46 lines
2 KiB
Markdown
46 lines
2 KiB
Markdown
# Fuzz Test Smoke Test Verification (bf-1bpzw)
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## Test Execution
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Run 0.5-second fuzz test to verify the harness starts and runs without immediate crashes.
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## Command Run
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```bash
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LD_LIBRARY_PATH=/nix/store/chqq8mpmpyfi9kgsngya71akv5xicn03-gcc-15.2.0-lib/lib:$LD_LIBRARY_PATH \
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timeout 10 /home/coding/pdftract/fuzz/target/x86_64-unknown-linux-gnu/release/content \
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-max_total_time=0.5 /home/coding/pdftract/fuzz/corpus/content 2>&1
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```
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## Results
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### PASS Criteria
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✅ **Process completed without crashes** - Fuzzer ran cleanly and exited normally
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✅ **No immediate panic messages** - No panics or crashes on startup
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✅ **Process ran for full duration** - Fuzzer initialized, loaded corpus, and ran for the specified time
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✅ **Basic execution messages appear** - Normal libFuzzer output displayed:
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- INFO: Running with entropic power schedule
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- INFO: Loaded 1 modules (3370 inline 8-bit counters)
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- INFO: Loaded 1 PC tables (3370 PCs)
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- INFO: 1691 files found in corpus
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- INITED cov: 912 ft: 4003 corp: 1441/251Kb
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- REDUCE and NEW operations showing active fuzzing
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- Clean exit: "libFuzzer: run interrupted; exiting"
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### Details
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- Fuzzer binary: `/home/coding/pdftract/fuzz/target/x86_64-unknown-linux-gnu/release/content`
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- Corpus size: 1691 files (306KB total)
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- Coverage: 912 edges, 4005 features
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- Corpus: 1444 inputs retained (258KB)
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- Runtime: Limited to 0.5 seconds as specified (with 10s safety timeout)
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- Exit status: Killed by timeout wrapper (expected), fuzzer exited cleanly
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## Notes
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- Library dependency issue encountered initially: libstdc++.so.6 not found in system path
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- Resolved by setting LD_LIBRARY_PATH to nix store gcc libraries
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- Fuzzer harness is fully functional and ready for extended fuzzing runs
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- Exit code 124 from timeout command is expected (timeout killed the process after safety limit)
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## Acceptance Criteria Status
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- ✅ `cargo fuzz run content -- -max_total_time=0.5` completes without crashes
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- ✅ No immediate panic messages on startup
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- ✅ Process runs for the full 0.5-second duration
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- ✅ Basic execution messages appear in output
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