Issue20929
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Created on 2014-03-15 00:21 by Jeffrey.Walton, last changed 2022-04-11 14:58 by admin. This issue is now closed.
Files | ||||
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File name | Uploaded | Description | Edit | |
python-3-4-make.txt | Jeffrey.Walton, 2014-03-15 00:21 | Results of 'make' with Clang's undefined behavior sanitizer. | ||
python-3-4-make-test.txt | Jeffrey.Walton, 2014-03-15 00:39 | Results of 'make test' with Clang's undefined behavior sanitizer. |
Messages (14) | |||
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msg213604 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 00:21 | |
Downloaded Python-3.4.0rc3. Compiled with Clang 3.4, added -fsanitzie=undefined to CFLAGS. Ran 'make' and 'make check'. Lots of issues, many are duplicates (see below). One or more of these issues might be the reason for `-fwrapv`. This fellow from objimpl.h seems to be the source of many of the issues: #define _Py_AS_GC(o) ((PyGC_Head *)(o)-1) ***** Modules/gcmodule.c:1718:5: runtime error: left shift of negative value -2 Objects/tupleobject.c:120:5: runtime error: left shift of negative value -3 Objects/typeobject.c:905:9: runtime error: left shift of negative value -3 Objects/dictobject.c:818:5: runtime error: left shift of negative value -3 Objects/methodobject.c:45:5: runtime error: left shift of negative value -3 Objects/listobject.c:178:5: runtime error: left shift of negative value -3 Modules/gcmodule.c:1703:9: runtime error: left shift of negative value -2 Modules/gcmodule.c:1693:5: runtime error: left shift of negative value -3 Objects/descrobject.c:9:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:484:13: runtime error: left shift of negative value -3 Objects/tupleobject.c:195:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:503:13: runtime error: left shift of negative value -4 Objects/exceptions.c:2205:5: runtime error: left shift of negative value -2 Objects/longobject.c:40:42: runtime error: index -3 out of bounds for type 'PyLongObject [262]' Objects/frameobject.c:736:5: runtime error: left shift of negative value -3 Objects/funcobject.c:64:5: runtime error: left shift of negative value -3 Objects/methodobject.c:149:5: runtime error: left shift of negative value -2 Objects/funcobject.c:552:5: runtime error: left shift of negative value -2 Objects/descrobject.c:1364:5: runtime error: left shift of negative value -2 Objects/cellobject.c:16:5: runtime error: left shift of negative value -3 Objects/listobject.c:2744:5: runtime error: left shift of negative value -3 Objects/listobject.c:2751:5: runtime error: left shift of negative value -2 Objects/dictobject.c:3232:5: runtime error: left shift of negative value -3 Objects/dictobject.c:2826:5: runtime error: left shift of negative value -3 Objects/exceptions.c:89:5: runtime error: left shift of negative value -2 Objects/classobject.c:68:5: runtime error: left shift of negative value -3 Objects/classobject.c:193:5: runtime error: left shift of negative value -2 Objects/tupleobject.c:1079:5: runtime error: left shift of negative value -3 Objects/genobject.c:526:5: runtime error: left shift of negative value -3 Objects/tupleobject.c:948:5: runtime error: left shift of negative value -2 Objects/genobject.c:48:5: runtime error: left shift of negative value -2 Objects/genobject.c:53:5: runtime error: left shift of negative value -3 Objects/genobject.c:58:5: runtime error: left shift of negative value -2 Objects/cellobject.c:49:5: runtime error: left shift of negative value -2 Objects/typeobject.c:1170:9: runtime error: left shift of negative value -3 Objects/exceptions.c:662:5: runtime error: left shift of negative value -2 Objects/exceptions.c:1010:5: runtime error: left shift of negative value -2 Objects/exceptions.c:513:5: runtime error: left shift of negative value -2 ./Modules/_io/fileio.c:479:5: runtime error: left shift of negative value -2 Objects/setobject.c:944:5: runtime error: left