2016-04-14 10:49 GMT+02:00 Peter Geoghegan <p...@bowt.ie>: > On Thu, Apr 14, 2016 at 1:27 AM, Pavel Stehule <pavel.steh...@gmail.com> > wrote: > > (gdb) bt > > #0 heap_deform_tuple (tuple=tuple@entry=0x1d87e90, > > tupleDesc=tupleDesc@entry=0x7f1dab9525b0, values=values@entry=0x1d87a28, > > isnull=isnull@entry=0x1d882d8 "\177\177\177\177\177~\177\177") at > > heaptuple.c:881 > > The memory appears to be freed -- CLOBBER_FREED_MEMORY stuff does this. > > You might try using Valgrind, with --track-origins, which will show > where the memory was first allocated. >
I did it, but there is nothing interesting ==00:00:00:03.519 17221== For counts of detected and suppressed errors, rerun with: -v ==00:00:00:03.519 17221== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) ==00:00:01:09.357 17228== Invalid read of size 2 ==00:00:01:09.357 17228== at 0x477A15: heap_deform_tuple (heaptuple.c:881) ==00:00:01:09.357 17228== by 0x477ED9: heap_modify_tuple (heaptuple.c:817) ==00:00:01:09.357 17228== by 0x516DDA: recordExtensionInitPriv.part.2 (aclchk.c:5305) ==00:00:01:09.357 17228== by 0x51954F: recordExtensionInitPriv (aclchk.c:5262) ==00:00:01:09.357 17228== by 0x51954F: ExecGrant_Relation (aclchk.c:1965) ==00:00:01:09.357 17228== by 0x51A324: ExecGrantStmt_oids (aclchk.c:564) ==00:00:01:09.357 17228== by 0x51BDFE: ExecuteGrantStmt (aclchk.c:549) ==00:00:01:09.357 17228== by 0x6F88F8: ProcessUtilitySlow.isra.5 (utility.c:1514) ==00:00:01:09.357 17228== by 0x6F76BA: standard_ProcessUtility (utility.c:907) ==00:00:01:09.357 17228== by 0x58ED9C: execute_sql_string (extension.c:748) ==00:00:01:09.357 17228== by 0x58ED9C: execute_extension_script.isra.5 (extension.c:908) ==00:00:01:09.357 17228== by 0x58FC71: CreateExtensionInternal.isra.6 (extension.c:1500) ==00:00:01:09.357 17228== by 0x5901D7: CreateExtension (extension.c:1558) ==00:00:01:09.357 17228== by 0x6F8378: ProcessUtilitySlow.isra.5 (utility.c:1296) ==00:00:01:09.357 17228== Address 0x7f7f7f7f7f7f7f91 is not stack'd, malloc'd or (recently) free'd ==00:00:01:09.357 17228==. { <insert_a_suppression_name_here> Memcheck:Addr2 fun:heap_deform_tuple fun:heap_modify_tuple fun:recordExtensionInitPriv.part.2 fun:recordExtensionInitPriv fun:ExecGrant_Relation fun:ExecGrantStmt_oids fun:ExecuteGrantStmt fun:ProcessUtilitySlow.isra.5 fun:standard_ProcessUtility fun:execute_sql_string fun:execute_extension_script.isra.5 fun:CreateExtensionInternal.isra.6 fun:CreateExtension fun:ProcessUtilitySlow.isra.5 } Regards Pavel > > -- > Peter Geoghegan >