---
id: pr-sglang-19902
repo: sgl-project/sglang
pr: 19902
title: Fix MLA decode path returning unwritten (padded) rows
author: clintg6
date: '2026-03-06'
url: https://github.com/sgl-project/sglang/pull/19902
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 27053aa5ed2d7e8f080720ec1ad96cbeb353bb59
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/aiter_backend.py
head_ref_oid: 9dfedc2b626dbfaca977c538d5335a3871bd6fa8
artifact_dir: evidence/pull-bundles/sglang/gh-19902
---
# Fix MLA decode path returning unwritten (padded) rows

- Repository: `sgl-project/sglang`
- PR: [19902](https://github.com/sgl-project/sglang/pull/19902)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-19902`