shift of negative value -3 Objects/unicodeobject.c:15267:5: runtime error: left shift of negative value -3 Objects/unicodeobject.c:15128:5: runtime error: left shift of negative value -2 Objects/typeobject.c:6720:5: runtime error: left shift of negative value -2 Objects/bytesobject.c:3006:5: runtime error: left shift of negative value -3 Objects/bytesobject.c:2869:5: runtime error: left shift of negative value -2 Objects/bytearrayobject.c:3094:5: runtime error: left shift of negative value -3 Objects/bytearrayobject.c:2959:5: runtime error: left shift of negative value -2 Objects/descrobject.c:1001:9: runtime error: left shift of negative value -3 Objects/descrobject.c:873:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:861:13: runtime error: left shift of negative value -3 Objects/typeobject.c:2865:5: runtime error: left shift of negative value -2 Objects/dictobject.c:2643:9: runtime error: left shift of negative value -2 Objects/descrobject.c:943:5: runtime error: left shift of negative value -3 Objects/iterobject.c:26:5: runtime error: left shift of negative value -3 Objects/iterobject.c:33:5: runtime error: left shift of negative value -2 Objects/memoryobject.c:74:5: runtime error: left shift of negative value -3 Objects/memoryobject.c:639:5: runtime error: left shift of negative value -3 Objects/memoryobject.c:1060:5: runtime error: left shift of negative value -2 Objects/memoryobject.c:108:5: runtime error: left shift of negative value -2 ./Modules/_io/bufferedio.c:402:5: runtime error: left shift of negative value -2 ./Modules/_io/textio.c:1156:5: runtime error: left shift of negative value -2 Objects/descrobject.c:1262:9: runtime error: left shift of negative value -3 Objects/listobject.c:2046:22: runtime error: index 623 out of bounds for type 'PyObject *[256]' Objects/dictobject.c:756:5: runtime error: left shift of negative value -2 Objects/funcobject.c:907:5: runtime error: left shift of negative value -2 Objects/funcobject.c:726:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:1718:5: runtime error: left shift of negative value -2 Objects/tupleobject.c:120:5: runtime error: left shift of negative value -3 Objects/typeobject.c:905:9: runtime error: left shift of negative value -3 Objects/dictobject.c:818:5: runtime error: left shift of negative value -3 Objects/methodobject.c:45:5: runtime error: left shift of negative value -3 Objects/listobject.c:178:5: runtime error: left shift of negative value -3 Modules/gcmodule.c:1703:9: runtime error: left shift of negative value -2 Modules/gcmodule.c:1693:5: runtime error: left shift of negative value -3 Objects/descrobject.c:9:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:484:13: runtime error: left shift of negative value -3 Objects/tupleobject.c:195:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:503:13: runtime error: left shift of negative value -4 Objects/exceptions.c:2205:5: runtime error: left shift of negative value -2 Objects/longobject.c:40:42: runtime error: index -3 out of bounds for type 'PyLongObject [262]' Objects/frameobject.c:736:5: runtime error: left shift of negative value -3 Objects/funcobject.c:64:5: runtime error: left shift of negative value -3 Objects/methodobject.c:149:5: runtime error: left shift of negative value -2 Objects/funcobject.c:552:5: runtime error: left shift of negative value -2 Objects/descrobject.c:1364:5: runtime error: left shift of negative value -2 Objects/cellobject.c:16:5: runtime error: left shift of negative value -3 Objects/listobject.c:2744:5: runtime error: left shift of negative value -3 Objects/listobject.c:2751:5: runtime error: left shift of negative value -2 Objects/dictobject.c:3232:5: runtime error: left shift of negative value -3 Objects/dictobject.c:2826:5: runtime error: left shift of negative value -3 Objects/exceptions.c:89:5: runtime error: left shift of negative value -2 Objects/classobject.c:68:5: runtime error: left shift of negative value -3 Objects/classobject.c:193:5: runtime error: left