diff options
Diffstat (limited to 'src/backend/utils/adt/varlena.c')
| -rw-r--r-- | src/backend/utils/adt/varlena.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c index 87ecf58adeb..6d42bca1eaf 100644 --- a/src/backend/utils/adt/varlena.c +++ b/src/backend/utils/adt/varlena.c @@ -3081,11 +3081,12 @@ byteaGetBit(PG_FUNCTION_ARGS) len = VARSIZE_ANY_EXHDR(v); - if (n < 0 || n >= len * 8) + /* Do comparison arithmetic in int64 in case len exceeds INT_MAX/8 */ + if (n < 0 || n >= (int64) len * 8) ereport(ERROR, (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR), errmsg("index %d out of valid range, 0..%d", - n, len * 8 - 1))); + n, (int) Min((int64) len * 8 - 1, INT_MAX)))); byteNo = n / 8; bitNo = n % 8; @@ -3152,11 +3153,12 @@ byteaSetBit(PG_FUNCTION_ARGS) len = VARSIZE(res) - VARHDRSZ; - if (n < 0 || n >= len * 8) + /* Do comparison arithmetic in int64 in case len exceeds INT_MAX/8 */ + if (n < 0 || n >= (int64) len * 8) ereport(ERROR, (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR), errmsg("index %d out of valid range, 0..%d", - n, len * 8 - 1))); + n, (int) Min((int64) len * 8 - 1, INT_MAX)))); byteNo = n / 8; bitNo = n % 8; |