From: Keno Fischer <keno@juliacomputing.com>

Signed-off-by: Keno Fischer <keno@juliacomputing.com>
Signed-off-by: Will Cohen <wwcohen@gmail.com>
---
 hw/9pfs/9p.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 97dc8b246f..3fc43cb482 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -3927,6 +3927,14 @@ out_nofid:
     v9fs_string_free(&name);
 }
 
+#if defined(CONFIG_DARWIN) && !defined(XATTR_SIZE_MAX)
+/*
+ * Darwin doesn't seem to define a maximum xattr size in its user
+ * space header, but looking at the kernel source, HFS supports
+ *  up to INT32_MAX, so use that as the maximum.
+ */
+#define XATTR_SIZE_MAX INT32_MAX
+#endif
 static void coroutine_fn v9fs_xattrcreate(void *opaque)
 {
     int flags, rflags = 0;
-- 
2.33.0