Commit 81fd6105bc6 for php

commit 81fd6105bc6b003e5e226aa17a0f1f51201dc812
Author: David Carlier <devnexen@gmail.com>
Date:   Sat Oct 10 19:42:07 2026 +0100

    Zend: zend_call_stack_get_netbsd_pthread() pthread attribute leak.

    Close GH-24245

diff --git a/NEWS b/NEWS
index 4be7ba3fdb1..e5ff8f8df4d 100644
--- a/NEWS
+++ b/NEWS
@@ -21,6 +21,8 @@ PHP                                                                        NEWS
   . Fix escape analysis for objects implementing ArrayAccess. (ndossche, Arnaud)
   . Fix UAF for resolved callable zval. (EdmondDantes)
   . Fix memory leak for nested HTTP calls. (EdmondDantes)
+  . Fixed pthread attribute leak in zend_call_stack_get_netbsd_pthread().
+    (David Carlier)

 - DOM:
   . Fixed bug GH-23352 (UAF reading an attribute value node retained across
diff --git a/Zend/zend_call_stack.c b/Zend/zend_call_stack.c
index ac12b8b7d87..ab00781b47d 100644
--- a/Zend/zend_call_stack.c
+++ b/Zend/zend_call_stack.c
@@ -591,11 +591,13 @@ static bool zend_call_stack_get_netbsd_pthread(zend_call_stack *stack)

 	error = pthread_attr_getstack(&attr, &addr, &max_size);
 	if (error) {
+		pthread_attr_destroy(&attr);
 		return false;
 	}

 	error = pthread_attr_getguardsize(&attr, &guard_size);
 	if (error) {
+		pthread_attr_destroy(&attr);
 		return false;
 	}

@@ -605,6 +607,7 @@ static bool zend_call_stack_get_netbsd_pthread(zend_call_stack *stack)
 	stack->base = (char *)addr + max_size;
 	stack->max_size = max_size;

+	pthread_attr_destroy(&attr);
 	return true;
 }
 # else