From: Alexander Borisov <alexander.borisov@nginx.com>
Date: Mon, 1 Nov 2021 15:32:48 +0000 (+0300)
Subject: Fixed heap-use-after-free in await frame.
X-Git-Tag: 0.7.1~58
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=6f3f310f64c10598d8d911b2e1115909bc1b1d57;p=njs.git

Fixed heap-use-after-free in await frame.

The bug was introduced in 92d10cd761e2 (0.7.0).
---

diff --git a/src/njs_async.c b/src/njs_async.c
index b5f6c3a6..6a93cfd0 100644
--- a/src/njs_async.c
+++ b/src/njs_async.c
@@ -72,6 +72,8 @@ njs_await_fulfilled(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
     }
 
     async = ctx->await;
+    async->previous = vm->top_frame;
+
     function = async->function;
 
     cur_local = vm->levels[NJS_LEVEL_LOCAL];