diff options
| -rw-r--r-- | tools/perf/util/hwmon_pmu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/hwmon_pmu.c b/tools/perf/util/hwmon_pmu.c index fbfb872ceb18..bdcbe887579a 100644 --- a/tools/perf/util/hwmon_pmu.c +++ b/tools/perf/util/hwmon_pmu.c @@ -202,7 +202,8 @@ bool parse_hwmon_filename(const char *filename, fn_item_len = strlen(fn_item); if (fn_item_len > 6 && !strcmp(&fn_item[fn_item_len - 6], "_alarm")) { assert(strlen(LONGEST_HWMON_ITEM_STR) < sizeof(fn_type)); - strlcpy(fn_type, fn_item, fn_item_len - 5); + /* fn_item_len - 5 strips "_alarm"; clamp to buffer size */ + strlcpy(fn_type, fn_item, min_t(size_t, fn_item_len - 5, sizeof(fn_type))); fn_item = fn_type; *alarm = true; } |