diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_libignore.cc b/compiler-rt/lib/sanitizer_common/sanitizer_libignore.cc
index 0df055edae97..b36c0ae4eb2e 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_libignore.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_libignore.cc
@@ -80,7 +80,7 @@ void LibIgnore::OnLibraryLoaded(const char *name) {
         lib->name = internal_strdup(mod.full_name());
         const uptr idx =
             atomic_load(&ignored_ranges_count_, memory_order_relaxed);
-        CHECK_LT(idx, kMaxLibs);
+        CHECK_LT(idx, ARRAY_SIZE(ignored_code_ranges_));
         ignored_code_ranges_[idx].begin = range.beg;
         ignored_code_ranges_[idx].end = range.end;
         atomic_store(&ignored_ranges_count_, idx + 1, memory_order_release);
@@ -109,7 +109,7 @@ void LibIgnore::OnLibraryLoaded(const char *name) {
                 range.beg, range.end, mod.full_name());
         const uptr idx =
             atomic_load(&instrumented_ranges_count_, memory_order_relaxed);
-        CHECK_LT(idx, kMaxLibs);
+        CHECK_LT(idx, ARRAY_SIZE(instrumented_code_ranges_));
         instrumented_code_ranges_[idx].begin = range.beg;
         instrumented_code_ranges_[idx].end = range.end;
         atomic_store(&instrumented_ranges_count_, idx + 1,
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_libignore.h b/compiler-rt/lib/sanitizer_common/sanitizer_libignore.h
index 17b0f563d47d..49967b1e8d2a 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_libignore.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_libignore.h
@@ -66,14 +66,16 @@ class LibIgnore {
     return (pc >= range.begin && pc < range.end);
   }
 
-  static const uptr kMaxLibs = 128;
+  static const uptr kMaxIgnoredRanges = 128;
+  static const uptr kMaxInstrumentedRanges = 1024;
+  static const uptr kMaxLibs = 1024;
 
   // Hot part:
   atomic_uintptr_t ignored_ranges_count_;
-  LibCodeRange ignored_code_ranges_[kMaxLibs];
+  LibCodeRange ignored_code_ranges_[kMaxIgnoredRanges];
 
   atomic_uintptr_t instrumented_ranges_count_;
-  LibCodeRange instrumented_code_ranges_[kMaxLibs];
+  LibCodeRange instrumented_code_ranges_[kMaxInstrumentedRanges];
 
   // Cold part:
   BlockingMutex mutex_;