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author | Nadeem Vawda <nadeem.vawda@gmail.com> | 2012-11-11 02:15:32 (GMT) |
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committer | Nadeem Vawda <nadeem.vawda@gmail.com> | 2012-11-11 02:15:32 (GMT) |
commit | 7ee955550b27af117ddca61deb061e13423cf24b (patch) | |
tree | 5af7af0e38d0a8163b651250cf5b0c70c76253cc /Modules | |
parent | ee7889dec321654d1c50448de7987e1841dd3ad5 (diff) | |
download | cpython-7ee955550b27af117ddca61deb061e13423cf24b.zip cpython-7ee955550b27af117ddca61deb061e13423cf24b.tar.gz cpython-7ee955550b27af117ddca61deb061e13423cf24b.tar.bz2 |
Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access previously-freed memory.
Patch by Serhiy Storchaka.
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/zlibmodule.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c index 6d4aa3a..6a772ad 100644 --- a/Modules/zlibmodule.c +++ b/Modules/zlibmodule.c @@ -883,6 +883,8 @@ PyZlib_unflush(compobject *self, PyObject *args) ENTER_ZLIB(self); start_total_out = self->zst.total_out; + self->zst.avail_in = PyBytes_GET_SIZE(self->unconsumed_tail); + self->zst.next_in = (Byte *)PyBytes_AS_STRING(self->unconsumed_tail); self->zst.avail_out = length; self->zst.next_out = (Byte *)PyBytes_AS_STRING(retval); |