From 960e5e3b46f211b3c4446ce8380e88404274dbce Mon Sep 17 00:00:00 2001
From: Ruben Ortlam <picard12@live.de>
Date: Tue, 13 Jan 2026 15:57:07 +0100
Subject: [PATCH] llama-mmap: fix direct-io loading fallback EOF exception
 (#18801)

---
 src/llama-mmap.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/llama-mmap.cpp b/src/llama-mmap.cpp
index 2da857b3aa..0c43495b11 100644
--- a/src/llama-mmap.cpp
+++ b/src/llama-mmap.cpp
@@ -244,11 +244,14 @@ struct llama_file::impl {
         }
         errno = 0;
         if (fd == -1) {
-            std::size_t ret = std::fread(ptr, len, 1, fp);
+            const size_t curr_off = tell();
+            const size_t to_read = std::min(len, size - curr_off);
+
+            std::size_t ret = std::fread(ptr, to_read, 1, fp);
             if (ferror(fp)) {
                 throw std::runtime_error(format("read error: %s", strerror(errno)));
             }
-            if (ret != 1) {
+            if (to_read > 0 && ret != 1) {
                 throw std::runtime_error("unexpectedly reached end of file");
             }
         } else {