On memory error, dump the memory block traceback
Issue #26564: _PyObject_DebugDumpAddress() now dumps the traceback where a
memory block was allocated on memory block. Use the tracemalloc module to get
the traceback.
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 9e8ba39..67ae7d9 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -2820,6 +2820,7 @@
{
char* argbuf = PyByteArray_AS_STRING(self);
Py_ssize_t arglen = PyByteArray_GET_SIZE(self);
+ PyByteArray_AS_STRING(self)[arglen+1] = 2;
return _Py_strhex(argbuf, arglen);
}
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index f526b1f..8812f59 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -1,5 +1,10 @@
#include "Python.h"
+
+/* Defined in tracemalloc.c */
+extern void _PyMem_DumpTraceback(int fd, const void *ptr);
+
+
/* Python's malloc wrappers (see pymem.h) */
/*
@@ -2202,6 +2207,10 @@
}
fputc('\n', stderr);
}
+ fputc('\n', stderr);
+
+ fflush(stderr);
+ _PyMem_DumpTraceback(fileno(stderr), p);
}