diff --git a/pvmfw/src/config.rs b/pvmfw/src/config.rs
index d0a6b7f..926f42b 100644
--- a/pvmfw/src/config.rs
+++ b/pvmfw/src/config.rs
@@ -21,11 +21,11 @@
 use log::{info, warn};
 use static_assertions::const_assert_eq;
 use vmbase::util::RangeExt;
-use zerocopy::{FromBytes, LayoutVerified};
+use zerocopy::{FromBytes, FromZeroes, LayoutVerified};
 
 /// Configuration data header.
 #[repr(C, packed)]
-#[derive(Clone, Copy, Debug, FromBytes)]
+#[derive(Clone, Copy, Debug, FromZeroes, FromBytes)]
 struct Header {
     /// Magic number; must be `Header::MAGIC`.
     magic: u32,
@@ -127,7 +127,7 @@
 }
 
 #[repr(packed)]
-#[derive(Clone, Copy, Debug, FromBytes)]
+#[derive(Clone, Copy, Debug, FromZeroes, FromBytes)]
 struct HeaderEntry {
     offset: u32,
     size: u32,
@@ -147,7 +147,7 @@
 }
 
 #[repr(C, packed)]
-#[derive(Clone, Copy, Debug, Eq, FromBytes, PartialEq)]
+#[derive(Clone, Copy, Debug, Eq, FromZeroes, FromBytes, PartialEq)]
 pub struct Version {
     minor: u16,
     major: u16,
diff --git a/pvmfw/src/gpt.rs b/pvmfw/src/gpt.rs
index 06bf994..71eb569 100644
--- a/pvmfw/src/gpt.rs
+++ b/pvmfw/src/gpt.rs
@@ -26,6 +26,7 @@
 use vmbase::util::ceiling_div;
 use vmbase::virtio::{pci, HalImpl};
 use zerocopy::FromBytes;
+use zerocopy::FromZeroes;
 
 type VirtIOBlk = pci::VirtIOBlk<HalImpl>;
 
@@ -156,7 +157,7 @@
 type Lba = u64;
 
 /// Structure as defined in release 2.10 of the UEFI Specification (5.3.2 GPT Header).
-#[derive(FromBytes)]
+#[derive(FromZeroes, FromBytes)]
 #[repr(C, packed)]
 struct Header {
     signature: u64,
diff --git a/pvmfw/src/instance.rs b/pvmfw/src/instance.rs
index 22839cb..f2cd6a3 100644
--- a/pvmfw/src/instance.rs
+++ b/pvmfw/src/instance.rs
@@ -35,6 +35,7 @@
 use vmbase::virtio::HalImpl;
 use zerocopy::AsBytes;
 use zerocopy::FromBytes;
+use zerocopy::FromZeroes;
 
 pub enum Error {
     /// Unexpected I/O error while accessing the underlying disk.
@@ -174,7 +175,7 @@
     }
 }
 
-#[derive(FromBytes)]
+#[derive(FromZeroes, FromBytes)]
 #[repr(C, packed)]
 struct Header {
     magic: [u8; Header::MAGIC.len()],
@@ -258,7 +259,7 @@
 /// Marks the start of an instance.img entry.
 ///
 /// Note: Virtualization/microdroid_manager/src/instance.rs uses the name "partition".
-#[derive(AsBytes, FromBytes)]
+#[derive(AsBytes, FromZeroes, FromBytes)]
 #[repr(C, packed)]
 struct EntryHeader {
     uuid: u128,
@@ -279,7 +280,7 @@
     }
 }
 
-#[derive(AsBytes, FromBytes)]
+#[derive(AsBytes, FromZeroes, FromBytes)]
 #[repr(C)]
 struct EntryBody {
     code_hash: Hash,
diff --git a/virtualizationservice/vfio_handler/src/aidl.rs b/virtualizationservice/vfio_handler/src/aidl.rs
index 1c3c5d9..618c165 100644
--- a/virtualizationservice/vfio_handler/src/aidl.rs
+++ b/virtualizationservice/vfio_handler/src/aidl.rs
@@ -26,6 +26,7 @@
 use rustutils::system_properties;
 use zerocopy::{
     byteorder::{BigEndian, U32},
+    FromZeroes,
     FromBytes,
 };
 
@@ -82,7 +83,7 @@
 /// The structure of DT table header in dtbo.img.
 /// https://source.android.com/docs/core/architecture/dto/partitions
 #[repr(C)]
-#[derive(Debug, FromBytes)]
+#[derive(Debug, FromZeroes, FromBytes)]
 struct DtTableHeader {
     /// DT_TABLE_MAGIC
     magic: U32<BigEndian>,
@@ -106,7 +107,7 @@
 /// The structure of each DT table entry (v0) in dtbo.img.
 /// https://source.android.com/docs/core/architecture/dto/partitions
 #[repr(C)]
-#[derive(Debug, FromBytes)]
+#[derive(Debug, FromZeroes, FromBytes)]
 struct DtTableEntry {
     /// size of each DT
     dt_size: U32<BigEndian>,