[PATCH] D152984: [scudo] Disable OddEvenTags by default.

Evgenii Stepanov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 15 16:37:28 PDT 2023


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGed552f2151ac: [scudo] Disable OddEvenTags by default. (authored by eugenis).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D152984/new/

https://reviews.llvm.org/D152984

Files:
  compiler-rt/lib/scudo/standalone/combined.h
  compiler-rt/lib/scudo/standalone/tests/combined_test.cpp


Index: compiler-rt/lib/scudo/standalone/tests/combined_test.cpp
===================================================================
--- compiler-rt/lib/scudo/standalone/tests/combined_test.cpp
+++ compiler-rt/lib/scudo/standalone/tests/combined_test.cpp
@@ -641,6 +641,7 @@
 
 SCUDO_TYPED_TEST(ScudoCombinedTest, OddEven) {
   auto *Allocator = this->Allocator.get();
+  Allocator->setOption(scudo::Option::MemtagTuning, M_MEMTAG_TUNING_BUFFER_OVERFLOW);
 
   if (!Allocator->useMemoryTaggingTestOnly())
     return;
Index: compiler-rt/lib/scudo/standalone/combined.h
===================================================================
--- compiler-rt/lib/scudo/standalone/combined.h
+++ compiler-rt/lib/scudo/standalone/combined.h
@@ -166,7 +166,6 @@
     if (allocatorSupportsMemoryTagging<Config>() &&
         systemSupportsMemoryTagging())
       Primary.Options.set(OptionBit::UseMemoryTagging);
-    Primary.Options.set(OptionBit::UseOddEvenTags);
 
     QuarantineMaxChunkSize =
         static_cast<u32>(getFlags()->quarantine_max_chunk_size);


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