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| author | Hai Shi <shihai1992@gmail.com> | 2019-10-06 12:17:18 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2019-10-06 12:17:18 (GMT) |
| commit | 24ddd9c2d6ab61cbce7e68d6de36d4df9bd2c3fb (patch) | |
| tree | fa605c9437ffecd4d4a819e3cbe78a70c871803b /Objects | |
| parent | c38e725d17537b20ff090b1b5ec7db1820ff9b63 (diff) | |
| download | cpython-24ddd9c2d6ab61cbce7e68d6de36d4df9bd2c3fb.zip cpython-24ddd9c2d6ab61cbce7e68d6de36d4df9bd2c3fb.tar.gz cpython-24ddd9c2d6ab61cbce7e68d6de36d4df9bd2c3fb.tar.bz2 | |
bpo-38383: Fix possible integer overflow in startswith() of bytes and bytearray. (GH-16603)
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/bytes_methods.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Objects/bytes_methods.c b/Objects/bytes_methods.c index 37c5f7d..7d13184 100644 --- a/Objects/bytes_methods.c +++ b/Objects/bytes_methods.c @@ -743,7 +743,7 @@ tailmatch(const char *str, Py_ssize_t len, PyObject *substr, if (direction < 0) { /* startswith */ - if (start + slen > len) + if (start > len - slen) goto notfound; } else { /* endswith */ |