From f35b24e87c8893141ca44b8c6c926a1b8992adfb Mon Sep 17 00:00:00 2001
From: Kevin Pouget <kpouget@redhat.com>
Date: Thu, 29 Jan 2026 14:26:39 +0100
Subject: [PATCH] ggml-virtgpu: backend: don't crash if
 buft->iface.get_max_size is missing

---
 .../ggml-virtgpu/backend/backend-dispatched-buffer-type.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ggml/src/ggml-virtgpu/backend/backend-dispatched-buffer-type.cpp b/ggml/src/ggml-virtgpu/backend/backend-dispatched-buffer-type.cpp
index 3a97fbd956..d55eec2761 100644
--- a/ggml/src/ggml-virtgpu/backend/backend-dispatched-buffer-type.cpp
+++ b/ggml/src/ggml-virtgpu/backend/backend-dispatched-buffer-type.cpp
@@ -36,7 +36,11 @@ uint32_t backend_buffer_type_get_max_size(apir_encoder * enc, apir_decoder * dec
     ggml_backend_buffer_type_t buft;
     buft = apir_decode_ggml_buffer_type(dec);
 
-    size_t value = buft->iface.get_max_size(buft);
+    size_t value = SIZE_MAX;
+    if (buft->iface.get_max_size) {
+        value = buft->iface.get_max_size(buft);
+    }
+
     apir_encode_size_t(enc, &value);
 
     return 0;