Frida: fix aarch64 build (#1153)

libafl_frida/src/asan/asan_rt.rs

@@ -1677,8 +1677,8 @@ impl AsanRuntime {
 
         unsafe {
             let mapping = mmap(
-                std::ptr::null_mut(),
-                0x1000,
+                None,
+                NonZeroUsize::try_from(0x1000).unwrap(),
                 ProtFlags::all(),
                 map_flags,
                 -1,

libafl_frida/src/coverage_rt.rs

@@ -77,6 +77,7 @@ impl CoverageRuntime {
     /// every time we need a copy that is within a direct branch of the start of the transformed basic
     /// block.
     #[cfg(target_arch = "aarch64")]
+    #[allow(clippy::cast_possible_wrap)]
     pub fn generate_inline_code(&mut self, h64: u64) -> Box<[u8]> {
         let mut borrow = self.0.borrow_mut();
         let prev_loc_ptr = addr_of_mut!(borrow.previous_pc);