61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
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#![allow(non_camel_case_types)]
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// Verifies that labels are propagated through loads and stores.
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//
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//@ needs-sanitizer-support
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//@ needs-sanitizer-dataflow
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//@ run-pass
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//@ compile-flags: -Zsanitizer=dataflow -Zsanitizer-dataflow-abilist={{src-base}}/sanitizer/dataflow-abilist.txt
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use std::mem::size_of;
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use std::os::raw::{c_int, c_long, c_void};
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type dfsan_label = u8;
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extern "C" {
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fn dfsan_add_label(label: dfsan_label, addr: *mut c_void, size: usize);
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fn dfsan_get_label(data: c_long) -> dfsan_label;
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fn dfsan_has_label(label: dfsan_label, elem: dfsan_label) -> c_int;
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fn dfsan_read_label(addr: *const c_void, size: usize) -> dfsan_label;
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fn dfsan_set_label(label: dfsan_label, addr: *mut c_void, size: usize);
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}
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fn propagate2(i: &i64) -> i64 {
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i.clone()
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}
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fn propagate(i: i64) -> i64 {
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let v = vec!(i, 1, 2, 3);
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let j = v.iter().sum();
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propagate2(&j)
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}
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pub fn main() {
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let mut i = 1i64;
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let i_ptr = &mut i as *mut i64;
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let i_label: dfsan_label = 1;
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unsafe {
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dfsan_set_label(i_label, i_ptr as *mut c_void, size_of::<i64>());
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}
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let new_label = unsafe { dfsan_get_label(i) };
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assert_eq!(i_label, new_label);
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let read_label = unsafe { dfsan_read_label(i_ptr as *const c_void, size_of::<i64>()) };
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assert_eq!(i_label, read_label);
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let j_label: dfsan_label = 2;
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unsafe {
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dfsan_add_label(j_label, i_ptr as *mut c_void, size_of::<i64>());
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}
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let read_label = unsafe { dfsan_read_label(i_ptr as *const c_void, size_of::<i64>()) };
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assert_eq!(unsafe { dfsan_has_label(read_label, i_label) }, 1);
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assert_eq!(unsafe { dfsan_has_label(read_label, j_label) }, 1);
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let mut new_i = propagate(i);
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let new_i_ptr = &mut new_i as *mut i64;
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let read_label = unsafe { dfsan_read_label(new_i_ptr as *const c_void, size_of::<i64>()) };
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assert_eq!(unsafe { dfsan_has_label(read_label, i_label) }, 1);
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assert_eq!(unsafe { dfsan_has_label(read_label, j_label) }, 1);
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}
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