Fuzzing Crash: VortexError in array_ops

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Fuzzing Crash Report

Analysis

Crash Location: fuzz/fuzz_targets/array_ops.rs:33:execute_parent

Error Message:

Other error: Other error: Executed parent canonical dtype mismatch

Stack Trace

stack backtrace:
   0: __rustc::rust_begin_unwind
             at /rustc/db3e99bbab28c6ca778b13222becdea54533d908/library/std/src/panicking.rs:689:5
   1: core::panicking::panic_fmt
             at /rustc/db3e99bbab28c6ca778b13222becdea54533d908/library/core/src/panicking.rs:80:14
   2: panic_display<vortex_error::VortexError>
             at /rustc/db3e99bbab28c6ca778b13222becdea54533d908/library/core/src/panicking.rs:259:5
   3: __libfuzzer_sys_run
             at ./fuzz/fuzz_targets/array_ops.rs:33:19
   4: rust_fuzzer_test_input
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/src/lib.rs:363:60
   5: {closure#0}
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/src/lib.rs:62:9
   6: do_call<libfuzzer_sys::test_input_wrap::{closure_env#0}, i32>
             at /rustc/db3e99bbab28c6ca778b13222becdea54533d908/library/std/src/panicking.rs:581:40
   7: __rust_try
   8: catch_unwind<i32, libfuzzer_sys::test_input_wrap::{closure_env#0}>
             at /rustc/db3e99bbab28c6ca778b13222becdea54533d908/library/std/src/panicking.rs:544:19
   9: catch_unwind<libfuzzer_sys::test_input_wrap::{closure_env#0}, i32>
             at /rustc/db3e99bbab28c6ca778b13222becdea54533d908/library/std/src/panic.rs:359:14
  10: test_input_wrap
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/src/lib.rs:60:22
  11: _ZN6fuzzer6Fuzzer15ExecuteCallbackEPKhm
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/libfuzzer/FuzzerLoop.cpp:619:13
  12: _ZN6fuzzer10RunOneTestEPNS_6FuzzerEPKcm
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/libfuzzer/FuzzerDriver.cpp:335:6
  13: _ZN6fuzzer12FuzzerDriverEPiPPPcPFiPKhmE
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/libfuzzer/FuzzerDriver.cpp:871:9
  14: main
             at /home/runner/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libfuzzer-sys-0.4.12/libfuzzer/FuzzerMain.cpp:20:10
  15: <unknown>
  16: __libc_start_main
  17: _start

Summary

• Target: array_ops
• Crash File: crash-e9dadcdc3554f0421b0afcf37aa2d329c8f964b7
• Branch: develop
• Commit: 21a7cc8
• Crash Artifact: https://github.com/vortex-data/vortex/actions/runs/26288460313/artifacts/7161970821

Reproduce

cargo +nightly fuzz run -D --sanitizer=none array_ops ./fuzz/artifacts/array_ops/crash-e9dadcdc3554f0421b0afcf37aa2d329c8f964b7 -- -rss_limit_mb=0

Reproduction Steps

1. Download the crash artifact: https://github.com/vortex-data/vortex/actions/runs/26288460313/artifacts/7161970821

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

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

# Move the zipfile.
mv ~/Downloads/array_ops-crash-artifacts.zip ./fuzz/artifacts/

# Unzip the zipfile.
unzip ./fuzz/artifacts/array_ops-crash-artifacts.zip -d ./fuzz/artifacts/

# You can remove the zipfile now if you want to.
rm ./fuzz/artifacts/array_ops-crash-artifacts.zip

3. Reproduce the crash:

cargo +nightly fuzz run -D --sanitizer=none array_ops ./fuzz/artifacts/array_ops/crash-e9dadcdc3554f0421b0afcf37aa2d329c8f964b7 -- -rss_limit_mb=0

If you want a backtrace:

RUST_BACKTRACE=1 cargo +nightly fuzz run -D --sanitizer=none array_ops ./fuzz/artifacts/array_ops/crash-e9dadcdc3554f0421b0afcf37aa2d329c8f964b7 -- -rss_limit_mb=0

RUST_BACKTRACE=full cargo +nightly fuzz run -D --sanitizer=none array_ops ./fuzz/artifacts/array_ops/crash-e9dadcdc3554f0421b0afcf37aa2d329c8f964b7 -- -rss_limit_mb=0

Single command to get a backtrace

mkdir -p ./fuzz/artifacts
mv ~/Downloads/array_ops-crash-artifacts.zip ./fuzz/artifacts/
unzip ./fuzz/artifacts/array_ops-crash-artifacts.zip -d ./fuzz/artifacts/
rm ./fuzz/artifacts/array_ops-crash-artifacts.zip
RUST_BACKTRACE=1 cargo +nightly fuzz run -D --sanitizer=none array_ops ./fuzz/artifacts/array_ops/crash-e9dadcdc3554f0421b0afcf37aa2d329c8f964b7 -- -rss_limit_mb=0

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