ಠ_ಠ On Sat, Dec 17, 2011 at 8:55 PM, Michael Mueller <[email protected]> wrote: > Hi Guys, > > We've been analyzing CPython with our static analysis tool (Sentry) > and a NULL pointer dereference popped up the other day, in > Objects/descrobject.c: > > if (descr != NULL) { > Py_XINCREF(type); > descr->d_type = type; > descr->d_name = PyUnicode_InternFromString(name); > if (descr->d_name == NULL) { > Py_DECREF(descr); > descr = NULL; > } > descr->d_qualname = NULL; // Possible NULL pointer dereference > } > > If the inner conditional block can be reached, descr will be set NULL > and then dereferenced on the next line. The commented line above was > added in this commit: http://hg.python.org/cpython/rev/73948#l4.92 > > Hopefully someone can take a look and determine the appropriate fix. > > Best, > Mike > > -- > Mike Mueller > Phone: (401) 405-1525 > Email: [email protected] > > http://www.vigilantsw.com/ > Static Analysis for C and C++ > _______________________________________________ > Python-Dev mailing list > [email protected] > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > http://mail.python.org/mailman/options/python-dev/anacrolix%40gmail.com
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