From 4d0bb73149df5c8641c44fe91e4a0d3c67c09a23 Mon Sep 17 00:00:00 2001
From: utam0k <k0ma@utam0k.jp>
Date: Sat, 10 Jun 2023 07:59:39 +0000
Subject: [PATCH] Don't create a file when it already exists when mounting with
 bind

Signed-off-by: utam0k <k0ma@utam0k.jp>
---
 crates/libcontainer/src/rootfs/mount.rs | 2 +-
 hack/debug.bt                           | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/crates/libcontainer/src/rootfs/mount.rs b/crates/libcontainer/src/rootfs/mount.rs
index 647a71c69..e86e05efe 100644
--- a/crates/libcontainer/src/rootfs/mount.rs
+++ b/crates/libcontainer/src/rootfs/mount.rs
@@ -497,7 +497,7 @@ impl Mount {
                 err
             })?;
 
-            if src.is_file() {
+            if src.is_file() && !dest.exists() {
                 OpenOptions::new()
                     .create(true)
                     .write(true)
diff --git a/hack/debug.bt b/hack/debug.bt
index 6b1043300..4d2e78dc8 100755
--- a/hack/debug.bt
+++ b/hack/debug.bt
@@ -78,8 +78,6 @@ tracepoint:syscalls:sys_enter_setresuid
     printf("ruid=%d, euid=%d, suid=%d\n", args->ruid, args->euid, args->suid);
 }
 
-
-
 END
 {
     clear(@filename);