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-rw-r--r--fs/namespace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index f87a90b98da2..fe1c77145a78 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2967,6 +2967,8 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
/* mount new_root on / */
attach_mnt(new_mnt, real_mount(root_parent.mnt), root_mp);
touch_mnt_namespace(current->nsproxy->mnt_ns);
+ /* A moved mount should not expire automatically */
+ list_del_init(&new_mnt->mnt_expire);
unlock_mount_hash();
chroot_fs_refs(&root, &new);
put_mountpoint(root_mp);