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fixup fuzzer message #6936

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Merged
joseph-isaacs merged 1 commit into from
Mar 13, 2026
Merged

fixup fuzzer message #6936

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47 changes: 8 additions & 39 deletions .github/scripts/fuzz_report/templates/new_issue.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,14 @@
- **Commit**: {{COMMIT}}
- **Crash Artifact**: {{ARTIFACT_URL}}

### Reproduction
### Reproduce

```bash
cargo +nightly fuzz run -D --sanitizer=none {{FUZZ_TARGET}} ./fuzz/artifacts/{{FUZZ_TARGET}}/{{CRASH_FILE}} -- -rss_limit_mb=0
```

<details>
<summary>First-time setup: download and extract the crash artifact</summary>

1. Download the crash artifact:
- **Direct download**: {{ARTIFACT_URL}}
Expand All @@ -44,52 +49,16 @@
- You can create a `./fuzz/artifacts` directory that will be git-ignored in the `vortex` repo
- Full path would be `./fuzz/artifacts/{{FUZZ_TARGET}}/{{CRASH_FILE}}`

2. Reproduce locally:

```bash
cargo +nightly fuzz run -D --sanitizer=none {{FUZZ_TARGET}} /path/to/crash_file -- -rss_limit_mb=0
```

3. Get a backtrace:

```bash
RUST_BACKTRACE=1 cargo +nightly fuzz run -D --sanitizer=none {{FUZZ_TARGET}} /path/to/crash_file -- -rss_limit_mb=0
```

```bash
RUST_BACKTRACE=full cargo +nightly fuzz run -D --sanitizer=none {{FUZZ_TARGET}} /path/to/crash_file -- -rss_limit_mb=0
```

</details>

### Workflow Example

Assuming you download the zipfile to `~/Downloads`, and your working directory is the repository
root, you can follow these steps:

<details>
2. Assuming you download the zipfile to `~/Downloads`, and your working directory is the repository root:

```bash
# Create the artifacts directory if you haven't already.
mkdir -p ./fuzz/artifacts

# Move the zipfile.
mv ~/Downloads/{{FUZZ_TARGET}}-crash-artifacts.zip ./fuzz/artifacts/

# Unzip the zipfile.
unzip ./fuzz/artifacts/{{FUZZ_TARGET}}-crash-artifacts.zip -d ./fuzz/artifacts/

# You can remove the zipfile now if you want to.
rm ./fuzz/artifacts/{{FUZZ_TARGET}}-crash-artifacts.zip
```

You can now reproduce with:

```bash
cargo +nightly fuzz run -D --sanitizer=none {{FUZZ_TARGET}} ./fuzz/artifacts/{{FUZZ_TARGET}}/{{CRASH_FILE}} -- -rss_limit_mb=0
```

If you want a backtrace:
3. Get a backtrace:

```bash
RUST_BACKTRACE=1 cargo +nightly fuzz run -D --sanitizer=none {{FUZZ_TARGET}} ./fuzz/artifacts/{{FUZZ_TARGET}}/{{CRASH_FILE}} -- -rss_limit_mb=0
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