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| author | Zackery Spytz <zspytz@gmail.com> | 2018-10-03 06:01:30 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2018-10-03 06:01:30 (GMT) |
| commit | 96c593279400693226d5a560c420ae0fcf1731b9 (patch) | |
| tree | 47d5c1567cbee5529cb1353286077bd8e6bb3ed5 /Objects/bytesobject.c | |
| parent | e006b39a40e0cd6a90c68f1107853ea2ed0ed54d (diff) | |
| download | cpython-96c593279400693226d5a560c420ae0fcf1731b9.zip cpython-96c593279400693226d5a560c420ae0fcf1731b9.tar.gz cpython-96c593279400693226d5a560c420ae0fcf1731b9.tar.bz2 | |
bpo-34879: Fix a possible null pointer dereference in bytesobject.c (GH-9683)
formatfloat() was not checking if PyBytes_FromStringAndSize()
failed, which could lead to a null pointer dereference in
_PyBytes_FormatEx().
Diffstat (limited to 'Objects/bytesobject.c')
| -rw-r--r-- | Objects/bytesobject.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c index fb344c1..d51d1ba 100644 --- a/Objects/bytesobject.c +++ b/Objects/bytesobject.c @@ -448,7 +448,7 @@ formatfloat(PyObject *v, int flags, int prec, int type, result = PyBytes_FromStringAndSize(p, len); PyMem_Free(p); *p_result = result; - return str; + return result != NULL ? str : NULL; } static PyObject * |