diff options
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 9142a8ba4019..9ffc0f4ca6d1 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2545,6 +2545,11 @@ static int perf_header__read_build_ids_abi_quirk(struct perf_header *header, perf_event_header__bswap(&old_bev.header); len = old_bev.header.size - sizeof(old_bev); + if (len < 0 || len >= PATH_MAX) { + pr_warning("invalid build_id filename length %zd\n", len); + return -1; + } + if (readn(input, filename, len) != len) return -1; @@ -2587,6 +2592,11 @@ static int perf_header__read_build_ids(struct perf_header *header, perf_event_header__bswap(&bev.header); len = bev.header.size - sizeof(bev); + if (len < 0 || len >= PATH_MAX) { + pr_warning("invalid build_id filename length %zd\n", len); + goto out; + } + if (readn(input, filename, len) != len) goto out; /* |