[compiler-rt] [scudo] [MTE] resize stack depot for allocation ring buffer (PR #74515)

Florian Mayer via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 3 12:44:18 PST 2024


================
@@ -1256,7 +1275,8 @@ class Allocator {
   }
 
   void storePrimaryAllocationStackMaybe(const Options &Options, void *Ptr) {
-    if (!UNLIKELY(Options.get(OptionBit::TrackAllocationStacks)))
+    if (!UNLIKELY(Options.get(OptionBit::TrackAllocationStacks)) ||
+        !RawRingBuffer)
----------------
fmayer wrote:

I don't think that is a good idea. In a follow up I make the RingBuffer atomic, so we need to load it and keep the pointer.

https://github.com/llvm/llvm-project/pull/74515


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