From: bfis <b.fis@cern.ch>
Date: Wed, 6 Jan 2021 12:22:04 +0000 (+0100)
Subject: Avoid 2GB read limitation on SSLIOStream
X-Git-Tag: v6.2.0b1~54^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d04e775212ccd2d03e4ee79407c8cb996ae0f738;p=thirdparty%2Ftornado.git

Avoid 2GB read limitation on SSLIOStream
---

diff --git a/tornado/iostream.py b/tornado/iostream.py
index 768b404b1..9d8d9c7fb 100644
--- a/tornado/iostream.py
+++ b/tornado/iostream.py
@@ -1587,6 +1587,8 @@ class SSLIOStream(IOStream):
                 # to read (attempting to read may or may not raise an exception
                 # depending on the SSL version)
                 return None
+            if len(buf) >> 30:
+                buf = memoryview(buf)[: 1 << 30] 
             try:
                 return self.socket.recv_into(buf, len(buf))
             except ssl.SSLError as e: