29 lines
1.5 KiB
Plaintext
29 lines
1.5 KiB
Plaintext
error: Undefined Behavior: trying to reborrow from <TAG> for Unique permission at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
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--> $DIR/buggy_split_at_mut.rs:LL:CC
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LL | let (a, b) = safe::split_at_mut(&mut array, 0);
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| ^
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| trying to reborrow from <TAG> for Unique permission at ALLOC[0x0], but that tag does not exist in the borrow stack for this location
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| this error occurs as part of a reborrow at ALLOC[0x0..0x10]
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= help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental
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= help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information
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help: <TAG> was created by a retag at offsets [0x0..0x10]
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--> $DIR/buggy_split_at_mut.rs:LL:CC
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LL | from_raw_parts_mut(ptr, len - mid), // BUG: should be "mid" instead of "len - mid"
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: <TAG> was later invalidated at offsets [0x0..0x10]
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--> $DIR/buggy_split_at_mut.rs:LL:CC
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LL | from_raw_parts_mut(ptr.offset(mid as isize), len - mid),
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: backtrace:
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= note: inside `main` at $DIR/buggy_split_at_mut.rs:LL:CC
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note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
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error: aborting due to previous error
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