chore: import upstream snapshot with attribution

.github/CODEOWNERS

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+# This file defines code ownership rules for the repository.
+
+# Default ownership
+* @NVIDIA/trt-devs

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Report a TensorRT issue
+about: The more information you share, the more feedback we can provide.
+title: 'XXX failure of TensorRT X.Y when running XXX on GPU XXX'
+labels: ''
+assignees: ''
+
+---
+
+## Description
+
+<!--
+  A clear and concise description of the issue.
+
+  For example: I tried to run model ABC on GPU, but it fails with the error below (share a 2-3 line error log).
+-->
+
+
+## Environment
+
+<!-- Please share any setup information you know. This will help us to understand and address your case. -->
+
+**TensorRT Version**:
+
+**NVIDIA GPU**:
+
+**NVIDIA Driver Version**:
+
+**CUDA Version**:
+
+**CUDNN Version**:
+
+
+Operating System:
+
+Python Version (if applicable):
+
+Tensorflow Version (if applicable):
+
+PyTorch Version (if applicable):
+
+Baremetal or Container (if so, version):
+
+
+## Relevant Files
+
+<!-- Please include links to any models, data, files, or scripts necessary to reproduce your issue. (Github repo, Google Drive/Dropbox, etc.) -->
+
+**Model link**:
+
+
+## Steps To Reproduce
+
+<!--
+  Craft a minimal bug report following this guide - https://matthewrocklin.com/blog/work/2018/02/28/minimal-bug-reports
+
+  Please include:
+  * Exact steps/commands to build your repro
+  * Exact steps/commands to run your repro
+  * Full traceback of errors encountered
+-->
+
+**Commands or scripts**:
+
+**Have you tried [the latest release](https://developer.nvidia.com/tensorrt)?**:
+
+**Can this model run on other frameworks?** For example run ONNX model with ONNXRuntime (`polygraphy run <model.onnx> --onnxrt`):

.github/workflows/blossom-ci.yml

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+#
+# SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# A workflow to trigger ci on hybrid infra (github + self hosted runner)
+name: Blossom-CI
+on:
+  issue_comment:
+    types: [created]
+  workflow_dispatch:
+    inputs:
+      platform:
+        description: "runs-on argument"
+        required: false
+      args:
+        description: "argument"
+        required: false
+jobs:
+  Authorization:
+    name: Authorization
+    runs-on: blossom
+    outputs:
+      args: ${{ env.args }}
+
+    # This job only runs for pull request comments
+    if: |
+      github.event.comment.body == '/blossom-ci' &&
+      (
+        github.actor == 'rajeevsrao' ||
+        github.actor == 'kevinch-nv' ||
+        github.actor == 'ttyio' ||
+        github.actor == 'zerollzeng' ||
+        github.actor == 'nvpohanh' ||
+        github.actor == 'poweiw'
+      )
+    steps:
+      - name: Check if comment is issued by authorized person
+        run: blossom-ci
+        env:
+          OPERATION: "AUTH"
+          REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO_KEY_DATA: ${{ secrets.BLOSSOM_KEY }}
+
+  Vulnerability-scan:
+    name: Vulnerability scan
+    needs: [Authorization]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          repository: ${{ fromJson(needs.Authorization.outputs.args).repo }}
+          ref: ${{ fromJson(needs.Authorization.outputs.args).ref }}
+          lfs: "true"
+      - name: Run blossom action
+        uses: NVIDIA/blossom-action@main
+        env:
+          REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO_KEY_DATA: ${{ secrets.BLOSSOM_KEY }}
+        with:
+          args1: ${{ fromJson(needs.Authorization.outputs.args).args1 }}
+          args2: ${{ fromJson(needs.Authorization.outputs.args).args2 }}
+          args3: ${{ fromJson(needs.Authorization.outputs.args).args3 }}
+
+  Job-trigger:
+    name: Start ci job
+    needs: [Vulnerability-scan]
+    runs-on: blossom
+    steps:
+      - name: Start ci job
+        run: blossom-ci
+        env:
+          OPERATION: "START-CI-JOB"
+          CI_SERVER: ${{ secrets.CI_SERVER }}
+          REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  Upload-Log:
+    name: Upload log
+    runs-on: blossom
+    if: github.event_name == 'workflow_dispatch'
+    steps:
+      - name: Jenkins log for pull request ${{ fromJson(github.event.inputs.args).pr }} (click here)
+        run: blossom-ci
+        env:
+          OPERATION: "POST-PROCESSING"
+          CI_SERVER: ${{ secrets.CI_SERVER }}
+          REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/docker-image.yml

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+name: Docker Image CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+
+  build-ubuntu2004:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build TensorRT-OSS ubuntu20.04 container
+      run: docker build . --file docker/ubuntu-20.04.Dockerfile --build-arg uid=1000 --build-arg gid=1000 --tag tensorrt-ubuntu20.04:$(date +%s)

.github/workflows/feedback-update.yml

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+name: Remove feedback label on comment
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  remove_label:
+    runs-on: ubuntu-latest
+    if: github.event.issue.user.id == github.event.comment.user.id
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-ecosystem/action-remove-labels@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          labels: "waiting for feedback"

.github/workflows/label_issue.yml

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+name: Label New Issues
+
+on:
+  issues:
+    types: [opened]
+
+permissions:
+  issues: write
+  contents: read
+
+jobs:
+  label-issue:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout private action repository
+        uses: actions/checkout@v4
+        with:
+          repository: NVIDIA/goggles_action
+          path: ./.github/actions/goggles_action # local path to store the action
+          ref: v1.3.0
+
+      - name: AI Label Issue
+        uses: ./.github/actions/goggles_action/actions/llm_label
+        with:
+          ACTION_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          LLM_MODEL_NAME: ${{ secrets.LLM_MODEL_NAME }}
+          LLM_TOKEN_SERVER_URL: ${{ secrets.LLM_TOKEN_SERVER_URL }}
+          LLM_TOKEN_CLIENT_ID: ${{ secrets.LLM_TOKEN_CLIENT_ID }}
+          LLM_TOKEN_CLIENT_SECRET: ${{ secrets.LLM_TOKEN_CLIENT_SECRET }}
+          LLM_GENERATE_URL: ${{ secrets.LLM_GENERATE_URL }}
+          LLM_TOKEN_SCOPE: ${{ secrets.LLM_TOKEN_SCOPE }}
+          REPO_OWNER: ${{ github.repository_owner }}
+          REPO_NAME: ${{ github.event.repository.name }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          ISSUE_TITLE: ${{ github.event.issue.title }}
+          ISSUE_BODY: ${{ github.event.issue.body }}
+          GITHUB_API_URL: ${{ github.api_url }}
+          ACTIONS_STEP_VERBOSE: false
+          EXCLUDED_LABELS: "Investigating,internal-bug-tracked,stale,triaged,wontfix"
+          LLM_SYSTEM_PROMPT: |
+            You are an expert GitHub issue labeler. Your task is to analyze the provided issue title, issue body, and a list of available labels with their descriptions.
+            Based on this information, select the single most appropriate label from the list that best captures the primary issue or request.
+            Prefer selecting only one label that represents the main topic or problem. Only suggest multiple labels if the issue genuinely spans multiple distinct areas that are equally important.
+            Respond with ONLY the chosen label name (e.g., 'bug', 'feature-request') or comma-separated names if multiple are truly needed.
+            If no labels seem appropriate, respond with 'NONE'.
+            Do not add any other text, explanation, or markdown formatting.

.github/workflows/stale.yml

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+name: Label and close inactive issues
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 * * * *"
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+
+    steps:
+      - uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          stale-issue-message: 'Issue has not received an update in over 14 days. Adding stale label.  Please note the issue will be closed in 14 days after being marked stale if there is no update.'
+          stale-pr-message: 'PR has not received an update in over 14 days. Adding stale label.  Please note the PR will be closed in 14 days after being marked stale if there is no update.'
+          close-issue-message: 'This issue was closed because it has been 14 days without activity since it has been marked as stale.'
+          close-pr-message: 'This PR was closed because it has been 14 days without activity since it has been marked as stale.'
+          days-before-issue-stale: 14
+          days-before-close: 14
+          only-labels: 'waiting for feedback'
+          labels-to-add-when-unstale: 'investigating'
+          labels-to-remove-when-unstale: 'stale,waiting for feedback'
+          stale-issue-label: 'stale'
+          stale-pr-label: 'stale'