[llvm-commits] [compiler-rt] r159365 - /compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc

[Dmitry Vyukov]

Author: dvyukov
Date: Thu Jun 28 13:20:50 2012
New Revision: 159365

URL: http://llvm.org/viewvc/llvm-project?rev=159365&view=rev
Log:
tsan: clear shadow for ucontext, because it's visible to user

Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc?rev=159365&r1=159364&r2=159365&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc Thu Jun 28 13:20:50 2012
@@ -117,6 +117,7 @@
     ScopedInRtl in_rtl;
     ctx = (SignalContext*)internal_alloc(
         MBlockSignal, sizeof(*ctx));
+    MemoryResetRange(thr, 0, (uptr)ctx, sizeof(*ctx));
     internal_memset(ctx, 0, sizeof(*ctx));
     thr->signal_ctx = ctx;
   }