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The sanity check added to array_recv() wa a bit too tight; we must 

continue to accept an empty array with dimension information. array_send()
can output such arrays.

Per report from Vladimir Shakhov.
This commit is contained in:
Heikki Linnakangas 2010-08-11 19:12:27 +00:00
parent 741396936e
commit c9ae257e23
1 changed files with 13 additions and 9 deletions
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22
src/backend/utils/adt/arrayfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.164 2010/02/26 02:01:07 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.165 2010/08/11 19:12:27 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -1213,17 +1213,21 @@ array_recv(PG_FUNCTION_ARGS)
for (i = 0; i < ndim; i++)
{
int ub;
dim[i] = pq_getmsgint(buf, 4);
lBound[i] = pq_getmsgint(buf, 4);
ub = lBound[i] + dim[i] - 1;
/* overflow? */
if (lBound[i] > ub)
ereport(ERROR,
(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
errmsg("integer out of range")));
/*
* Check overflow of upper bound. (ArrayNItems() below checks that
* dim[i] >= 0)
*/
if (dim[i] != 0)
{
int ub = lBound[i] + dim[i] - 1;
if (lBound[i] > ub)
ereport(ERROR,
(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
errmsg("integer out of range")));
}
}
/* This checks for overflow of array dimensions */