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perf python: Set index error for invalid thread/cpu map items

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Returning NULL for out of bound CPU or thread map items causes
internal errors. Fix by correctly setting the error to be an index
error.

Signed-off-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250710235126.1086011-14-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers
2025-07-10 16:51:26 -07:00
committed by Namhyung Kim
parent 421c5f39ad
commit b4aff7ed7a
1 changed files with 6 additions and 2 deletions
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8
tools/perf/util/python.c
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@@ -529,8 +529,10 @@ static PyObject *pyrf_cpu_map__item(PyObject *obj, Py_ssize_t i)
{
struct pyrf_cpu_map *pcpus = (void *)obj;
if (i >= perf_cpu_map__nr(pcpus->cpus))
if (i >= perf_cpu_map__nr(pcpus->cpus)) {
PyErr_SetString(PyExc_IndexError, "Index out of range");
return NULL;
}
return Py_BuildValue("i", perf_cpu_map__cpu(pcpus->cpus, i).cpu);
}
@@ -598,8 +600,10 @@ static PyObject *pyrf_thread_map__item(PyObject *obj, Py_ssize_t i)
{
struct pyrf_thread_map *pthreads = (void *)obj;
if (i >= perf_thread_map__nr(pthreads->threads))
if (i >= perf_thread_map__nr(pthreads->threads)) {
PyErr_SetString(PyExc_IndexError, "Index out of range");
return NULL;
}
return Py_BuildValue("i", perf_thread_map__pid(pthreads->threads, i));
}