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| author | Neal Norwitz <nnorwitz@gmail.com> | 2006-07-17 00:59:04 (GMT) |
|---|---|---|
| committer | Neal Norwitz <nnorwitz@gmail.com> | 2006-07-17 00:59:04 (GMT) |
| commit | a5e4f22bfb552c2d7a384b651f04666a2a6b87d1 (patch) | |
| tree | 8b602028cabbd2459157bd20c2d8c7083b132cc9 /Python/pythonrun.c | |
| parent | 04e39ec81592915803bc253a6567153d18a2e71a (diff) | |
| download | cpython-a5e4f22bfb552c2d7a384b651f04666a2a6b87d1.zip cpython-a5e4f22bfb552c2d7a384b651f04666a2a6b87d1.tar.gz cpython-a5e4f22bfb552c2d7a384b651f04666a2a6b87d1.tar.bz2 | |
Reported by Klocwork #151.
v2 can be NULL if exception2 is NULL. I don't think that condition can happen,
but I'm not sure it can't either. Now the code will protect against either
being NULL.
Diffstat (limited to 'Python/pythonrun.c')
| -rw-r--r-- | Python/pythonrun.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Python/pythonrun.c b/Python/pythonrun.c index 7e5c696..95a3372 100644 --- a/Python/pythonrun.c +++ b/Python/pythonrun.c @@ -1064,6 +1064,17 @@ PyErr_PrintEx(int set_sys_last_vars) } PyErr_Fetch(&exception2, &v2, &tb2); PyErr_NormalizeException(&exception2, &v2, &tb2); + /* It should not be possible for exception2 or v2 + to be NULL. However PyErr_Display() can't + tolerate NULLs, so just be safe. */ + if (exception2 == NULL) { + exception2 = Py_None; + Py_INCREF(exception2); + } + if (v2 == NULL) { + v2 = Py_None; + Py_INCREF(v2); + } if (Py_FlushLine()) PyErr_Clear(); fflush(stdout); @@ -1071,8 +1082,8 @@ PyErr_PrintEx(int set_sys_last_vars) PyErr_Display(exception2, v2, tb2); PySys_WriteStderr("\nOriginal exception was:\n"); PyErr_Display(exception, v, tb); - Py_XDECREF(exception2); - Py_XDECREF(v2); + Py_DECREF(exception2); + Py_DECREF(v2); Py_XDECREF(tb2); } Py_XDECREF(result); |