FYI, I have observed this crash on Linux64. Thanks. Best Regards, Muhammad Asif Naeem
On Thu, Apr 26, 2012 at 5:32 PM, Asif Naeem <asif.na...@enterprisedb.com>wrote: > Hi, > > PFA test case. It used simple select statement to retrieve data via > plpython. It crashes latest pg 9.2 with the following stack trace i.e. > > #0 0x000000000073021f in pfree () >> #1 0x00007fa74b632f7a in PLy_result_dealloc () from >> /home/masif/work/postgresql/postgresql/inst/lib/plpython2.so >> #2 0x00007fa74b2c710b in iter_iternext (iterator=0x1ad7150) at >> Objects/iterobject.c:74 >> #3 0x00007fa74b2934db in PyIter_Next (iter=0x1b3c5f0) at >> Objects/abstract.c:3107 >> #4 0x00007fa74b630245 in PLy_exec_function () from >> /home/masif/work/postgresql/postgresql/inst/lib/plpython2.so >> #5 0x00007fa74b630c57 in plpython_call_handler () from >> /home/masif/work/postgresql/postgresql/inst/lib/plpython2.so >> #6 0x0000000000583907 in ExecMakeFunctionResult () >> #7 0x000000000057f146 in ExecProject () >> #8 0x0000000000596740 in ExecResult () >> #9 0x000000000057e708 in ExecProcNode () >> #10 0x000000000057d582 in standard_ExecutorRun () >> #11 0x000000000064f477 in PortalRunSelect () >> #12 0x0000000000650778 in PortalRun () >> #13 0x000000000064ceca in exec_simple_query () >> #14 0x000000000064ddc7 in PostgresMain () >> #15 0x000000000060bdd9 in ServerLoop () >> #16 0x000000000060e9d7 in PostmasterMain () >> #17 0x00000000005ad360 in main () > > > Apparently it is being crashed because of invalid related pointer value of > pfree() *header->context->methods->free_p. It is reproducible with latest > version of python i.e. Python-2.7.3 and Python-3.2.3. Thanks. > > Best Regards, > Muhammad Asif Naeem >
