[issue14752] Memleak in typeobject add_methods()
New submission from Damien Cassou : In add_methods() function from typeobject.c, it looks like Py_DECREF is not called where it should be. Please find attached a patch that fixes the leak. The patch is also in commit #85a01718b3e3 of my hg repository under the branch fix_add_methods_leak. This bug has been found using Coccinelle (http://coccinelle.lip6.fr/) and a dedicated semantic patch (https://gist.github.com/2634899). -- components: Interpreter Core files: fix_add_methods_leak.patch hgrepos: 122 keywords: patch messages: 160203 nosy: cassou, lemburg, tim_one priority: normal severity: normal status: open title: Memleak in typeobject add_methods() type: resource usage versions: Python 3.4 Added file: http://bugs.python.org/file25495/fix_add_methods_leak.patch ___ Python tracker <http://bugs.python.org/issue14752> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue14754] Emacs configuration to enforce PEP7
New submission from Damien Cassou : Please find attached a patch that adds an emacs configuration file to enforce PEP7. The patch is also in commit #518f2af0a687 of my hg repository under the branch emacs-configuration. -- components: Demos and Tools files: emacs-configuration-pep7.patch hgrepos: 123 keywords: patch messages: 160208 nosy: cassou priority: normal severity: normal status: open title: Emacs configuration to enforce PEP7 versions: Python 3.4 Added file: http://bugs.python.org/file25498/emacs-configuration-pep7.patch ___ Python tracker <http://bugs.python.org/issue14754> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue14761] Memleak in import.c load_source_module()
New submission from Damien Cassou : In load_source_module() function from import.c, it looks like Py_DECREF is not called where it should be. Please find attached a patch that fixes the leak. This bug has been found using Coccinelle (http://coccinelle.lip6.fr/) using a semantic patch (similar to https://gist.github.com/2634899). -- components: Interpreter Core files: fix_load_source_module_leak.patch keywords: patch messages: 160262 nosy: benjamin.peterson, cassou, lemburg, tim_one priority: normal severity: normal status: open title: Memleak in import.c load_source_module() versions: Python 2.7 Added file: http://bugs.python.org/file25507/fix_load_source_module_leak.patch ___ Python tracker <http://bugs.python.org/issue14761> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue14761] Memleak in import.c load_source_module()
Damien Cassou added the comment: @pitrou I just checked Python-2.7.3 and the tip of the mercurial repository. It's not in the latter at least. -- ___ Python tracker <http://bugs.python.org/issue14761> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue14951] Daikon/KVasir report: Invalid read of size 4
New submission from Damien Cassou : Hi, I've just executed a dynamic program analyzer (kvasir frontend for daikon) on the python runtime with an hello world python input. I got a lot of errors (796 errors from 61 contexts), potentially showing bugs in cpython. The following presents one such errors. I can report more if the following is useful to anyone. Invalid read of size 4 at 0x459897: PyObject_Free (obmalloc.c:969) by 0x5133E5: PyGrammar_RemoveAccelerators (acceler.c:47) by 0x4DCD92: Py_Finalize (pythonrun.c:539) by 0x417946: Py_Main (main.c:664) by 0x416703: main (python.c:23) Address 0x6108020 is 256 bytes inside a block of size 676 free'd at 0x4C24242: free (vg_replace_malloc.c:366) by 0x459F3F: PyObject_Free (obmalloc.c:1166) by 0x51379F: fixstate (acceler.c:124) by 0x51344F: fixdfa (acceler.c:60) by 0x513369: PyGrammar_AddAccelerators (acceler.c:30) by 0x513C84: PyParser_New (parser.c:77) by 0x417D73: parsetok (parsetok.c:136) by 0x417D1B: PyParser_ParseFileFlagsEx (parsetok.c:106) by 0x4DF284: PyParser_ASTFromFile (pythonrun.c:1476) by 0x4CD570: parse_source_module (import.c:829) by 0x4CDB2A: load_source_module (import.c:1006) by 0x4CF05B: load_module (import.c:1822) -- components: Interpreter Core messages: 161872 nosy: cassou, haypo, lemburg, tim_one priority: normal severity: normal status: open title: Daikon/KVasir report: Invalid read of size 4 versions: Python 2.7 ___ Python tracker <http://bugs.python.org/issue14951> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue14951] Daikon/KVasir report: Invalid read of size 4
Damien Cassou added the comment: I didn't read the document before. Sorry about that. The document makes it clear that what I report is not an error. This report should be closed. -- status: open -> closed ___ Python tracker <http://bugs.python.org/issue14951> ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
