[PATCH] D102379: scudo: Check for UAF in ring buffer before OOB in more distant blocks.

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis added inline comments.


================
Comment at: compiler-rt/lib/scudo/standalone/combined.h:1325
 
-    if (CheckOOB(Info.BlockBegin))
+    if (MinDistance == 0 && CheckOOB(Info.BlockBegin))
       return;
----------------
Did you mean
```
if (CheckOOB(Info.BlockBegin) || MinDistance == 0)
```
?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102379/new/

https://reviews.llvm.org/D102379