diff --git a/compiler-rt/lib/hwasan/hwasan_flags.inc b/compiler-rt/lib/hwasan/hwasan_flags.inc
--- a/compiler-rt/lib/hwasan/hwasan_flags.inc
+++ b/compiler-rt/lib/hwasan/hwasan_flags.inc
@@ -23,6 +23,8 @@
 HWASAN_FLAG(bool, print_stats, false, "")
 HWASAN_FLAG(bool, halt_on_error, true, "")
 HWASAN_FLAG(bool, atexit, false, "")
+HWASAN_FLAG(bool, print_live_threads_info, true,
+    "If set, prints the remaining threads in report as an extra information.")
 
 // Test only flag to disable malloc/realloc/free memory tagging on startup.
 // Tagging can be reenabled with __hwasan_enable_allocator_tagging().
diff --git a/compiler-rt/lib/hwasan/hwasan_report.cpp b/compiler-rt/lib/hwasan/hwasan_report.cpp
--- a/compiler-rt/lib/hwasan/hwasan_report.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_report.cpp
@@ -501,7 +501,8 @@
   }
 
   // Print the remaining threads, as an extra information, 1 line per thread.
-  hwasanThreadList().VisitAllLiveThreads([&](Thread *t) { t->Announce(); });
+  if (flags()->print_live_threads_info)
+    hwasanThreadList().VisitAllLiveThreads([&](Thread *t) { t->Announce(); });
 
   if (!num_descriptions_printed)
     // We exhausted our possibilities. Bail out.