---
id: pr-sglang-12295
repo: sgl-project/sglang
pr: 12295
title: fix seqlen bug for trtllm_mla's draft_extend
author: bmac3
date: '2025-10-28'
url: https://github.com/sgl-project/sglang/pull/12295
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 8d6ab1cb88b5d00ea67a67df01b4077e23a489fe
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/trtllm_mla_backend.py
head_ref_oid: d1cab227dd316f8a9c24235187e39dee671c4024
artifact_dir: evidence/pull-bundles/sglang/gh-12295
---
# fix seqlen bug for trtllm_mla's draft_extend

- Repository: `sgl-project/sglang`
- PR: [12295](https://github.com/sgl-project/sglang/pull/12295)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/trtllm_mla_backend.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12295`
