Index: tools/bugpoint/bugpoint.cpp
===================================================================
--- tools/bugpoint/bugpoint.cpp
+++ tools/bugpoint/bugpoint.cpp
@@ -169,6 +169,11 @@
       MemoryLimit = 800;
     else
       MemoryLimit = 400;
+#if LLVM_ADDRESS_SANITIZER_BUILD || LLVM_MEMORY_SANITIZER_BUILD
+    // Starting from kernel 4.9 memory allocated with mmap is counted against
+    // RLIMIT_DATA. Sanitizers need to allocate tens of terabytes for shadow.
+    MemoryLimit = 0;
+#endif
   }
 
   BugDriver D(argv[0], FindBugs, TimeoutValue, MemoryLimit, UseValgrind,