File _service:obs_scm:backport-CVE-2024-41130.patch of Package llama.cpp

From 07283b1a90e1320aae4762c7e03c879043910252 Mon Sep 17 00:00:00 2001
From: Georgi Gerganov <ggerganov@gmail.com>
Date: Sat, 20 Jul 2024 17:15:42 +0300
Subject: [PATCH] gguf : handle null name during init (#8587)

---
 examples/gguf/gguf.cpp | 5 +++++
 ggml.c        | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/examples/gguf/gguf.cpp b/examples/gguf/gguf.cpp
index 57514377..7498f85e 100644
--- a/examples/gguf/gguf.cpp
+++ b/examples/gguf/gguf.cpp
@@ -92,6 +92,11 @@ static bool gguf_ex_read_0(const std::string & fname) {
 
     struct gguf_context * ctx = gguf_init_from_file(fname.c_str(), params);
 
+    if (!ctx) {
+        fprintf(stderr, "%s: failed to load '%s'\n", __func__, fname.c_str());
+        return false;
+    }
+
     printf("%s: version:      %d\n", __func__, gguf_get_version(ctx));
     printf("%s: alignment:   %zu\n", __func__, gguf_get_alignment(ctx));
     printf("%s: data offset: %zu\n", __func__, gguf_get_data_offset(ctx));
diff --git a/ggml.c b/ggml.c
index 7a39c685..dbb3a3eb 100644
--- a/ggml.c
+++ b/ggml.c
@@ -21015,7 +21015,7 @@ struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_p
             gguf_tensor_info_sanitize(info);
 
             // make sure there is no duplicated tensor names
-            for (uint64_t j = 0; j < i; ++j) {
+            for (uint64_t j = 0; j < i && ok; ++j) {
                 if (strcmp(info->name.data, ctx->infos[j].name.data) == 0) {
                     fprintf(stderr, "%s: duplicated tensor name %s\n", __func__, info->name.data);
                     ok = false;
-- 
2.20.1