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Manually test that panicking from C will abort the process #290

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Merged
merged 1 commit into from
Apr 7, 2021
Merged

Manually test that panicking from C will abort the process #290

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3 changes: 3 additions & 0 deletions contrib/test.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,9 @@ if [ "$DO_ASAN" = true ]; then
cargo run --release --manifest-path=./no_std_test/Cargo.toml | grep -q "Verified Successfully"
fi

# Test if panic in C code aborts the process (either with a real panic or with SIGILL)
cargo test -- --ignored --exact 'tests::test_panic_raw_ctx_should_terminate_abnormally' 2>&1 | tee /dev/stderr | grep "SIGILL\\|panicked at '\[libsecp256k1\]"

# Bench
if [ "$DO_BENCH" = true ]; then
cargo bench --all --features="unstable"
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10 changes: 4 additions & 6 deletions src/lib.rs
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Expand Up @@ -938,14 +938,12 @@ mod tests {

#[cfg(not(target_arch = "wasm32"))]
#[test]
#[should_panic]
fn test_panic_raw_ctx() {
#[ignore] // Panicking from C may trap (SIGILL) intentionally, so we test this manually.
fn test_panic_raw_ctx_should_terminate_abnormally() {
let ctx_vrfy = Secp256k1::verification_only();
let raw_ctx_verify_as_full = unsafe {Secp256k1::from_raw_all(ctx_vrfy.ctx)};
let (sk, _) = raw_ctx_verify_as_full.generate_keypair(&mut thread_rng());
let msg = Message::from_slice(&[2u8; 32]).unwrap();
// Try signing
raw_ctx_verify_as_full.sign(&msg, &sk);
// Generating a key pair in verify context will panic (ARG_CHECK).
raw_ctx_verify_as_full.generate_keypair(&mut thread_rng());
}

#[test]
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