Index: compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
===================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
@@ -2535,7 +2535,8 @@
   ThreadState *thr = cur_thread();
   if (!thr)
     return res;
-  DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, res, thr->tls_addr, thr->tls_size);
+  DTLS::DTV *dtv = DTLS_on_tls_get_addr(arg, res, thr->tls_addr,
+                                        thr->tls_addr + thr->tls_size);
   if (!dtv)
     return res;
   // New DTLS block has been allocated.