[compiler-rt] 456974a - [sanitizer] Fix SymbolizedStack leak

[Vitaly Buka via llvm-commits]

Author: Vitaly Buka
Date: 2020-10-01T00:50:45-07:00
New Revision: 456974ac78f107d74b6db35401aff5ac4ab2665d

URL: https://github.com/llvm/llvm-project/commit/456974ac78f107d74b6db35401aff5ac4ab2665d
DIFF: https://github.com/llvm/llvm-project/commit/456974ac78f107d74b6db35401aff5ac4ab2665d.diff

LOG: [sanitizer] Fix SymbolizedStack leak

Added: 
    

Modified: 
    compiler-rt/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cpp
index 4ef305cf1799..68bd0bb29629 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cpp
@@ -134,6 +134,7 @@ void __sanitizer_symbolize_pc(uptr pc, const char *fmt, char *out_buf,
   }
   CHECK(out_buf <= out_end);
   *out_buf = 0;
+  frame->ClearAll();
 }
 
 SANITIZER_INTERFACE_ATTRIBUTE