[PATCH] D15071: [sanitizer] Detect an invalid answer in AtosSymbolizer

[Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL254301: [sanitizer] Detect an invalid answer in AtosSymbolizer (authored by kuba.brecka).

Changed prior to commit:
  http://reviews.llvm.org/D15071?vs=41376&id=41399#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D15071

Files:
  compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_mac.cc

Index: compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_mac.cc
===================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_mac.cc
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_symbolizer_mac.cc
@@ -121,6 +121,12 @@
   const char *rest = trim;
   char *symbol_name;
   rest = ExtractTokenUpToDelimiter(rest, " (in ", &symbol_name);
+  if (rest[0] == '\0') {
+    InternalFree(symbol_name);
+    InternalFree(trim);
+    return false;
+  }
+
   if (internal_strncmp(symbol_name, "0x", 2) != 0)
     *out_name = symbol_name;
   else


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