Please review the attached patch,
==19533== Conditional jump or move depends on uninitialised value(s)
==19533== at 0x140DAB78: component_select (osc_sm_component.c:352)
==19533== by 0xD9BA0B2: ompi_osc_base_select (osc_base_init.c:73)
==19533== by 0xD9314C1: ompi_win_allocate (win.c:182)
==19533== by 0xD982C4E: PMPI_Win_allocate (pwin_allocate.c:79)
==19533== by 0xD628887: __pyx_pw_6mpi4py_3MPI_3Win_11Allocate
(mpi4py.MPI.c:109170)
==19533== by 0x38442E0BD3: PyEval_EvalFrameEx (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442E21EC: PyEval_EvalCodeEx (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442E22F1: PyEval_EvalCode (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F20DB: PyImport_ExecCodeModuleEx (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F2357: ??? (in /usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F2FF0: ??? (in /usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F323C: ??? (in /usr/lib64/libpython2.7.so.1.0)
==19533==
==19533== Conditional jump or move depends on uninitialised value(s)
==19533== at 0x140DAB78: component_select (osc_sm_component.c:352)
==19533== by 0xD9BA0B2: ompi_osc_base_select (osc_base_init.c:73)
==19533== by 0xD93174D: ompi_win_allocate_shared (win.c:213)
==19533== by 0xD982FD0: PMPI_Win_allocate_shared (pwin_allocate_shared.c:80)
==19533== by 0xD62C727:
__pyx_pw_6mpi4py_3MPI_3Win_13Allocate_shared (mpi4py.MPI.c:109409)
==19533== by 0x38442E0BD3: PyEval_EvalFrameEx (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442E21EC: PyEval_EvalCodeEx (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442E22F1: PyEval_EvalCode (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F20DB: PyImport_ExecCodeModuleEx (in
/usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F2357: ??? (in /usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F2FF0: ??? (in /usr/lib64/libpython2.7.so.1.0)
==19533== by 0x38442F323C: ??? (in /usr/lib64/libpython2.7.so.1.0)
--
Lisandro Dalcin
---------------
CIMEC (UNL/CONICET)
Predio CONICET-Santa Fe
Colectora RN 168 Km 472, Paraje El Pozo
3000 Santa Fe, Argentina
Tel: +54-342-4511594 (ext 1016)
Tel/Fax: +54-342-4511169
diff -up ompi/mca/osc/sm/osc_sm_component.c.orig
ompi/mca/osc/sm/osc_sm_component.c
--- ompi/mca/osc/sm/osc_sm_component.c.orig 2014-04-24 10:28:58.790702380
+0300
+++ ompi/mca/osc/sm/osc_sm_component.c 2014-04-24 10:30:15.138137733 +0300
@@ -341,7 +341,7 @@ component_select(struct ompi_win_t *win,
#if HAVE_PTHREAD_CONDATTR_SETPSHARED && HAVE_PTHREAD_MUTEXATTR_SETPSHARED
pthread_mutexattr_t mattr;
pthread_condattr_t cattr;
- bool blocking_fence;
+ bool blocking_fence = false;
int flag;
if (OMPI_SUCCESS != ompi_info_get_bool(info, "blocking_fence",
@@ -349,7 +349,7 @@ component_select(struct ompi_win_t *win,
goto error;
}
- if (blocking_fence) {
+ if (flag && blocking_fence) {
ret = pthread_mutexattr_init(&mattr);
ret = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
if (ret != 0) {
