Update Python 3 to 3.13.13

commit_hash:526db1f6570443324e2690db042314848cd47d2e

1 files changed, 6 insertions, 0 deletions

diff --git a/contrib/tools/python3/Python/perf_trampoline.c b/contrib/tools/python3/Python/perf_trampoline.c
index 5589ec1c362..7ef9eca11f5 100644
--- a/contrib/tools/python3/Python/perf_trampoline.c
+++ b/contrib/tools/python3/Python/perf_trampoline.c
@@ -620,6 +620,12 @@ _PyPerfTrampoline_AfterFork_Child(void)
         int was_active = _PyIsPerfTrampolineActive();
         _PyPerfTrampoline_Fini();
         if (was_active) {
+            // After fork, Fini may leave the old code watcher registered
+            // if trampolined code objects from the parent still exist
+            // (trampoline_refcount > 0). Clear it unconditionally before
+            // Init registers a new one, to prevent two watchers sharing
+            // the same globals and double-decrementing trampoline_refcount.
+            perf_trampoline_reset_state();
             _PyPerfTrampoline_Init(1);
         }
     }