utils: allow cross-device resolution

This is needed to enable containers without a rootfs. Fixes: #3607 Cc: stable-4.0 Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

utils: allow cross-device resolution
1f253dbe · Christian Brauner · 40281306 · 1f253dbe
Unverified Commit 1f253dbe authored Dec 27, 2020 by Christian Brauner
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utils.c src/lxc/utils.c +1 -1

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--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -1082,7 +1082,7 @@ int __safe_mount_beneath_at(int beneath_fd, const char *src, const char *dst, co
 	__do_close int source_fd = -EBADF, target_fd = -EBADF;
 	struct lxc_open_how how = {
 		.flags		= O_RDONLY | O_CLOEXEC | O_PATH,
-		.resolve	= RESOLVE_NO_XDEV | RESOLVE_NO_SYMLINKS | RESOLVE_NO_MAGICLINKS | RESOLVE_BENEATH,
+		.resolve	= RESOLVE_NO_SYMLINKS | RESOLVE_NO_MAGICLINKS | RESOLVE_BENEATH,
 	};
 	int ret;
 	char src_buf[LXC_PROC_PID_FD_LEN], tgt_buf[LXC_PROC_PID_FD_LEN];