2057593 - Stack trace in cri__empty_idxptn and ptn_get_aphintpage() -SAP ASE

issue with create index/reorg rebuild.
Signal 11 in ptn_get_aphintpage() while page allocation for index in creation.

When executing a CREATE INDEX or REORG REBUILD command, a stacktrace below may be reported in errorlog :

Current process (0x2ef01cf) infected with signal 11 (SIGSEGV)

ucstkgentrace+0x177()
ucbacktrace+0x12a()
terminate_process+0x11c2()
kisignal+0x38e()
ptn_get_aphintpage+0x23()
pg__allocate+0x1d7()
pg_allocate+0x61()
cri__empty_idxptn+0x1ef()
cri_bldemptyind+0x2e6()
01b816b0 ut_handle installe
cri_physbuild+0x645()
cri_bldindex+0xe43()
01b816b0 ut_handle installe
cri_main+0x9ee()
s_execute+0x73cf()

SAP Adaptive Server Enterprise (ASE) 15.7

cri__empty_idxptn, ptn_get_aphintpage() , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem