commit 0f3c031ed45221650005888661b94e43abcb21f6
author kcc <kcc> Tue Aug 22 01:50:00 2017 +0000
committer kcc <kcc> Tue Aug 22 01:50:00 2017 +0000
tree 829ee98ddda33d571a20a0455b18768023872698
parent 1c0379f93124d95b87f3b62bf61d90882a669387

[libFuzzer] fix the stack-depth initialization, add a lit test for DeepRecursionTest.cpp 

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@311421 91177308-0d34-0410-b5e6-96231b3b80d8

FuzzerTracePC.cpp

diff --git a/FuzzerTracePC.cpp b/FuzzerTracePC.cpp
index ebd33d3..985649a 100644
--- a/FuzzerTracePC.cpp
+++ b/FuzzerTracePC.cpp
@@ -343,8 +343,10 @@
   }
 }
 
+ATTRIBUTE_NO_SANITIZE_ALL
 void TracePC::RecordInitialStack() {
-  InitialStack = __sancov_lowest_stack;
+  int stack;
+  __sancov_lowest_stack = InitialStack = reinterpret_cast<uintptr_t>(&stack);
 }
 
 uintptr_t TracePC::GetMaxStackOffset() const {