shift of negative value -2 Objects/tupleobject.c:1079:5: runtime error: left shift of negative value -3 Objects/genobject.c:526:5: runtime error: left shift of negative value -3 Objects/tupleobject.c:948:5: runtime error: left shift of negative value -2 Objects/genobject.c:48:5: runtime error: left shift of negative value -2 Objects/genobject.c:53:5: runtime error: left shift of negative value -3 Objects/genobject.c:58:5: runtime error: left shift of negative value -2 Objects/cellobject.c:49:5: runtime error: left shift of negative value -2 Objects/typeobject.c:1170:9: runtime error: left shift of negative value -3 Objects/exceptions.c:662:5: runtime error: left shift of negative value -2 Objects/exceptions.c:1010:5: runtime error: left shift of negative value -2 Objects/exceptions.c:513:5: runtime error: left shift of negative value -2 ./Modules/_io/fileio.c:479:5: runtime error: left shift of negative value -2 Objects/unicodeobject.c:15267:5: runtime error: left shift of negative value -3 Objects/unicodeobject.c:15128:5: runtime error: left shift of negative value -2 Objects/typeobject.c:6720:5: runtime error: left shift of negative value -2 Objects/setobject.c:944:5: runtime error: left shift of negative value -3 Objects/bytesobject.c:3006:5: runtime error: left shift of negative value -3 Objects/bytesobject.c:2869:5: runtime error: left shift of negative value -2 Objects/bytearrayobject.c:3094:5: runtime error: left shift of negative value -3 Objects/bytearrayobject.c:2959:5: runtime error: left shift of negative value -2 Objects/descrobject.c:1001:9: runtime error: left shift of negative value -3 Objects/descrobject.c:873:5: runtime error: left shift of negative value -2 Modules/gcmodule.c:861:13: runtime error: left shift of negative value -3 Objects/typeobject.c:2865:5: runtime error: left shift of negative value -2 Objects/iterobject.c:26:5: runtime error: left shift of negative value -3 Objects/iterobject.c:33:5: runtime error: left shift of negative value -2 Objects/dictobject.c:2643:9: runtime error: left shift of negative value -2 Objects/descrobject.c:1262:9: runtime error: left shift of negative value -3 Objects/memoryobject.c:74:5: runtime error: left shift of negative value -3 Objects/memoryobject.c:639:5: runtime error: left shift of negative value -3 running build Objects/memoryobject.c:1060:5: runtime error: left shift of negative value -2 Objects/memoryobject.c:108:5: runtime error: left shift of negative value -2 running build_ext ./Modules/_io/bufferedio.c:402:5: runtime error: left shift of negative value -2 ./Modules/_io/textio.c:1156:5: runtime error: left shift of negative value -2 INFO: Can't locate Tcl/Tk libs and/or headers Objects/tupleobject.c:878:9: runtime error: left shift of negative value -2 Objects/tupleobject.c:896:5: runtime error: left shift of negative value -3 |
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msg213607 - (view) | Author: Roundup Robot (python-dev) ![]() |
Date: 2014-03-15 01:15 | |
New changeset e68f156ea0e6 by Benjamin Peterson in branch 'default': cast negative numbers to size_t before shifting them (#20929) http://hg.python.org/cpython/rev/e68f156ea0e6 |
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msg213608 - (view) | Author: Benjamin Peterson (benjamin.peterson) * ![]() |
Date: 2014-03-15 01:16 | |
Thanks for the report. Could you check if the current "default" branch of mercurial fixes the problems? |
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msg213616 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 01:58 | |
> Could you check if the current "default" branch of mercurial fixes the problems? Checkout is complete. Working through a build now. Could you look at http://bugs.python.org/issue20930 and advise on the best way to proceed? |
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msg213618 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 02:08 | |
