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Yuri Khrustalev
3737e41370
* metal : null-check ggml_metal_buffer_init result to avoid OOM crash ggml_backend_metal_buffer_type_alloc_buffer used the result of ggml_metal_buffer_init without checking for NULL. ggml_metal_buffer_init returns NULL when the underlying Metal allocation fails (e.g. an out-of-memory condition), and the following ggml_metal_buffer_is_shared(res) call dereferences it, turning a recoverable allocation failure into a hard crash (EXC_BAD_ACCESS). This is easy to hit on memory-constrained devices such as iOS when a model/context exceeds the available Metal budget. Log the failure using the existing GGML_LOG_ERROR convention and return NULL so the allocator surfaces a diagnosable error up the stack instead of crashing. * cont : fix log --------- Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>