From a7cfbb92a646fbd83cd3891226193906a006708f Mon Sep 17 00:00:00 2001
From: Wiktor Garbacz <wiktorg@google.com>
Date: Wed, 9 Oct 2019 02:47:13 -0700
Subject: [PATCH] Remove uneeded read-only remount

Caused failures if root is mounted as nodev, nosuid etc.
Root is pivoted and unmounted right after this anyhow.

PiperOrigin-RevId: 273707731
Change-Id: I75f1edaf2877c096e4f5bb7dc1b2bb8eb5c437a3
---
 sandboxed_api/sandbox2/namespace.cc | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sandboxed_api/sandbox2/namespace.cc b/sandboxed_api/sandbox2/namespace.cc
index d0664ce..99916b0 100644
--- a/sandboxed_api/sandbox2/namespace.cc
+++ b/sandboxed_api/sandbox2/namespace.cc
@@ -73,10 +73,6 @@ void PrepareChroot(const Mounts& mounts) {
 
   // Walk the tree and perform all the mount operations.
   mounts.CreateMounts(kSandbox2ChrootPath);
-
-  SAPI_RAW_PCHECK(
-      mount("/", "/", "", MS_BIND | MS_REMOUNT | MS_RDONLY, nullptr) != -1,
-      "Remounting / RO failed");
 }
 
 void TryDenySetgroups() {