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Taint can't transmit through numerics nor bool

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This commit is contained in:
orklah 2021-11-25 22:51:35 +01:00
parent 3bc06a8eab
commit ab61eae5c9
1 changed files with 4 additions and 1 deletions
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5
src/Psalm/Internal/Analyzer/FunctionLikeAnalyzer.php
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@ -12,6 +12,7 @@ use Psalm\Context;
use Psalm\Internal\Analyzer\FunctionLike\ReturnTypeAnalyzer;
use Psalm\Internal\Analyzer\FunctionLike\ReturnTypeCollector;
use Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer;
use Psalm\Internal\Codebase\TaintFlowGraph;
use Psalm\Internal\DataFlow\DataFlowNode;
use Psalm\Internal\FileManipulation\FunctionDocblockManipulator;
use Psalm\Internal\Type\Comparator\TypeComparisonResult;
@ -1032,7 +1033,9 @@ abstract class FunctionLikeAnalyzer extends SourceAnalyzer
if ($statements_analyzer->data_flow_graph
&& $function_param->location
) {
if ($function_param->type === null
//don't add to taint flow graph if the type can't transmit taints
if (!$statements_analyzer->data_flow_graph instanceof TaintFlowGraph
|| $function_param->type === null
|| !$function_param->type->isSingle()
|| (!$function_param->type->isInt()
&& !$function_param->type->isFloat()