Fix phpGH-15020: Memory leak in Zend/Optimizer/escape_analysis.c

ndossche · ndossche · commit 03d73182d9af · 2024-07-19T14:56:28.000+02:00
Closes phpGH-15022.
diff --git a/NEWS b/NEWS
@@ -2,6 +2,10 @@ PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? ????, PHP 8.2.23
 
+- Core:
+  . Fixed bug GH-15020 (Memory leak in Zend/Optimizer/escape_analysis.c).
+    (nielsdos)
+
 - Curl:
   . Fixed case when curl_error returns an empty string.
     (David Carlier)
diff --git a/Zend/Optimizer/escape_analysis.c b/Zend/Optimizer/escape_analysis.c
@@ -400,6 +400,7 @@ zend_result zend_ssa_escape_analysis(const zend_script *script, zend_op_array *o
 	}
 
 	if (zend_build_equi_escape_sets(ees, op_array, ssa) == FAILURE) {
+		free_alloca(ees, use_heap);
 		return FAILURE;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -400,6 +400,7 @@ zend_result zend_ssa_escape_analysis(const zend_script script, zend_op_array o`
`400`	`400`	`}`
`401`	`401`
`402`	`402`	`if (zend_build_equi_escape_sets(ees, op_array, ssa) == FAILURE) {`
	`403`	`+ free_alloca(ees, use_heap);`
`403`	`404`	`return FAILURE;`
`404`	`405`	`}`
`405`	`406`