Merge release-20210419.0-64-g689b369f5 (automated)

5 files changed, 445 insertions, 11 deletions

diff --git a/pkg/abi/linux/elf.go b/pkg/abi/linux/elf.go
index 7c9a02f20..c5713541f 100644
--- a/pkg/abi/linux/elf.go
+++ b/pkg/abi/linux/elf.go
@@ -106,3 +106,53 @@ const (
 	// NT_ARM_TLS is for ARM TLS register.
 	NT_ARM_TLS = 0x401
 )
+
+// ElfHeader64 is the ELF64 file header.
+//
+// +marshal
+type ElfHeader64 struct {
+	Ident     [16]byte // File identification.
+	Type      uint16   // File type.
+	Machine   uint16   // Machine architecture.
+	Version   uint32   // ELF format version.
+	Entry     uint64   // Entry point.
+	Phoff     uint64   // Program header file offset.
+	Shoff     uint64   // Section header file offset.
+	Flags     uint32   // Architecture-specific flags.
+	Ehsize    uint16   // Size of ELF header in bytes.
+	Phentsize uint16   // Size of program header entry.
+	Phnum     uint16   // Number of program header entries.
+	Shentsize uint16   // Size of section header entry.
+	Shnum     uint16   // Number of section header entries.
+	Shstrndx  uint16   // Section name strings section.
+}
+
+// ElfSection64 is the ELF64 Section header.
+//
+// +marshal
+type ElfSection64 struct {
+	Name      uint32 // Section name (index into the section header string table).
+	Type      uint32 // Section type.
+	Flags     uint64 // Section flags.
+	Addr      uint64 // Address in memory image.
+	Off       uint64 // Offset in file.
+	Size      uint64 // Size in bytes.
+	Link      uint32 // Index of a related section.
+	Info      uint32 // Depends on section type.
+	Addralign uint64 // Alignment in bytes.
+	Entsize   uint64 // Size of each entry in section.
+}
+
+// ElfProg64 is the ELF64 Program header.
+//
+// +marshal
+type ElfProg64 struct {
+	Type   uint32 // Entry type.
+	Flags  uint32 // Access permission flags.
+	Off    uint64 // File offset of contents.
+	Vaddr  uint64 // Virtual address in memory image.
+	Paddr  uint64 // Physical address (not used).
+	Filesz uint64 // Size of contents in file.
+	Memsz  uint64 // Size of contents in memory.
+	Align  uint64 // Alignment in memory and file.
+}
diff --git a/pkg/abi/linux/epoll.go b/pkg/abi/linux/epoll.go
index 1121a1a92..67706f5aa 100644
--- a/pkg/abi/linux/epoll.go
+++ b/pkg/abi/linux/epoll.go
@@ -14,10 +14,6 @@
 
 package linux
 
-import (
-	"gvisor.dev/gvisor/pkg/binary"
-)
-
 // Event masks.
 const (
 	EPOLLIN     = 0x1
@@ -59,4 +55,4 @@ const (
 )
 
 // SizeOfEpollEvent is the size of EpollEvent struct.
-var SizeOfEpollEvent = int(binary.Size(EpollEvent{}))
+var SizeOfEpollEvent = (*EpollEvent)(nil).SizeBytes()
diff --git a/pkg/abi/linux/file.go b/pkg/abi/linux/file.go
index e11ca2d62..1e23850a9 100644
--- a/pkg/abi/linux/file.go
+++ b/pkg/abi/linux/file.go
@@ -19,7 +19,6 @@ import (
 	"strings"
 
 	"gvisor.dev/gvisor/pkg/abi"
-	"gvisor.dev/gvisor/pkg/binary"
 )
 
 // Constants for open(2).
@@ -201,7 +200,7 @@ const (
 )
 
 // SizeOfStat is the size of a Stat struct.
-var SizeOfStat = binary.Size(Stat{})
+var SizeOfStat = (*Stat)(nil).SizeBytes()
 
 // Flags for statx.
 const (
@@ -268,7 +267,7 @@ type Statx struct {
 }
 
 // SizeOfStatx is the size of a Statx struct.
-var SizeOfStatx = binary.Size(Statx{})
+var SizeOfStatx = (*Statx)(nil).SizeBytes()
 
 // FileMode represents a mode_t.
 type FileMode uint16
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index 4a267d833..b77c2c972 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -27,6 +27,9 @@ var _ marshal.Marshallable = (*ControlMessageCredentials)(nil)
 var _ marshal.Marshallable = (*ControlMessageHeader)(nil)
 var _ marshal.Marshallable = (*ControlMessageIPPacketInfo)(nil)
 var _ marshal.Marshallable = (*DigestMetadata)(nil)
+var _ marshal.Marshallable = (*ElfHeader64)(nil)
+var _ marshal.Marshallable = (*ElfProg64)(nil)
+var _ marshal.Marshallable = (*ElfSection64)(nil)
 var _ marshal.Marshallable = (*ErrorName)(nil)
 var _ marshal.Marshallable = (*ExtensionName)(nil)
 var _ marshal.Marshallable = (*FOwnerEx)(nil)
@@ -814,6 +817,394 @@ func (c *CapUserHeader) WriteTo(writer io.Writer) (int64, error) {
 }
 
 // SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *ElfHeader64) SizeBytes() int {
+    return 48 +
+        1*16
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *ElfHeader64) MarshalBytes(dst []byte) {
+    for idx := 0; idx < 16; idx++ {
+        dst[0] = byte(e.Ident[idx])
+        dst = dst[1:]
+    }
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Type))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Machine))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Version))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Entry))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Phoff))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Shoff))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Ehsize))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Phentsize))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Phnum))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Shentsize))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Shnum))
+    dst = dst[2:]
+    hostarch.ByteOrder.PutUint16(dst[:2], uint16(e.Shstrndx))
+    dst = dst[2:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *ElfHeader64) UnmarshalBytes(src []byte) {
+    for idx := 0; idx < 16; idx++ {
+        e.Ident[idx] = src[0]
+        src = src[1:]
+    }
+    e.Type = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Machine = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Version = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Entry = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Phoff = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Shoff = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Ehsize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Phentsize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Phnum = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Shentsize = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Shnum = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+    e.Shstrndx = uint16(hostarch.ByteOrder.Uint16(src[:2]))
+    src = src[2:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *ElfHeader64) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *ElfHeader64) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *ElfHeader64) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *ElfHeader64) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *ElfHeader64) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *ElfHeader64) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *ElfHeader64) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *ElfProg64) SizeBytes() int {
+    return 56
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *ElfProg64) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Type))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Flags))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Off))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Vaddr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Paddr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Filesz))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Memsz))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Align))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *ElfProg64) UnmarshalBytes(src []byte) {
+    e.Type = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Flags = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Off = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Vaddr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Paddr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Filesz = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Memsz = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Align = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *ElfProg64) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *ElfProg64) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *ElfProg64) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *ElfProg64) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *ElfProg64) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *ElfProg64) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *ElfProg64) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
+func (e *ElfSection64) SizeBytes() int {
+    return 64
+}
+
+// MarshalBytes implements marshal.Marshallable.MarshalBytes.
+func (e *ElfSection64) MarshalBytes(dst []byte) {
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Name))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Type))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Flags))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Addr))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Off))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Size))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Link))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint32(dst[:4], uint32(e.Info))
+    dst = dst[4:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Addralign))
+    dst = dst[8:]
+    hostarch.ByteOrder.PutUint64(dst[:8], uint64(e.Entsize))
+    dst = dst[8:]
+}
+
+// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
+func (e *ElfSection64) UnmarshalBytes(src []byte) {
+    e.Name = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Type = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Flags = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Addr = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Off = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Size = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Link = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Info = uint32(hostarch.ByteOrder.Uint32(src[:4]))
+    src = src[4:]
+    e.Addralign = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+    e.Entsize = uint64(hostarch.ByteOrder.Uint64(src[:8]))
+    src = src[8:]
+}
+
+// Packed implements marshal.Marshallable.Packed.
+//go:nosplit
+func (e *ElfSection64) Packed() bool {
+    return true
+}
+
+// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
+func (e *ElfSection64) MarshalUnsafe(dst []byte) {
+    gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(e),  uintptr(e.SizeBytes()))
+}
+
+// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
+func (e *ElfSection64) UnmarshalUnsafe(src []byte) {
+    gohacks.Memmove(unsafe.Pointer(e), unsafe.Pointer(&src[0]), uintptr(e.SizeBytes()))
+}
+
+// CopyOutN implements marshal.Marshallable.CopyOutN.
+//go:nosplit
+func (e *ElfSection64) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// CopyOut implements marshal.Marshallable.CopyOut.
+//go:nosplit
+func (e *ElfSection64) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    return e.CopyOutN(cc, addr, e.SizeBytes())
+}
+
+// CopyIn implements marshal.Marshallable.CopyIn.
+//go:nosplit
+func (e *ElfSection64) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return length, err
+}
+
+// WriteTo implements io.WriterTo.WriteTo.
+func (e *ElfSection64) WriteTo(writer io.Writer) (int64, error) {
+    // Construct a slice backed by dst's underlying memory.
+    var buf []byte
+    hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
+    hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(e)))
+    hdr.Len = e.SizeBytes()
+    hdr.Cap = e.SizeBytes()
+
+    length, err := writer.Write(buf)
+    // Since we bypassed the compiler's escape analysis, indicate that e
+    // must live until the use above.
+    runtime.KeepAlive(e) // escapes: replaced by intrinsic.
+    return int64(length), err
+}
+
+// SizeBytes implements marshal.Marshallable.SizeBytes.
 func (s *SockErrCMsgIPv4) SizeBytes() int {
     return 0 +
         (*SockExtendedErr)(nil).SizeBytes() +
diff --git a/pkg/abi/linux/netdevice.go b/pkg/abi/linux/netdevice.go
index 0faf015c7..51a39704b 100644
--- a/pkg/abi/linux/netdevice.go
+++ b/pkg/abi/linux/netdevice.go
@@ -14,8 +14,6 @@
 
 package linux
 
-import "gvisor.dev/gvisor/pkg/binary"
-
 const (
 	// IFNAMSIZ is the size of the name field for IFReq.
 	IFNAMSIZ = 16
@@ -66,7 +64,7 @@ func (ifr *IFReq) SetName(name string) {
 }
 
 // SizeOfIFReq is the binary size of an IFReq struct (40 bytes).
-var SizeOfIFReq = binary.Size(IFReq{})
+var SizeOfIFReq = (*IFReq)(nil).SizeBytes()
 
 // IFMap contains interface hardware parameters.
 type IFMap struct {