AFL++ run 15775816430: crashes or hangs found for read_parquet() on: cf50006900c279280a6d39b21b3858bba916b35a

[fuzzerofducks]

Issue found by parquet_multi_param_fuzzer for duckdb commit hash cf50006900c279280a6d39b21b3858bba916b35a

• crashes found: 15
• hangs found: 0

Scenario

duckdb:

• SHA: cf50006900c279280a6d39b21b3858bba916b35a
• version: v1.4.0-dev836 (Development Version) cf50006900
• ref: main

fuzzer:

• scenrio: parquet_multi_param_fuzzer
• CI: duckdblabs/duckdb-fuzzer-ci -> Fuzz DuckDb File Readers -> run 15775816430
• reproduction files

Reproduction

steps:

1. download the parquet files generated by the fuzzer from https://github.com/duckdb/duckdb-fuzzer/tree/main/fuzz_result_duckdb_file_readers/run_15775816430/main-cf50006900c279280a6d39b21b3858bba916b35a/parquet_multi_param_fuzzer

git clone --no-checkout git@github.com:duckdb/duckdb-fuzzer.git afl_repr
cd afl_repr
git sparse-checkout set --no-cone fuzz_result_duckdb_file_readers/run_15775816430/main-cf50006900c279280a6d39b21b3858bba916b35a/parquet_multi_param_fuzzer
git checkout

2. copy the sqllogic test to a local duckdb repo; update the paths in the file to point to the location where you downloaded the parquet files
   https://github.com/duckdb/duckdb-fuzzer/tree/main/fuzz_result_duckdb_file_readers/run_15775816430/main-cf50006900c279280a6d39b21b3858bba916b35a/parquet_multi_param_fuzzer/parquet_multi_param_fuzzer-cf50006900c279280a6d39b21b3858bba916b35a.test

3. run the sqllogic tests to reproduce the error. Note that some crashes do not occur every run, so run multiple times if needed.