| error: Undefined Behavior: attempting a read access using <TAG> at ALLOC[0x0], but that tag does not exist in the borrow stack for this location |
| --> $DIR/pointer_smuggling.rs:LL:CC |
| | |
| LL | let _x = unsafe { *PTR }; |
| | ^^^^ |
| | | |
| | attempting a read access using <TAG> at ALLOC[0x0], but that tag does not exist in the borrow stack for this location |
| | this error occurs as part of an access at ALLOC[0x0..0x1] |
| | |
| = help: this indicates a potential bug in the program: it performed an invalid operation, but the Stacked Borrows rules it violated are still experimental |
| = help: see https://github.com/rust-lang/unsafe-code-guidelines/blob/master/wip/stacked-borrows.md for further information |
| help: <TAG> was created by a SharedReadWrite retag at offsets [0x0..0x1] |
| --> $DIR/pointer_smuggling.rs:LL:CC |
| | |
| LL | PTR = x; |
| | ^ |
| help: <TAG> was later invalidated at offsets [0x0..0x1] by a write access |
| --> $DIR/pointer_smuggling.rs:LL:CC |
| | |
| LL | *val = 2; // this invalidates any raw ptrs `fun1` might have created. |
| | ^^^^^^^^ |
| = note: BACKTRACE (of the first span): |
| = note: inside `fun2` at $DIR/pointer_smuggling.rs:LL:CC |
| note: inside `main` |
| --> $DIR/pointer_smuggling.rs:LL:CC |
| | |
| LL | fun2(); // if they now use a raw ptr they break our reference |
| | ^^^^^^ |
| |
| note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace |
| |
| error: aborting due to 1 previous error |
| |
