28 lines
1.6 KiB
Plaintext
28 lines
1.6 KiB
Plaintext
error: Undefined Behavior: reading 16 bytes of memory starting at ALLOC, but 12 bytes are uninitialized starting at ALLOC+0x4, and this operation requires initialized memory
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--> RUSTLIB/core/src/slice/cmp.rs:LL:CC
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LL | let mut order = unsafe { memcmp(left.as_ptr(), right.as_ptr(), len) as isize };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ reading 16 bytes of memory starting at ALLOC, but 12 bytes are uninitialized starting at ALLOC+0x4, and this operation requires initialized memory
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= help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
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= help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
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= note: backtrace:
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= note: inside `<u8 as core::slice::cmp::SliceOrd>::compare` at RUSTLIB/core/src/slice/cmp.rs:LL:CC
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= note: inside `core::slice::cmp::<impl std::cmp::Ord for [u8]>::cmp` at RUSTLIB/core/src/slice/cmp.rs:LL:CC
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note: inside `main` at $DIR/uninit_buffer.rs:LL:CC
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--> $DIR/uninit_buffer.rs:LL:CC
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LL | drop(slice1.cmp(slice2));
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| ^^^^^^^^^^^^^^^^^^
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note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
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Uninitialized read occurred at offsets 0x4..0x10 into this allocation:
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ALLOC (Rust heap, size: 32, align: 8) {
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0x00 │ 41 42 43 44 __ __ __ __ __ __ __ __ __ __ __ __ │ ABCD░░░░░░░░░░░░
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0x10 │ 00 __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ │ .░░░░░░░░░░░░░░░
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}
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error: aborting due to previous error
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