postgres.git / summary / log / commit / refs

commit    7bc59f7cec26e16ee087bb0a9ab39c70af2f59d7
Author:   Peter Eisentraut <peter_e@gmx.net>
Date:     Wed Aug 25 19:37:52 2010 +0000

    Catch null pointer returns from PyCObject_AsVoidPtr and PyCObject_FromVoidPtr
    
    This is reproducibly possible in Python 2.7 if the user turned
    PendingDeprecationWarning into an error, but it's theoretically also possible
    in earlier versions in case of exceptional conditions.
    
    backpatched to 8.0


src/pl/plpython/plpython.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/pl/plpython/plpython.c b/src/pl/plpython/plpython.c index e1a976ec6e5..e7e5ded1200 100644 --- a/src/pl/plpython/plpython.c +++ b/src/pl/plpython/plpython.c @@ -1,7 +1,7 @@ /********************************************************************** * plpython.c - python as a procedural language for PostgreSQL * - * $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.148 2010/07/08 19:00:11 tgl Exp $ + * $PostgreSQL: pgsql/src/pl/plpython/plpython.c,v 1.148.2.1 2010/08/25 19:37:52 petere Exp $ * ********************************************************************* */ @@ -1315,6 +1315,8 @@ PLy_procedure_get(FunctionCallInfo fcinfo, Oid tgreloid) elog(FATAL, "expected a PyCObject, didn't get one"); proc = PyCObject_AsVoidPtr(plproc); + if (!proc) + PLy_elog(ERROR, "PyCObject_AsVoidPtr() failed"); if (proc->me != plproc) elog(FATAL, "proc->me != plproc"); /* did we find an up-to-date cache entry? */ @@ -1539,8 +1541,11 @@ PLy_procedure_create(HeapTuple procTup, Oid tgreloid, char *key) PLy_procedure_compile(proc, procSource); pfree(procSource); + procSource = NULL; proc->me = PyCObject_FromVoidPtr(proc, NULL); + if (!proc->me) + PLy_elog(ERROR, "PyCObject_FromVoidPtr() failed"); PyDict_SetItemString(PLy_procedure_cache, key, proc->me); } PG_CATCH(); [parent: a60d2000920d]