diff --git a/compiler-rt/lib/asan/asan_interceptors.cpp b/compiler-rt/lib/asan/asan_interceptors.cpp
--- a/compiler-rt/lib/asan/asan_interceptors.cpp
+++ b/compiler-rt/lib/asan/asan_interceptors.cpp
@@ -248,8 +248,7 @@
   uptr bottom = stack & ~(PageSize - 1);
   ssize += stack - bottom;
   ssize = RoundUpTo(ssize, PageSize);
-  static const uptr kMaxSaneContextStackSize = 1 << 22;  // 4 Mb
-  if (AddrIsInMem(bottom) && ssize && ssize <= kMaxSaneContextStackSize) {
+  if (AddrIsInMem(bottom) && ssize) {
     PoisonShadow(bottom, ssize, 0);
   }
 }