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| author | Michael W. Hudson <mwh@python.net> | 2005-01-31 17:01:59 (GMT) |
|---|---|---|
| committer | Michael W. Hudson <mwh@python.net> | 2005-01-31 17:01:59 (GMT) |
| commit | 9867ced6c2ba0a47a3d6fa54fdcc0d3a7d31597b (patch) | |
| tree | 414d00b2aa6ecf45cdbf294d844700045b787961 /Modules/posixmodule.c | |
| parent | acdef858a51f32d2b2c82f3d47025cb26c2a63ee (diff) | |
| download | cpython-9867ced6c2ba0a47a3d6fa54fdcc0d3a7d31597b.zip cpython-9867ced6c2ba0a47a3d6fa54fdcc0d3a7d31597b.tar.gz cpython-9867ced6c2ba0a47a3d6fa54fdcc0d3a7d31597b.tar.bz2 | |
Fix
[ 1077106 ] Negative numbers to os.read() cause segfault
Sorry for sitting on this for so long! Is there a chance it could
make 2.3.5?
Diffstat (limited to 'Modules/posixmodule.c')
| -rw-r--r-- | Modules/posixmodule.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 7ecd864..2d3eaa3 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -5349,6 +5349,10 @@ posix_read(PyObject *self, PyObject *args) PyObject *buffer; if (!PyArg_ParseTuple(args, "ii:read", &fd, &size)) return NULL; + if (size < 0) { + errno = EINVAL; + return posix_error(); + } buffer = PyString_FromStringAndSize((char *)NULL, size); if (buffer == NULL) return NULL; |