From 464f558a456f8dd43609df066722cc5f0a0257bc Mon Sep 17 00:00:00 2001
From: Yash Tibrewal <yashkt@google.com>
Date: Mon, 1 Jul 2019 10:12:23 -0700
Subject: [PATCH] Increase the control message size

---
 src/core/lib/iomgr/tcp_posix.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/lib/iomgr/tcp_posix.cc b/src/core/lib/iomgr/tcp_posix.cc
index 889272f6299..0a2ef767598 100644
--- a/src/core/lib/iomgr/tcp_posix.cc
+++ b/src/core/lib/iomgr/tcp_posix.cc
@@ -435,7 +435,9 @@ static void tcp_do_read(grpc_tcp* tcp) {
   GPR_TIMER_SCOPE("tcp_do_read", 0);
   struct msghdr msg;
   struct iovec iov[MAX_READ_IOVEC];
-  char cmsgbuf[24 /*CMSG_SPACE(sizeof(int))*/];
+  char cmsgbuf
+      [128 /*CMSG_SPACE(sizeof(grpc_core::scm_timestamping)) + CMSG_SPACE(sizeof(int))*/
+  ];
   ssize_t read_bytes;
   size_t total_read_bytes = 0;