From 2f2c975a4a100db21fb4c353afed05085125a354 Mon Sep 17 00:00:00 2001
From: Nikita Smith <git.nikita.smith@gmail.com>
Date: Mon, 18 May 2026 17:34:59 -0700
Subject: [PATCH] unpoison released memory

---
 src/base/base_arena.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/base/base_arena.c b/src/base/base_arena.c
index c83db36f..f765f700 100644
--- a/src/base/base_arena.c
+++ b/src/base/base_arena.c
@@ -168,6 +168,7 @@ arena_release(Arena *arena)
   for(Arena *n = arena->current, *prev = 0; n != 0; n = prev)
   {
     prev = n->prev;
+    AsanUnpoisonMemoryRegion(n, n->cmt);
     release_memory(n, n->res);
   }
 }
@@ -324,6 +325,7 @@ arena_pop_to(Arena *arena, U64 pos)
   for(Arena *prev = 0; current->base_pos >= big_pos; current = prev)
   {
     prev = current->prev;
+    AsanUnpoisonMemoryRegion(current, current->cmt);
     release_memory(current, current->res);
   }
 #endif