[PATCH] D137354: [scudo] Extend basic test to cover zero size allocs.

Evgenii Stepanov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 3 13:25:20 PDT 2022


eugenis created this revision.
eugenis added a reviewer: pcc.
Herald added subscribers: Enna1, cryptoad.
Herald added a project: All.
eugenis requested review of this revision.
Herald added a project: Sanitizers.
Herald added a subscriber: Sanitizers.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D137354

Files:
  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
@@ -153,7 +153,7 @@
   for (scudo::uptr AlignLog = MinAlignLog; AlignLog <= 16U; AlignLog++) {
     const scudo::uptr Align = 1U << AlignLog;
     for (scudo::sptr Delta = -32; Delta <= 32; Delta++) {
-      if (static_cast<scudo::sptr>(1U << SizeLog) + Delta <= 0)
+      if (static_cast<scudo::sptr>(1U << SizeLog) + Delta < 0)
         continue;
       const scudo::uptr Size = (1U << SizeLog) + Delta;
       void *P = Allocator->allocate(Size, Origin, Align);


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