From 8cffd6ed082b996040ae8c64302e594b1368d272 Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Mon, 16 Sep 2019 17:43:55 -0400
Subject: [PATCH] Avoid ASAN Failure in ZSTD_cwksp_free()

---
 lib/compress/zstd_cwksp.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/compress/zstd_cwksp.h b/lib/compress/zstd_cwksp.h
index f6068127b..bae5b654d 100644
--- a/lib/compress/zstd_cwksp.h
+++ b/lib/compress/zstd_cwksp.h
@@ -478,9 +478,10 @@ MEM_STATIC size_t ZSTD_cwksp_create(ZSTD_cwksp* ws, size_t size, ZSTD_customMem
 }
 
 MEM_STATIC void ZSTD_cwksp_free(ZSTD_cwksp* ws, ZSTD_customMem customMem) {
+    void *ptr = ws->workspace;
     DEBUGLOG(4, "cwksp: freeing workspace");
-    ZSTD_free(ws->workspace, customMem);
     memset(ws, 0, sizeof(ZSTD_cwksp));
+    ZSTD_free(ptr, customMem);
 }
 
 /**