---
** [tickets:#1095] imm: imm can crash in saImmOiAugmentCcbInitialize**
**Status:** unassigned
**Milestone:** 4.3.3
**Created:** Tue Sep 16, 2014 01:26 PM UTC by Zoran Milinkovic
**Last Updated:** Tue Sep 16, 2014 01:26 PM UTC
**Owner:** nobody
In saImmOiAugmentCcbInitialize, if immsv_om_handle_initialize returns non
SA_AIS_OK, then "rc" value is converted in SA_AIS_ERR_TRY_AGAIN (cl_node ==
NULL)
In "done:" block, the call of imma_oi_ccb_record_augment may crash the library,
accessing fields in cl_node struct, which is NULL
cl_node = NULL; /* avoid unsafe use */
if(immsv_om_handle_initialize) {/*This is always the first
immsv_om_ call */
rc = immsv_om_handle_initialize(&privateOmHandle,
&version);
} else {
TRACE("ERR_LIBRARY: Error in library linkage.
libSaImmOm.so is not linked");
rc = SA_AIS_ERR_LIBRARY;
}
if(rc != SA_AIS_OK) {
TRACE("ERR_TRY_AGAIN: failed to obtain internal om
handle rc:%u", rc);
rc = SA_AIS_ERR_TRY_AGAIN;
goto done;
}
.....
done:
if (locked) {
m_NCS_UNLOCK(&cb->cb_lock, NCS_LOCK_WRITE);
}
if(rc == SA_AIS_OK || rc == SA_AIS_ERR_TRY_AGAIN) {
/* mark oi_ccb_record with privateOmHandle to avoid repeated
open/close
of private-om-handle for each try again or each ccb op. The
handle
is closed when the ccb is terminated (apply-uc or abort-uc).
*/
imma_oi_ccb_record_augment(cl_node, ccbId, privateOmHandle,
privateAoHandle);
.....
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