diff options
Diffstat (limited to 'src/backend/utils/adt/varbit.c')
| -rw-r--r-- | src/backend/utils/adt/varbit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/utils/adt/varbit.c b/src/backend/utils/adt/varbit.c index 478fab9bfce..6caa7e9b5e5 100644 --- a/src/backend/utils/adt/varbit.c +++ b/src/backend/utils/adt/varbit.c @@ -17,6 +17,7 @@ #include "postgres.h" #include "access/htup_details.h" +#include "common/int.h" #include "libpq/pqformat.h" #include "nodes/nodeFuncs.h" #include "utils/array.h" @@ -1166,8 +1167,7 @@ bit_overlay(VarBit *t1, VarBit *t2, int sp, int sl) ereport(ERROR, (errcode(ERRCODE_SUBSTRING_ERROR), errmsg("negative substring length not allowed"))); - sp_pl_sl = sp + sl; - if (sp_pl_sl <= sl) + if (pg_add_s32_overflow(sp, sl, &sp_pl_sl)) ereport(ERROR, (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), errmsg("integer out of range"))); |