diff options
| -rw-r--r-- | simpleperf/OfflineUnwinder.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/simpleperf/OfflineUnwinder.cpp b/simpleperf/OfflineUnwinder.cpp index ae33cafd..9d561447 100644 --- a/simpleperf/OfflineUnwinder.cpp +++ b/simpleperf/OfflineUnwinder.cpp @@ -131,7 +131,7 @@ bool OfflineUnwinder::UnwindCallChain(const ThreadEntry& thread, const RegSet& r auto map_it = cached_maps_.find(thread.pid); CachedMap& cached_map = (map_it == cached_maps_.end() ? cached_maps_[thread.pid] : map_it->second); - if (cached_map.version < thread.maps->version) { + if (!cached_map.map || cached_map.version < thread.maps->version) { std::vector<backtrace_map_t> bt_maps(thread.maps->maps.size()); size_t map_index = 0; for (auto& map : thread.maps->maps) { |