8000 [3.11] gh-101056: Fix memory leak in `formatfloat()` in `bytesobject.c` (GH-101057) by miss-islington · Pull Request #101077 · python/cpython · GitHub
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[3.11] gh-101056: Fix memory leak in formatfloat() in bytesobject.c (GH-101057) #101077

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Merged
merged 1 commit into from
Jan 16, 2023
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[3.11] gh-101056: Fix memory leak in formatfloat() in bytesobject.c (GH-101057) #101077

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gh-101056: Fix memory leak in formatfloat() in bytesobject.c (GH-… 
…101057)

(cherry picked from commit b1a74a1)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
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@sobolevn @miss-islington
sobolevn authored and miss-islington committed Jan 16, 2023
commit 9d7c1e417d7c637dd17a180f8b7b40a92bfed6f7
4 changes: 3 additions & 1 deletion Objects/bytesobject.c
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Original file line number Diff line number Diff line change
5CB1 Expand Up @@ -441,8 +441,10 @@ formatfloat(PyObject *v, int flags, int prec, int type,
len = strlen(p);
if (writer != NULL) {
str = _PyBytesWriter_Prepare(writer, str, len);
if (str == NULL)
if (str == NULL) {
PyMem_Free(p);
return NULL;
}
memcpy(str, p, len);
PyMem_Free(p);
str += len;
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