2149304 - Infected with Signal 11 (SIGSEGV) in stu_hist_to_dv - ASE

• Client running update statistics with "HASHING" unexpectedly disconnected.
• ASE Errorlog contains an Infected with Signal 11 (SIGSEGV) error with the following stacktrace:

kernel  Current process (0x8f0048) infected with signal 11 (SIGSEGV)
kernel  Address 0x0x00000000013cef75 (stu_hist_to_dv+0x51), siginfo (code, address) = (1, 0x0x0000001f20202020)

<snip>

server SQL Text: insert #temp_books select idb, idbo, nmb,le,prtf, idbsk, 'XXX' from #tmp
kernel curdb = 11 tempdb = 2 pstat = 0x10000 p2stat = 0x101000
kernel p3stat = 0x800 p4stat = 0x0 p5stat = 0x8 p6stat = 0x11 p7stat = 0x10000

<snip>

kernel pc: 0x000000000141f40a stu_get_hist_key_info+0x21()
kernel pc: 0x000000000141f40a stu_nosort_create_hist_high_domain+0x4d1()
kernel pc: 0x0000000001420e7f stu_nosort_merge_hist+0x225()
kernel pc: 0x00000000014214d7 stu_nosort_range+0x3c5()
kernel pc: 0x00000000013cd0dc ups_nosort_create_hist+0x7a()
kernel pc: 0x00000000013c6c7f stat_nosort_tabscan_end+0x3f()
kernel pc: 0x00000000013bef79 stat_ins_worktable+0x36f()
kernel pc: 0x00000000013c0d32 update_statistics_col_hash+0x5d2()
kernel pc: 0x00000000013c1281 update_statistics_colset_driver+0x459()
kernel pc: 0x00000000013bbdc5 ups__updstats_column+0x1c1()
kernel pc: 0x00000000013bb16a update_statistics+0x4a8()
kernel pc: 0x00000000013bbb44 update_statistics_implicit+0x81d()
kernel pc: 0x0000000000fdccd4 stio_mem_upd_stats+0x2f0()
kernel pc: 0x0000000000fd2a87 st_readstatistics+0x527()
kernel pc: 0x0000000000fd8a8e st_getstats+0x26e()
kernel pc: 0x0000000000f99377 qry_init_stats+0xb7()
kernel pc: 0x0000000000fd9d0b st_readallstats+0xcb()
kernel pc: 0x00000000009b7277 StCtlgAPIMgr::StCtlgCopyStats(OptBlock*, GttTable*, sdes*)+0xc7()
kernel pc: 0x000000000089473e GttTable::GttUsefulIndex(OptBlock*, int*)+0x12e()
kernel pc: 0x00000000008991ed GtsState::GtsGetReplDegreeForReadCursor()+0xfbd()
kernel pc: 0x000000000088ca4e GtsState::GtsInitIndex(int*)+0x3e()
kernel pc: 0x00000000009e565d OptBlock::OptPhase1cInit(int*)+0x1d()
kernel pc: 0x0000000000864082 OptGlobal::OptGlobal(Node<Lop>*, tree*, OptPool*)+0x1e90()
kernel pc: 0x0000000000863ffb OptGlobal::OptGlobal(Node<Lop>*, tree*, OptPool*)+0x1e09()
kernel end of stack trace

SAP Adaptive Server Enterprise (ASE) 15.7

KBA , memory corruption , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed