diff --git a/vmm/src/acpi.rs b/vmm/src/acpi.rs
index a6e9c6236..a2d6a7a72 100644
--- a/vmm/src/acpi.rs
+++ b/vmm/src/acpi.rs
@@ -41,7 +41,7 @@ pub const ACPI_APIC_GENERIC_TRANSLATOR: u8 = 15;
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct PciRangeEntry {
     pub base_address: u64,
     pub segment: u16,
@@ -52,7 +52,7 @@ struct PciRangeEntry {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct MemoryAffinity {
     pub type_: u8,
     pub length: u8,
@@ -69,7 +69,7 @@ struct MemoryAffinity {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct ProcessorLocalX2ApicAffinity {
     pub type_: u8,
     pub length: u8,
@@ -83,7 +83,7 @@ struct ProcessorLocalX2ApicAffinity {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct ProcessorGiccAffinity {
     pub type_: u8,
     pub length: u8,
@@ -143,7 +143,7 @@ impl MemoryAffinity {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct ViotVirtioPciNode {
     pub type_: u8,
     _reserved: u8,
@@ -155,7 +155,7 @@ struct ViotVirtioPciNode {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct ViotPciRangeNode {
     pub type_: u8,
     _reserved: u8,
diff --git a/vmm/src/cpu.rs b/vmm/src/cpu.rs
index afb247841..fc7885443 100644
--- a/vmm/src/cpu.rs
+++ b/vmm/src/cpu.rs
@@ -84,6 +84,7 @@ use vm_migration::{
 };
 use vmm_sys_util::eventfd::EventFd;
 use vmm_sys_util::signal::{register_signal_handler, SIGRTMIN};
+use zerocopy::AsBytes;
 
 #[cfg(all(target_arch = "aarch64", feature = "guest_debug"))]
 /// Extract the specified bits of a 64-bit integer.
@@ -176,6 +177,7 @@ pub type Result<T> = result::Result<T, Error>;
 #[cfg(target_arch = "x86_64")]
 #[allow(dead_code)]
 #[repr(packed)]
+#[derive(AsBytes)]
 struct LocalApic {
     pub r#type: u8,
     pub length: u8,
@@ -186,7 +188,7 @@ struct LocalApic {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct Ioapic {
     pub r#type: u8,
     pub length: u8,
@@ -199,6 +201,7 @@ struct Ioapic {
 #[cfg(target_arch = "aarch64")]
 #[allow(dead_code)]
 #[repr(packed)]
+#[derive(AsBytes)]
 struct GicC {
     pub r#type: u8,
     pub length: u8,
@@ -223,6 +226,7 @@ struct GicC {
 #[cfg(target_arch = "aarch64")]
 #[allow(dead_code)]
 #[repr(packed)]
+#[derive(AsBytes)]
 struct GicD {
     pub r#type: u8,
     pub length: u8,
@@ -237,6 +241,7 @@ struct GicD {
 #[cfg(target_arch = "aarch64")]
 #[allow(dead_code)]
 #[repr(packed)]
+#[derive(AsBytes)]
 struct GicR {
     pub r#type: u8,
     pub length: u8,
@@ -248,6 +253,7 @@ struct GicR {
 #[cfg(target_arch = "aarch64")]
 #[allow(dead_code)]
 #[repr(packed)]
+#[derive(AsBytes)]
 struct GicIts {
     pub r#type: u8,
     pub length: u8,
@@ -260,6 +266,7 @@ struct GicIts {
 #[cfg(target_arch = "aarch64")]
 #[allow(dead_code)]
 #[repr(packed)]
+#[derive(AsBytes)]
 struct ProcessorHierarchyNode {
     pub r#type: u8,
     pub length: u8,
@@ -272,7 +279,7 @@ struct ProcessorHierarchyNode {
 
 #[allow(dead_code)]
 #[repr(packed)]
-#[derive(Default)]
+#[derive(Default, AsBytes)]
 struct InterruptSourceOverride {
     pub r#type: u8,
     pub length: u8,