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# Copyright Kani Contributors | ||
# SPDX-License-Identifier: Apache-2.0 OR MIT | ||
[workspace] | ||
members = ["crate-with-bug", "crate-with-harness"] | ||
resolver = "2" |
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# Copyright Kani Contributors | ||
# SPDX-License-Identifier: Apache-2.0 OR MIT | ||
[package] | ||
name = "crate-with-bug" | ||
version = "0.1.0" | ||
edition = "2021" | ||
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[dependencies] |
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tests/cargo-kani/storage-markers/crate-with-bug/src/lib.rs
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// Copyright Kani Contributors | ||
// SPDX-License-Identifier: Apache-2.0 OR MIT | ||
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// This function contains a use-after-free bug. | ||
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pub fn fn_with_bug() -> i32 { | ||
let raw_ptr = { | ||
let var = 10; | ||
&var as *const i32 | ||
}; | ||
unsafe { *raw_ptr } | ||
} |
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tests/cargo-kani/storage-markers/crate-with-harness/Cargo.toml
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# Copyright Kani Contributors | ||
# SPDX-License-Identifier: Apache-2.0 OR MIT | ||
[package] | ||
name = "crate-with-harness" | ||
version = "0.1.0" | ||
edition = "2021" | ||
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[dependencies] | ||
crate-with-bug = { path = "../crate-with-bug" } |
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tests/cargo-kani/storage-markers/crate-with-harness/call_fn_with_bug.expected
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Status: FAILURE\ | ||
Description: "dereference failure: dead object"\ | ||
in function crate_with_bug::fn_with_bug |
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tests/cargo-kani/storage-markers/crate-with-harness/src/lib.rs
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// Copyright Kani Contributors | ||
// SPDX-License-Identifier: Apache-2.0 OR MIT | ||
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// This test checks that Kani captures the case of a use-after-free issue as | ||
// described in https://github.com/model-checking/kani/issues/3061 even across | ||
// crates. The test calls a function from another crate that has the bug. | ||
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#[kani::proof] | ||
pub fn call_fn_with_bug() { | ||
let _x = crate_with_bug::fn_with_bug(); | ||
} |