AFL++ run 13732252459: crashes or hangs found for read_json() on: 981c7a8573b254f8efd6b71f764c5c3bd924a53d

[fuzzerofducks]

Issue found by json_multi_param_fuzzer for duckdb commit hash 981c7a8573b254f8efd6b71f764c5c3bd924a53d

• crashes found: 15
• hangs found: 0

Scenario

duckdb:

• SHA: 981c7a8573b254f8efd6b71f764c5c3bd924a53d
• version: v1.3.0-dev1112 981c7a8573
• ref: main

fuzzer:

• scenrio: json_multi_param_fuzzer
• CI: duckdblabs/duckdb-fuzzer-ci -> Fuzz DuckDb File Readers -> run 13732252459
• reproduction files

Reproduction

steps:

1. download the json files generated by the fuzzer from https://github.com/duckdb/duckdb-fuzzer/tree/main/fuzz_result_duckdb_file_readers/run_13732252459/main-981c7a8573b254f8efd6b71f764c5c3bd924a53d/json_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_13732252459/main-981c7a8573b254f8efd6b71f764c5c3bd924a53d/json_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 json files
   https://github.com/duckdb/duckdb-fuzzer/tree/main/fuzz_result_duckdb_file_readers/run_13732252459/main-981c7a8573b254f8efd6b71f764c5c3bd924a53d/json_multi_param_fuzzer/json_multi_param_fuzzer-981c7a8573b254f8efd6b71f764c5c3bd924a53d.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.