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| author | Ian Rogers <irogers@google.com> | 2024-05-07 20:53:00 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-05-09 18:14:39 -0300 |
| commit | 45b4f402a6b782352c4bafcff682bfb01da9ca05 (patch) | |
| tree | 7febfbff606298f997a605fb8416c617ff2d8d52 /tools/perf | |
| parent | de6a908384fb1a8327ba46a2baec67d1dfe9a3e1 (diff) | |
| download | linux-stable-45b4f402a6b782352c4bafcff682bfb01da9ca05.tar.gz linux-stable-45b4f402a6b782352c4bafcff682bfb01da9ca05.tar.bz2 linux-stable-45b4f402a6b782352c4bafcff682bfb01da9ca05.zip | |
perf report: Avoid SEGV in report__setup_sample_type()
In some cases evsel->name is lazily initialized in evsel__name(). If not
initialized passing NULL to strstr() leads to a SEGV.
Fixes: ccb17caecfbd542f ("perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE event")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240508035301.1554434-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-report.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 0892b6e3e5e7..69618fb0110b 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -429,7 +429,7 @@ static int report__setup_sample_type(struct report *rep) * compatibility, set the bit if it's an old perf data file. */ evlist__for_each_entry(session->evlist, evsel) { - if (strstr(evsel->name, "arm_spe") && + if (strstr(evsel__name(evsel), "arm_spe") && !(sample_type & PERF_SAMPLE_DATA_SRC)) { evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC; sample_type |= PERF_SAMPLE_DATA_SRC; |