[issue39877] Daemon thread is crashing in PyEval_RestoreThread() while the main thread is exiting the process
STINNER Victor
report at bugs.python.org
Fri Mar 6 09:53:16 EST 2020
STINNER Victor <vstinner at python.org> added the comment:
Patch to get a cleaner error if the bug occurs, but also to make the bug more reliable:
diff --git a/Python/ceval.c b/Python/ceval.c
index ef4aac2f9a..8bf1e4766d 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -382,7 +382,8 @@ PyEval_SaveThread(void)
void
PyEval_RestoreThread(PyThreadState *tstate)
{
- assert(tstate != NULL);
+ assert(!_PyMem_IsPtrFreed(tstate));
+ assert(!_PyMem_IsPtrFreed(tstate->interp));
_PyRuntimeState *runtime = tstate->interp->runtime;
struct _ceval_runtime_state *ceval = &runtime->ceval;
----------
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<https://bugs.python.org/issue39877>
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