gh-131591: Do not free page caches that weren't allocated (#143205)

pablogsal · web-flow · commit 3a728e5f93c1 · 2025-12-27T13:38:11.000Z
diff --git a/Python/remote_debug.h b/Python/remote_debug.h
@@ -154,7 +154,9 @@ static void
 _Py_RemoteDebug_FreePageCache(proc_handle_t *handle)
 {
     for (int i = 0; i < MAX_PAGES; i++) {
-        PyMem_RawFree(handle->pages[i].data);
+        if (handle->pages[i].data) {
+            PyMem_RawFree(handle->pages[i].data);
+        }
         handle->pages[i].data = NULL;
         handle->pages[i].valid = 0;
     }

Original file line number	Diff line number	Diff line change
`@@ -154,7 +154,9 @@ static void`
`154`	`154`	`_Py_RemoteDebug_FreePageCache(proc_handle_t *handle)`
`155`	`155`	`{`
`156`	`156`	`for (int i = 0; i < MAX_PAGES; i++) {`
`157`		`- PyMem_RawFree(handle->pages[i].data);`
	`157`	`+ if (handle->pages[i].data) {`
	`158`	`+ PyMem_RawFree(handle->pages[i].data);`
	`159`	`+ }`
`158`	`160`	`handle->pages[i].data = NULL;`
`159`	`161`	`handle->pages[i].valid = 0;`
`160`	`162`	`}`