fix crash in Descriptor::parse_desc found by fuzzer #809
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When parsing a descriptor with `Descriptor::parse_descriptor`, we first parse as a string and then parse the keys. We fail to consider parsing errors in the keys, resulting in a panic. Also, clean up the panic message so it's clearer what's going on.
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Bug originates in #493 |
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code review ACK 6bff186; haven't tested |
i-am-yuvi
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Tested and Code Review ACK 6bff186
cargo test regression_806
Compiling miniscript v13.0.0 (...rust-miniscript)
Finished `test` profile [unoptimized + debuginfo] target(s) in 3.99s
Running unittests src/lib.rs (target/debug/deps/miniscript-0203e4fe382223fb)
running 1 test
test descriptor::tests::regression_806 ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 119 filtered out; finished in 0.00s
sanket1729
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Apr 28, 2025
apoelstra
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212d78a bump patch version of 12.3 (Andrew Poelstra) 4c6366a add regression test for #806 (Andrew Poelstra) 4823d86 descriptor: fix key parsing error handling in parse_desc (Andrew Poelstra) Pull request description: Backports #809 and does another patch release. ACKs for top commit: sanket1729: reACK 212d78a Tree-SHA512: c95651f29e1bcb4e8c8036b2a74443c3fd818d39c259852d5c35f0f5ef88fbbe18b312eb7e4d29c39a4af8e9660871fbe998d86c9d21a3d502f1d9854f6f7a43
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Thanks to Bruno Garcia and i-am-yuvi who independently found this crash and reported it to me.
Fixes #806
Needs backport.