rust/tests/ui/sanitizer/badfree.rs

//@ needs-sanitizer-support
//@ needs-sanitizer-address
//@ ignore-cross-compile
//
//@ compile-flags: -Z sanitizer=address -O
//
//@ run-fail
//@ regex-error-pattern: AddressSanitizer: (SEGV|attempting free on address which was not malloc)

use std::ffi::c_void;

extern "C" {
    fn free(ptr: *mut c_void);
}

fn main() {
    unsafe {
        free(1 as *mut c_void);
    }
}