From d2be675575512794dcd41b9683b209fc15368154 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronagy@icloud.com>
Date: Sat, 4 Feb 2023 12:44:01 +0100
Subject: [PATCH] fix: bad buffer slice

---
 lib/client.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/client.js b/lib/client.js
index 2dd689a6f09..496c568d732 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -363,7 +363,7 @@ async function lazyllhttp () {
       },
       wasm_on_status: (p, at, len) => {
         assert.strictEqual(currentParser.ptr, p)
-        const start = at - currentBufferPtr
+        const start = at - currentBufferPtr + currentBufferRef.byteOffset
         return currentParser.onStatus(new FastBuffer(currentBufferRef.buffer, start, len)) || 0
       },
       wasm_on_message_begin: (p) => {
@@ -372,12 +372,12 @@ async function lazyllhttp () {
       },
       wasm_on_header_field: (p, at, len) => {
         assert.strictEqual(currentParser.ptr, p)
-        const start = at - currentBufferPtr
+        const start = at - currentBufferPtr + currentBufferRef.byteOffset
         return currentParser.onHeaderField(new FastBuffer(currentBufferRef.buffer, start, len)) || 0
       },
       wasm_on_header_value: (p, at, len) => {
         assert.strictEqual(currentParser.ptr, p)
-        const start = at - currentBufferPtr
+        const start = at - currentBufferPtr + currentBufferRef.byteOffset
         return currentParser.onHeaderValue(new FastBuffer(currentBufferRef.buffer, start, len)) || 0
       },
       wasm_on_headers_complete: (p, statusCode, upgrade, shouldKeepAlive) => {
@@ -386,7 +386,7 @@ async function lazyllhttp () {
       },
       wasm_on_body: (p, at, len) => {
         assert.strictEqual(currentParser.ptr, p)
-        const start = at - currentBufferPtr
+        const start = at - currentBufferPtr + currentBufferRef.byteOffset
         return currentParser.onBody(new FastBuffer(currentBufferRef.buffer, start, len)) || 0
       },
       wasm_on_message_complete: (p) => {