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SubjectRe: [PATCH v1 01/51] perf tools: Ensure evsel name is initialized
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On 2/19/23 14:57, Ian Rogers wrote:
> Use the evsel__name accessor as otherwise name may be NULL resulting
> in a segv. This was observed with the perf stat shell test.
>
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/synthetic-events.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
> index 9ab9308ee80c..6def01036eb5 100644
> --- a/tools/perf/util/synthetic-events.c
> +++ b/tools/perf/util/synthetic-events.c
> @@ -2004,7 +2004,7 @@ int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evse
> perf_event__handler_t process)
> {
> struct perf_record_event_update *ev;
> - size_t len = strlen(evsel->name);
> + size_t len = strlen(evsel__name(evsel));
> int err;
>

Patch looks fine to me

Reviewed-by: Kajol Jain <kjain@linux.ibm.com>

> ev = event_update_event__new(len + 1, PERF_EVENT_UPDATE__NAME, evsel->core.id[0]);

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