---
id: pr-flashinfer-1286
repo: flashinfer-ai/flashinfer
pr: 1286
title: fix multiCtasKvScratchPtr misalignment issue (new one)
author: nvpohanh
date: '2025-07-18'
url: https://github.com/flashinfer-ai/flashinfer/pull/1286
source_category: upstream-code
architectures:
- sm100
tags:
- flash-attention
techniques: []
hardware_features: []
kernel_types:
- flash-attention
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: e885dd0c985b7f90e668949e26aad52c02c7e074
inclusion_reason: kernel file changes
changed_paths:
- csrc/trtllm_fmha_kernel_launcher.cu
head_ref_oid: bb89ca5a0d1ec590bcadaea637df20287a9845c5
artifact_dir: evidence/pull-bundles/flashinfer/gh-1286
---
# fix multiCtasKvScratchPtr misalignment issue (new one)

- Repository: `flashinfer-ai/flashinfer`
- PR: [1286](https://github.com/flashinfer-ai/flashinfer/pull/1286)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/trtllm_fmha_kernel_launcher.cu`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1286`
