diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index c301c298ded9..39562bdec8b9 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -995,6 +995,9 @@ int sysfs__read_build_id(const char *filename, struct build_id *bid) } else { n = namesz + descsz; } + /* no valid note has both namesz and descsz zero */ + if (n == 0) + break; if (read(fd, bf, n) != (ssize_t)n) break; }