[pgpool-hackers: 1106] Re: New Defects reported by Coverity Scan for pgpool-II

Yugo Nagata nagata at sraoss.co.jp
Thu Oct 15 12:12:01 JST 2015


On Thu, 15 Oct 2015 09:24:48 +0900 (JST)
Tatsuo Ishii <ishii at postgresql.org> wrote:

> Yugo,
> 
> Here is the latest coverity scan repport for the master branch. I
> believe this is related to the recent parser update commit.

OK. I'll fix this.

> 
> Best regards,
> --
> Tatsuo Ishii
> SRA OSS, Inc. Japan
> English: http://www.sraoss.co.jp/index_en.php
> Japanese:http://www.sraoss.co.jp
> 
> > Hi,
> > 
> > Please find the latest report on new defect(s) introduced to pgpool-II found with Coverity Scan.
> > 
> > 2 new defect(s) introduced to pgpool-II found with Coverity Scan.
> > 
> > 
> > New defect(s) Reported-by: Coverity Scan
> > Showing 2 of 2 defect(s)
> > 
> > 
> > ** CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> > /src/parser/outfuncs.c: 2410 in _outVacuumStmt()
> > /src/parser/outfuncs.c: 2422 in _outVacuumStmt()
> > /src/parser/outfuncs.c: 2416 in _outVacuumStmt()
> > /src/parser/outfuncs.c: 2413 in _outVacuumStmt()
> > /src/parser/outfuncs.c: 2419 in _outVacuumStmt()
> > 
> > 
> > ________________________________________________________________________________________________________
> > *** CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> > /src/parser/outfuncs.c: 2410 in _outVacuumStmt()
> > 2404     }
> > 2405     
> > 2406     static void _outVacuumStmt(String *str, VacuumStmt *node)
> > 2407     {
> > 2408     	if (node->options | VACOPT_VACUUM)
> > 2409     		string_append_char(str, "VACUUM ");
> >>>>     CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> >>>>     "node->options | VACOPT_ANALYZE" is always 1/true regardless of the values of its operand. This occurs as the logical operand of if.
> > 2410     	else if (node->options | VACOPT_ANALYZE)
> > 2411     		string_append_char(str, "ANALYZE ");
> > 2412     
> > 2413     	if (node->options | VACOPT_FULL)
> > 2414     		string_append_char(str, "FULL ");
> > 2415     
> > /src/parser/outfuncs.c: 2422 in _outVacuumStmt()
> > 2416     	if (node->options | VACOPT_FREEZE)
> > 2417     		string_append_char(str, "FREEZE ");
> > 2418     
> > 2419     	if (node->options | VACOPT_VERBOSE)
> > 2420     		string_append_char(str, "VERBOSE ");
> > 2421     
> >>>>     CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> >>>>     "node->options | VACOPT_ANALYZE" is always 1/true regardless of the values of its operand. This occurs as the logical second operand of '&&'.
> > 2422     	if (node->options | VACOPT_VACUUM && node->options | VACOPT_ANALYZE)
> > 2423     		string_append_char(str, "ANALYZE ");
> > 2424     
> > 2425     	_outNode(str, node->relation);
> > 2426     	if (node->va_cols)
> > 2427     	{
> > /src/parser/outfuncs.c: 2416 in _outVacuumStmt()
> > 2410     	else if (node->options | VACOPT_ANALYZE)
> > 2411     		string_append_char(str, "ANALYZE ");
> > 2412     
> > 2413     	if (node->options | VACOPT_FULL)
> > 2414     		string_append_char(str, "FULL ");
> > 2415     
> >>>>     CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> >>>>     "node->options | VACOPT_FREEZE" is always 1/true regardless of the values of its operand. This occurs as the logical operand of if.
> > 2416     	if (node->options | VACOPT_FREEZE)
> > 2417     		string_append_char(str, "FREEZE ");
> > 2418     
> > 2419     	if (node->options | VACOPT_VERBOSE)
> > 2420     		string_append_char(str, "VERBOSE ");
> > 2421     
> > /src/parser/outfuncs.c: 2413 in _outVacuumStmt()
> > 2407     {
> > 2408     	if (node->options | VACOPT_VACUUM)
> > 2409     		string_append_char(str, "VACUUM ");
> > 2410     	else if (node->options | VACOPT_ANALYZE)
> > 2411     		string_append_char(str, "ANALYZE ");
> > 2412     
> >>>>     CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> >>>>     "node->options | VACOPT_FULL" is always 1/true regardless of the values of its operand. This occurs as the logical operand of if.
> > 2413     	if (node->options | VACOPT_FULL)
> > 2414     		string_append_char(str, "FULL ");
> > 2415     
> > 2416     	if (node->options | VACOPT_FREEZE)
> > 2417     		string_append_char(str, "FREEZE ");
> > 2418     
> > /src/parser/outfuncs.c: 2419 in _outVacuumStmt()
> > 2413     	if (node->options | VACOPT_FULL)
> > 2414     		string_append_char(str, "FULL ");
> > 2415     
> > 2416     	if (node->options | VACOPT_FREEZE)
> > 2417     		string_append_char(str, "FREEZE ");
> > 2418     
> >>>>     CID 1327389:    (CONSTANT_EXPRESSION_RESULT)
> >>>>     "node->options | VACOPT_VERBOSE" is always 1/true regardless of the values of its operand. This occurs as the logical operand of if.
> > 2419     	if (node->options | VACOPT_VERBOSE)
> > 2420     		string_append_char(str, "VERBOSE ");
> > 2421     
> > 2422     	if (node->options | VACOPT_VACUUM && node->options | VACOPT_ANALYZE)
> > 2423     		string_append_char(str, "ANALYZE ");
> > 2424     
> > 
> > ** CID 1327388:  Control flow issues  (UNREACHABLE)
> > /src/rewrite/pool_timestamp.c: 1150 in raw_expression_tree_walker()
> > 
> > 
> > ________________________________________________________________________________________________________
> > *** CID 1327388:  Control flow issues  (UNREACHABLE)
> > /src/rewrite/pool_timestamp.c: 1150 in raw_expression_tree_walker()
> > 1144     				if (walker((Node *) lfirst(temp), context))
> > 1145     					return true;
> > 1146     			}
> > 1147     			break;
> > 1148     		case T_InsertStmt:
> > 1149     			break;
> >>>>     CID 1327388:  Control flow issues  (UNREACHABLE)
> >>>>     This code cannot be reached: "{
> >   InsertStmt *stmt = (Ins...".
> > 1150     			{
> > 1151     				InsertStmt *stmt = (InsertStmt *) node;
> > 1152     
> > 1153     				if (walker(stmt->relation, context))
> > 1154     					return true;
> > 1155     				if (walker(stmt->cols, context))
> > 
> > 
> > ________________________________________________________________________________________________________
> > To view the defects in Coverity Scan visit, https://scan.coverity.com/projects/pgpool-ii?tab=overview
> > 
> > To manage Coverity Scan email notifications for "ishii at sraoss.co.jp", click https://scan.coverity.com/subscriptions/edit?email=ishii%40sraoss.co.jp&token=5dff6b0168f7e9076d0b3f1acb3cf01b
> > 
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> pgpool-hackers at pgpool.net
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-- 
Yugo Nagata <nagata at sraoss.co.jp>


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