common : ensure llama_batch size does not exceed max size (ggerganov#…

…9668) A crash was observed when the number of tokens added to a batch exceeds llama_batch size. An assertion in llama_batch_add was added to protect against llama_batch size overflow.
dsx1986 · Oct 29, 2024 · 81c9a70 · 81c9a70
1 parent f4f0ba0
commit 81c9a70
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/common/common.cpp b/common/common.cpp
@@ -1437,6 +1437,8 @@ void llama_batch_add(
                           llama_pos   pos,
     const std::vector<llama_seq_id> & seq_ids,
                                bool   logits) {
+    GGML_ASSERT(batch.seq_id[batch.n_tokens] && "llama_batch size exceeded");
+
     batch.token   [batch.n_tokens] = id;
     batch.pos     [batch.n_tokens] = pos;
     batch.n_seq_id[batch.n_tokens] = seq_ids.size();