cursor.'
updated_at = <Date 2008-04-06.18:17:36.471>
user = 'https://bugs.python.org/pjdavis'bugs.python.org fields:
activity = <Date 2008-04-06.18:17:36.471>
actor = 'pjdavis'
assignee = 'ghaering'
closed = True
closed_date = <Date 2008-04-06.11:06:51.476>
closer = 'ghaering'
components = ['Library (Lib)']
creation = <Date 2008-03-30.16:43:43.782>
creator = 'pjdavis'
dependencies = []
files = ['9903']
hgrepos = []
issue_num = 2515
keywords = []
message_count = 5.0
messages = ['64753', '64792', '64958', '65030', '65048']
nosy_count = 4.0
nosy_names = ['nnorwitz', 'ghaering', 'schmir', 'pjdavis']
pr_nums = []
priority = 'release blocker'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue2515'
versions = ['Python 2.5']Reactions are currently unavailable
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release-blockerstdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytype-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump
Activity
pjdavis commentedon Mar 30, 2008
Replicated on:
#Ubuntu 7.0
Python 2.5.1 (r251:54863, Mar 7 2008, 03:39:23)
[GCC 4.1.3 2007092 (prerelease) (Ubuntu 4.1.2-16ubuntu2)] on linux2
#OS 10.4.11
Python 2.5.1 (r251:54863, Oct 26 2007, 16:52:32)
[GCC 4.0.1 (Apple Computer, Inc. build 5367)] on darwin
#OS 10.5.2
Python 2.5.1 (r251:54863, Jan 17 2008, 19:35:17)
[GCC 4.0.1 (Apple Inc. build 5465)] on darwin
schmir commentedon Mar 31, 2008
this works with python 2.6.
for python 2.5.1 I get the following gdb backtrace:
(gdb) bt
#0 0x00002b0d95118e2d in cursor_iternext (self=0x2b0d93bae870)
at /root/src/Python-2.5.1/Modules/_sqlite/cursor.c:854
#1 0x00002b0d93dd1769 in wrap_next (self=0x2b0d94085b50,
args=0x2b0d93b5f468,
wrapped=0x2b0d95118d90) at Objects/typeobject.c:3897
#2 0x00002b0d93d7e0e3 in PyObject_Call (func=0x2b0d94085b50,
arg=0x2b0d93b5f468, kw=0x2b0d95118d90) at Objects/abstract.c:1860
#3 0x00002b0d93df9549 in PyEval_EvalFrameEx (f=0x664430,
throwflag=<value optimized out>) at Python/ceval.c:3775
#4 0x00002b0d93dfe308 in PyEval_EvalCodeEx (co=0x2b0d93ba8300,
globals=<value optimized out>, locals=<value optimized out>, args=0x0,
argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0)
at Python/ceval.c:2831
#5 0x00002b0d93dfe422 in PyEval_EvalCode (co=0x2b0d94085b50,
globals=0x2b0d93b5f468, locals=0x2b0d95118d90) at Python/ceval.c:494
#6 0x00002b0d93e20f01 in PyRun_FileExFlags (fp=0x601010,
filename=0x7fff16f87a77 "sqlite_segfault.py", start=<value optimized
out>,
globals=0x6246d0, locals=0x6246d0, closeit=1, flags=0x7fff16f86600)
at Python/pythonrun.c:1271
#7 0x00002b0d93e2119b in PyRun_SimpleFileExFlags (fp=0x601010,
filename=0x7fff16f87a77 "sqlite_segfault.py", closeit=1,
flags=0x7fff16f86600) at Python/pythonrun.c:877
#8 0x00002b0d93e29f2a in Py_Main (argc=<value optimized out>,
argv=<value optimized out>) at Modules/main.c:523
nnorwitz commentedon Apr 5, 2008
Gerhard, could you take a look?
ghaering commentedon Apr 6, 2008
Thanks for reporting this. It's fixed in r62183 in the 2.5 maintenance
branch.
pjdavis commentedon Apr 6, 2008
No prob.
On Sun, Apr 6, 2008 at 7:06 AM, Gerhard Häring <report@bugs.python.org> wrote: