diff --git a/tools/export-lora/export-lora.cpp b/tools/export-lora/export-lora.cpp
index e1bc4a2f3..cd7ac39d2 100644
--- a/tools/export-lora/export-lora.cpp
+++ b/tools/export-lora/export-lora.cpp
@@ -104,6 +104,9 @@ struct file_input {
         auto offset = gguf_get_data_offset(ctx_gguf) + gguf_get_tensor_offset(ctx_gguf, i_tensor_in);
         f_in.seekg(offset);
         f_in.read((char* )buf.data(), len);
+        if (!f_in) {
+            throw std::runtime_error("failed to read data for tensor " + name + ", input file may be truncated");
+        }
     }
 
     ~file_input() {
diff --git a/tools/gguf-split/gguf-split.cpp b/tools/gguf-split/gguf-split.cpp
index c6cdbb98e..173455938 100644
--- a/tools/gguf-split/gguf-split.cpp
+++ b/tools/gguf-split/gguf-split.cpp
@@ -362,6 +362,10 @@ struct split_strategy {
         }
         f_in.seekg(in_offset);
         f_in.read((char *)read_buf.data(), len);
+        if (!f_in) {
+            fprintf(stderr, "%s: failed to read %zu bytes at offset %zu, input file may be truncated\n", __func__, len, in_offset);
+            exit(EXIT_FAILURE);
+        }
         f_out.write((const char *)read_buf.data(), len);
     }
 };