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| author | Charles-François Natali <neologix@free.fr> | 2011-08-28 14:22:33 (GMT) |
|---|---|---|
| committer | Charles-François Natali <neologix@free.fr> | 2011-08-28 14:22:33 (GMT) |
| commit | fda7b379acde3ad60bbd42acb6da7e7099d25133 (patch) | |
| tree | 8a6f41e799670ac5cea353e6cc4bc671fec25798 /Modules/ossaudiodev.c | |
| parent | bbabbae114f6d16dacdc1ad8f6f04b95fb6b17eb (diff) | |
| download | cpython-fda7b379acde3ad60bbd42acb6da7e7099d25133.zip cpython-fda7b379acde3ad60bbd42acb6da7e7099d25133.tar.gz cpython-fda7b379acde3ad60bbd42acb6da7e7099d25133.tar.bz2 | |
Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is
greater than FD_SETSIZE.
Diffstat (limited to 'Modules/ossaudiodev.c')
| -rw-r--r-- | Modules/ossaudiodev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c index ebf101a..b3dfa62 100644 --- a/Modules/ossaudiodev.c +++ b/Modules/ossaudiodev.c @@ -425,6 +425,11 @@ oss_writeall(oss_audio_t *self, PyObject *args) if (!PyArg_ParseTuple(args, "s#:write", &cp, &size)) return NULL; + if (!_PyIsSelectable_fd(self->fd)) { + PyErr_SetString(PyExc_ValueError, + "file descriptor out of range for select"); + return NULL; + } /* use select to wait for audio device to be available */ FD_ZERO(&write_set_fds); FD_SET(self->fd, &write_set_fds); |