Fixed bounds calculation for domestication

Bug: bounds was base,size but code used it as base, end.
2021-10-18 12:04:09 +01:00
parent ed10717dde
commit 93bb037c64
1 changed files with 2 additions and 4 deletions
--- a/src/backend/fixedglobalconfig.h
+++ b/src/backend/fixedglobalconfig.h
@@ -66,10 +66,8 @@ namespace snmalloc

      UNUSED(ls);
      auto address = address_cast(p);
-      auto bounds = Backend::Pagemap::get_bounds(nullptr);
-      if (
-        (address < bounds.first) || (address > bounds.second) ||
-        ((bounds.second - address) < sz))
+      auto [base, length] = Backend::Pagemap::get_bounds(nullptr);
+      if ((address - base > (length - sz)) || (length < sz))
      {
        return nullptr;
      }