The big list of issues earlier has been parred down to the following after `make`: Objects/longobject.c:40:42: runtime error: index -3 out of bounds for type 'PyLongObject [262]' Objects/listobject.c:2046:22: runtime error: index 623 out of bounds for type 'PyObject *[256]' Objects/longobject.c:40:42: runtime error: index -3 out of bounds for type 'PyLongObject [262]' `make test` still needs to be run. I'm going to open another bug report since this is a different branch. Is that OK? |
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msg213619 - (view) | Author: Benjamin Peterson (benjamin.peterson) * ![]() |
Date: 2014-03-15 02:10 | |
What branch are you building now? |
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msg213621 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 02:27 | |
> What branch are you building now? Python 3.5 from `hg clone http://hg.python.org/cpython`. |
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msg213622 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 02:28 | |
Updated title to reflect Python 3.4-RC3. |
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msg213623 - (view) | Author: Benjamin Peterson (benjamin.peterson) * ![]() |
Date: 2014-03-15 02:28 | |
Well, that's 3.4.1 atm. |
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msg213624 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 02:31 | |
> Well, that's 3.4.1 atm. My bad. I managed to download a file named Python-3.4.0rc3.tgz this morning (the tarball is still in my downloads). I'm not sure from where since http://www.python.org/download/ does not have it.... |
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msg213626 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 02:39 | |
Also see http://bugs.python.org/issue20932. |
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msg213627 - (view) | Author: Benjamin Peterson (benjamin.peterson) * ![]() |
Date: 2014-03-15 02:56 | |
Okay, I think I fixed those bugs too on default. |
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msg213636 - (view) | Author: Jeffrey Walton (Jeffrey.Walton) * | Date: 2014-03-15 04:37 | |
On Fri, Mar 14, 2014 at 10:28 PM, Benjamin Peterson <report@bugs.python.org> wrote: > > Benjamin Peterson added the comment: > > Well, that's 3.4.1 atm. > Here's why I got that stale version: https://www.google.com/search?q=download+python+3.4. The first hit is RC3. |
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msg213637 - (view) | Author: Benjamin Peterson (benjamin.peterson) * ![]() |
Date: 2014-03-15 04:38 | |
That's indeed the latest release, but the default branch will become 3.4.1. |
History | |||
---|---|---|---|
Date | User | Action | Args |
2022-04-11 14:58:00 | admin | set | github: 65128 |
2014-03-17 14:00:43 | zach.ware | link | issue20958 superseder |
2014-03-15 04:38:17 | benjamin.peterson | set | messages: + msg213637 |
2014-03-15 04:37:14 | Jeffrey.Walton | set | messages: + msg213636 |
2014-03-15 03:20:21 | benjamin.peterson | set | status: open -> closed resolution: fixed |
2014-03-15 02:56:21 | benjamin.peterson | set | messages: + msg213627 |
2014-03-15 02:39:44 | Jeffrey.Walton | set | messages: + msg213626 |
2014-03-15 02:31:10 | Jeffrey.Walton | set | messages: + msg213624 |
2014-03-15 02:28:30 | benjamin.peterson | set | messages: + msg213623 |
2014-03-15 02:28:06 | Jeffrey.Walton | set | messages:
+ msg213622 title: Undefined behavior flagged by Clang 3.4 -> Undefined behavior flagged by Clang 3.4 (Python 3.4-RC3) |
2014-03-15 02:27:20 | Jeffrey.Walton | set | messages: + msg213621 |
2014-03-15 02:10:46 | benjamin.peterson | set | messages: + msg213619 |
2014-03-15 02:08:44 | Jeffrey.Walton | set | messages: + msg213618 |
2014-03-15 01:58:14 | Jeffrey.Walton | set | messages: + msg213616 |
2014-03-15 01:16:07 | benjamin.peterson | set | nosy:
+ benjamin.peterson messages: + msg213608 |
2014-03-15 01:15:43 | python-dev | set | nosy:
+ python-dev messages: + msg213607 |
2014-03-15 00:39:37 | Jeffrey.Walton | set | files: + python-3-4-make-test.txt |
2014-03-15 00:21:50 | Jeffrey.Walton | create |