Avoid sign comparison issues.

Yhg1s · Yhg1s · commit 88cef81f5f88 · 2026-03-10T17:40:52.000-07:00
diff --git a/Python/pystate.c b/Python/pystate.c
@@ -3053,7 +3053,7 @@ push_chunk(PyThreadState *tstate, int size)
     }
     _PyStackChunk *new;
     if (tstate->datastack_cached_chunk != NULL
-        && tstate->datastack_cached_chunk->size >= allocate_size)
+        && (size_t)allocate_size <= tstate->datastack_cached_chunk->size)
     {
         new = tstate->datastack_cached_chunk;
         tstate->datastack_cached_chunk = NULL;

Original file line number	Diff line number	Diff line change
`@@ -3053,7 +3053,7 @@ push_chunk(PyThreadState *tstate, int size)`
`3053`	`3053`	`}`
`3054`	`3054`	`_PyStackChunk *new;`
`3055`	`3055`	`if (tstate->datastack_cached_chunk != NULL`
`3056`		`- && tstate->datastack_cached_chunk->size >= allocate_size)`
	`3056`	`+ && (size_t)allocate_size <= tstate->datastack_cached_chunk->size)`
`3057`	`3057`	`{`
`3058`	`3058`	`new = tstate->datastack_cached_chunk;`
`3059`	`3059`	`tstate->datastack_cached_chunk = NULL;`