[PATCH] D24485: [asan] Re-poison all redzones on activation

[Kostya Serebryany via llvm-commits]

kcc accepted this revision.
kcc added a comment.
This revision is now accepted and ready to land.

LGTM with a nit


================
Comment at: lib/asan/asan_allocator.cc:275
@@ +274,3 @@
+    uptr chunk_end = chunk + allocated_size;
+    if (chunk < beg && beg < end && end <= chunk_end) {
+      PoisonShadow(chunk, beg - chunk, kAsanHeapLeftRedzoneMagic);
----------------
add a comment why we have two paths here. 


Repository:
  rL LLVM

https://reviews.llvm.org/D24485