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bpo-30961: Fix decrementing a borrowed reference in tracemalloc. (#2747) (#2748)

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(cherry picked from commit 4ed5ad79ec)
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Xiang Zhang 2017-07-19 00:50:52 +08:00 • committed by GitHub
parent 8663c45491
commit 241c4a28d9
2 changed files with 2 additions and 2 deletions
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1
Misc/NEWS.d/next/Library/2017-07-18-23-47-51.bpo-30961.064jz0.rst Normal file
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@ -0,0 +1 @@
Fix decrementing a borrowed reference in tracemalloc.

3
Modules/_tracemalloc.c
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@ -1731,7 +1731,7 @@ _PyTraceMalloc_Init(void)
if (key == NULL) if (key == NULL)
return -1; return -1;
value = PyDict_GetItemWithError(xoptions, key); value = PyDict_GetItemWithError(xoptions, key); /* borrowed */
Py_DECREF(key); Py_DECREF(key);
if (value == NULL) { if (value == NULL) {
if (PyErr_Occurred()) if (PyErr_Occurred())
@ -1742,7 +1742,6 @@ _PyTraceMalloc_Init(void)
} }
nframe = parse_sys_xoptions(value); nframe = parse_sys_xoptions(value);
Py_DECREF(value);
if (nframe < 0) { if (nframe < 0) {
Py_FatalError("-X tracemalloc=NFRAME: invalid number of frames"); Py_FatalError("-X tracemalloc=NFRAME: invalid number of frames");
} }