diff options
Diffstat (limited to 'contrib/intarray/_int_bool.c')
| -rw-r--r-- | contrib/intarray/_int_bool.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/contrib/intarray/_int_bool.c b/contrib/intarray/_int_bool.c index d0572afc1e3..b18e997748b 100644 --- a/contrib/intarray/_int_bool.c +++ b/contrib/intarray/_int_bool.c @@ -448,6 +448,9 @@ boolop(PG_FUNCTION_ARGS) static void findoprnd(ITEM *ptr, int32 *pos) { + /* since this function recurses, it could be driven to stack overflow. */ + check_stack_depth(); + #ifdef BS_DEBUG elog(DEBUG3, (ptr[*pos].type == OPR) ? "%d %c" : "%d %d", *pos, ptr[*pos].val); @@ -508,7 +511,13 @@ bqarr_in(PG_FUNCTION_ARGS) (errcode(ERRCODE_INVALID_PARAMETER_VALUE), errmsg("empty query"))); + if (state.num > QUERYTYPEMAXITEMS) + ereport(ERROR, + (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("number of query items (%d) exceeds the maximum allowed (%d)", + state.num, (int) QUERYTYPEMAXITEMS))); commonlen = COMPUTESIZE(state.num); + query = (QUERYTYPE *) palloc(commonlen); SET_VARSIZE(query, commonlen); query->size = state.num; |