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fix(invariant): call override strategy panic #7469

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merged 2 commits into from Mar 22, 2024

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grandizzy
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@grandizzy grandizzy commented Mar 22, 2024

Motivation

Closes #4245

The application panicked (crashed).
Message:  no entry found for key
Location: crates/evm/fuzz/src/strategies/invariants.rs:29

This is a bug. Consider reporting it at https://github.com/foundry-rs/foundry

  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
                                ⋮ 7 frames hidden ⋮                               
   8: core::option::expect_failed::hc85eb6037a3050f7
      at <unknown source file>:<unknown line>
   9: <proptest::strategy::map::Map<S,F> as proptest::strategy::traits::ValueTree>::current::h5c49d6f755e96fbf
      at <unknown source file>:<unknown line>
  10: <proptest::strategy::flatten::Flatten<S> as proptest::strategy::traits::Strategy>::new_tree::hd1899ce2fdb532df
      at <unknown source file>:<unknown line>
  11: <proptest::strategy::traits::BoxedStrategyWrapper<T> as proptest::strategy::traits::Strategy>::new_tree::h21d88ddf93eea8c3

Solution

  • check if target address is in list of fuzzed run identified contracts, if it is not then choose a random one
  • updated InvariantReentrancy test to cover panic scenario

@grandizzy grandizzy marked this pull request as ready for review March 22, 2024 10:52
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@mattsse mattsse left a comment

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that makes sense, thanks!

@mattsse mattsse merged commit 9d2125b into foundry-rs:master Mar 22, 2024
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Successfully merging this pull request may close these issues.

bug(forge): call_override to have same size as the number of (unsafe) external calls of the sequence
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