diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 304f5d710143..cad17c07bd43 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2591,6 +2591,13 @@ int perf_session__read_header(struct perf_session *session) file->path); } + if (f_header.attr_size == 0) { + pr_err("ERROR: The %s file's attr size field is 0 which is unexpected.\n" + "Was the 'perf record' command properly terminated?\n", + file->path); + return -EINVAL; + } + nr_attrs = f_header.attrs.size / f_header.attr_size; lseek(fd, f_header.attrs.offset, SEEK_SET);