From 3d6ba27f4ffef372d9a41bc488ca329c2786187f Mon Sep 17 00:00:00 2001
From: cuiweixie <cuiweixie@gmail.com>
Date: Fri, 12 Aug 2022 16:47:31 +0000
Subject: net/http: don't panic on very large MaxBytesReaderLimit

Fixes #54408

Change-Id: I454199ae5bcd087b8fc4169b7622412105e71113
GitHub-Last-Rev: a33fe7e206d0c394440962acd360df3aa9b117c3
GitHub-Pull-Request: golang/go#54415
Reviewed-on: https://go-review.googlesource.com/c/go/+/423314
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: xie cui <523516579@qq.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: hopehook <hopehook@qq.com>
---
 src/net/http/request_test.go | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/net/http/request_test.go')

diff --git a/src/net/http/request_test.go b/src/net/http/request_test.go
index ce673d34a2..672c01c387 100644
--- a/src/net/http/request_test.go
+++ b/src/net/http/request_test.go
@@ -982,6 +982,12 @@ func TestMaxBytesReaderDifferentLimits(t *testing.T) {
 			wantN:   len(testStr),
 			wantErr: false,
 		},
+		10: { /* Issue 54408 */
+			limit:   int64(1<<63-1),
+			lenP:    len(testStr),
+			wantN:   len(testStr),
+			wantErr: false,
+		},
 	}
 	for i, tt := range tests {
 		rc := MaxBytesReader(nil, io.NopCloser(strings.NewReader(testStr)), tt.limit)
-- 
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