2573162 - Crash on temp bufman error and strace in s_blockmap::GetPhysicalBlocks - SAP IQ

SAP IQ could crash on temp bufman error and strace in s_blockmap::GetPhysicalBlocks

Excerpt of IQMSG

temp Bufman: Incorrect page header read; from slib/s_trycatch.cxx:2837
expected: btype=14,blk=50256787,pbn=50256787,nlb=16,npb=16,uid=9223372038528607881,txn=761975104,sp=312,mn=2,upmn=2,flgs=0x80000008,iscmp=0
read: btype=6154,nlb=2588,npb=40984,ctr=10,cta=24,pbn=729046623863704093,txn=12256557514552426520,sp=403361866,ver=32,pb=10,pus=57368 iscmp=0
Expected Pad1: 147 (0x93), Pad2: 42633 (0xa689)
Got Pad1: 10 (0x0a), Pad2: 57368 (0xe018)
There was an s_buf::Read() error during s_bufman::Find().
Failure on privileged blockmap ; _blockmap @ 0x7f5981b008c8
Blockmap Member Variables for 0x7f5981b008c8
From slib/s_dpidx.cxx:572

**************************************************
*** SAP IQ Abort:
*** From: stcxtlib/st_server.cxx:1925
*** PID: 29427
*** Message: caught signal 11, program abort
*** Thread: 140022238926592 (TID: 22)
**************************************************

s_blockmap::GetPhysicalBlocks
hs_dp::VisitBlockmaps
db_IndexDef::VisitBlockmaps
db_Catalog::GetPhysicalBlocksForTemporaryTable
db_Catalog::DropTable
db_droptable::Execute
st_command::DoCmdThroughResourceGate
db_iqddl::DropTable
UIQDDL_DropTable+0x1d
st_SAIQInterfaceInfo::callFunction
st_SAIQInterface::RunIQFunc
st_SAIQInterface::Execute
saint_iqthresholdddl::DropTable
Connection::drop_temp_tables
Connection::common_cleanup
Connection::close
db__disconnect

SAP IQ 16

CR#812167, CR 812167, 812167, drop, table, temp, s_blockmap::GetPhysicalBlocks, db_Catalog::GetPhysicalBlocksForTemporaryTable, db_Catalog::DropTable, db_iqddl::DropTable, Connection::drop_temp_tables , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed