Bunch of blank lines in prompt lead to SIGSEGV: segmentation violation in tokenizer with Qwen3

### What is the issue? ollama --version ollama version is 0.9.6 Easy to reproduce with any Qwen3 model ollama run qwen3:4b < 2015816475mini.txt Error: model runner has unexpectedly stopped, this may be due to resource limitations or an internal error, check ollama server logs for details This is related to https://github.com/ggml-org/llama.cpp/issues/14655 but ollama need a bigger file than llama.cpp to segfault [2015816475mini.txt](https://github.com/user-attachments/files/21200650/2015816475mini.txt) ### Relevant log output ```shell SIGSEGV: segmentation violation PC=0x5ddf2a493ab9 m=4 sigcode=2 addr=0x793f5895dfd8 signal arrived during cgo execution goroutine 26 gp=0xc000502540 m=4 mp=0xc000079808 [syscall]: runtime.cgocall(0x5ddf2a3718f0, 0xc00042b460) runtime/cgocall.go:167 +0x4b fp=0xc00042b438 sp=0xc00042b400 pc=0x5ddf296af8cb github.com/ollama/ollama/llama._Cfunc_llama_tokenize(0x793f440045c0, 0x793f50000b60, 0x9bec, 0xc000592000, 0x9bee, 0x1, 0x1) _cgo_gotypes.go:888 +0x4a fp=0xc00042b460 sp=0xc00042b438 pc=0x5ddf29a5e6ca github.com/ollama/ollama/llama.(*Model).Tokenize.func2(...) github.com/ollama/ollama/llama/llama.go:430 github.com/ollama/ollama/llama.(*Model).Tokenize(0xc000391df0, {0xc000564000, 0x9bec}, 0x1, 0x1) github.com/ollama/ollama/llama/llama.go:430 +0x15c fp=0xc00042b550 sp=0xc00042b460 pc=0x5ddf29a61b9c github.com/ollama/ollama/runner/llamarunner.(*Server).inputs(0xc0001de360, {0xc000564000?, 0xc00042b6c0?}, {0x5ddf2b34df00, 0x0, 0x64296aab00?}) github.com/ollama/ollama/runner/llamarunner/runner.go:179 +0x1d2 fp=0xc00042b678 sp=0xc00042b550 pc=0x5ddf29b19092 github.com/ollama/ollama/runner/llamarunner.(*Server).NewSequence(0xc0001de360, {0xc000564000, 0x9bec}, {0x5ddf2b34df00, 0x0, 0x0}, {0x14000, {0xc000236240, 0x2, 0x2}, ...}) github.com/ollama/ollama/runner/llamarunner/runner.go:105 +0xa5 fp=0xc00042b830 sp=0xc00042b678 pc=0x5ddf29b18765 github.com/ollama/ollama/runner/llamarunner.(*Server).c…