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Created on 2014-06-02 13:52 by Claudiu.Popa, last changed 2022-04-11 14:58 by admin. This issue is now closed.
| Files | ||||
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| File name | Uploaded | Description | Edit | |
| tracemalloc.patch | Claudiu.Popa, 2014-06-02 13:52 | review | ||
| Messages (3) | |||
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| msg219587 - (view) | Author: PCManticore (Claudiu.Popa) *  |
Date: 2014-06-02 13:52 | |
Given the following code, tracemalloc crashes with: "Floating point exception: 8 (core dumped)" import tracemalloc tracemalloc.start(10) import io io.StringIO() The culprit is this line "assert(nelem <= PY_SIZE_MAX / elsize);" from tracemalloc_alloc. elsize is 0 from stringio.c, "self->buf = (Py_UCS4 *)PyMem_Malloc(0);". The attached patch skips the assert if elsize is 0, but I don't know if this is the right approach. Thanks! |
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| msg219623 - (view) | Author: Roundup Robot (python-dev) |
Date: 2014-06-02 19:41 | |
New changeset d87ede8da3c8 by Victor Stinner in branch '3.4': Issue #21639: Fix name of _testcapi test functions http://hg.python.org/cpython/rev/d87ede8da3c8 New changeset 7083634065c9 by Victor Stinner in branch 'default': (Merge 3.4) Issue #21639: Fix name of _testcapi test functions http://hg.python.org/cpython/rev/7083634065c9 New changeset 6f362a702242 by Victor Stinner in branch '3.4': Issue #21639: Add a test to check that PyMem_Malloc(0) with tracemalloc enabled http://hg.python.org/cpython/rev/6f362a702242 New changeset 1505124c0df4 by Victor Stinner in branch 'default': Issue #21639: Fix a division by zero in tracemalloc on calloc(0, 0). The http://hg.python.org/cpython/rev/1505124c0df4 |
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| msg219624 - (view) | Author: STINNER Victor (vstinner) *  |
Date: 2014-06-02 19:42 | |
Thanks for the report, it should now be fixed. The crash is a regression introduced by the issue #21233. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:58:04 | admin | set | github: 65838 |
| 2014-06-02 23:33:48 | jcea | set | nosy:
+ jcea |
| 2014-06-02 19:42:28 | vstinner | set | status: open -> closed resolution: fixed messages: + msg219624 |
| 2014-06-02 19:41:01 | python-dev | set | nosy:
+ python-dev messages: + msg219623 |
| 2014-06-02 13:52:03 | Claudiu.Popa | create | |