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-rw-r--r--pkg/sentry/syscalls/linux/vfs2/aio.go27
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/fd.go6
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/ioctl.go9
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/pipe.go3
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/poll.go24
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/setstat.go4
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/socket.go61
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/splice.go17
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/timerfd.go6
9 files changed, 79 insertions, 78 deletions
diff --git a/pkg/sentry/syscalls/linux/vfs2/aio.go b/pkg/sentry/syscalls/linux/vfs2/aio.go
index 42559bf69..6d0a38330 100644
--- a/pkg/sentry/syscalls/linux/vfs2/aio.go
+++ b/pkg/sentry/syscalls/linux/vfs2/aio.go
@@ -17,6 +17,7 @@ package vfs2
import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
+ "gvisor.dev/gvisor/pkg/marshal/primitive"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/eventfd"
"gvisor.dev/gvisor/pkg/sentry/kernel"
@@ -38,21 +39,27 @@ func IoSubmit(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
}
for i := int32(0); i < nrEvents; i++ {
- // Copy in the address.
- cbAddrNative := t.Arch().Native(0)
- if _, err := t.CopyIn(addr, cbAddrNative); err != nil {
- if i > 0 {
- // Some successful.
- return uintptr(i), nil, nil
+ // Copy in the callback address.
+ var cbAddr usermem.Addr
+ switch t.Arch().Width() {
+ case 8:
+ var cbAddrP primitive.Uint64
+ if _, err := cbAddrP.CopyIn(t, addr); err != nil {
+ if i > 0 {
+ // Some successful.
+ return uintptr(i), nil, nil
+ }
+ // Nothing done.
+ return 0, nil, err
}
- // Nothing done.
- return 0, nil, err
+ cbAddr = usermem.Addr(cbAddrP)
+ default:
+ return 0, nil, syserror.ENOSYS
}
// Copy in this callback.
var cb linux.IOCallback
- cbAddr := usermem.Addr(t.Arch().Value(cbAddrNative))
- if _, err := t.CopyIn(cbAddr, &cb); err != nil {
+ if _, err := cb.CopyIn(t, cbAddr); err != nil {
if i > 0 {
// Some have been successful.
return uintptr(i), nil, nil
diff --git a/pkg/sentry/syscalls/linux/vfs2/fd.go b/pkg/sentry/syscalls/linux/vfs2/fd.go
index fdd8f88c5..d8b8d9783 100644
--- a/pkg/sentry/syscalls/linux/vfs2/fd.go
+++ b/pkg/sentry/syscalls/linux/vfs2/fd.go
@@ -181,11 +181,11 @@ func Fcntl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
if !hasOwner {
return 0, nil, nil
}
- _, err := t.CopyOut(args[2].Pointer(), &owner)
+ _, err := owner.CopyOut(t, args[2].Pointer())
return 0, nil, err
case linux.F_SETOWN_EX:
var owner linux.FOwnerEx
- _, err := t.CopyIn(args[2].Pointer(), &owner)
+ _, err := owner.CopyIn(t, args[2].Pointer())
if err != nil {
return 0, nil, err
}
@@ -286,7 +286,7 @@ func posixLock(t *kernel.Task, args arch.SyscallArguments, file *vfs.FileDescrip
// Copy in the lock request.
flockAddr := args[2].Pointer()
var flock linux.Flock
- if _, err := t.CopyIn(flockAddr, &flock); err != nil {
+ if _, err := flock.CopyIn(t, flockAddr); err != nil {
return err
}
diff --git a/pkg/sentry/syscalls/linux/vfs2/ioctl.go b/pkg/sentry/syscalls/linux/vfs2/ioctl.go
index baa8a49af..2806c3f6f 100644
--- a/pkg/sentry/syscalls/linux/vfs2/ioctl.go
+++ b/pkg/sentry/syscalls/linux/vfs2/ioctl.go
@@ -16,6 +16,7 @@ package vfs2
import (
"gvisor.dev/gvisor/pkg/abi/linux"
+ "gvisor.dev/gvisor/pkg/marshal/primitive"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/syserror"
@@ -47,7 +48,7 @@ func Ioctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
case linux.FIONBIO:
var set int32
- if _, err := t.CopyIn(args[2].Pointer(), &set); err != nil {
+ if _, err := primitive.CopyInt32In(t, args[2].Pointer(), &set); err != nil {
return 0, nil, err
}
flags := file.StatusFlags()
@@ -60,7 +61,7 @@ func Ioctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
case linux.FIOASYNC:
var set int32
- if _, err := t.CopyIn(args[2].Pointer(), &set); err != nil {
+ if _, err := primitive.CopyInt32In(t, args[2].Pointer(), &set); err != nil {
return 0, nil, err
}
flags := file.StatusFlags()
@@ -82,12 +83,12 @@ func Ioctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall
who = owner.PID
}
}
- _, err := t.CopyOut(args[2].Pointer(), &who)
+ _, err := primitive.CopyInt32Out(t, args[2].Pointer(), who)
return 0, nil, err
case linux.FIOSETOWN, linux.SIOCSPGRP:
var who int32
- if _, err := t.CopyIn(args[2].Pointer(), &who); err != nil {
+ if _, err := primitive.CopyInt32In(t, args[2].Pointer(), &who); err != nil {
return 0, nil, err
}
ownerType := int32(linux.F_OWNER_PID)
diff --git a/pkg/sentry/syscalls/linux/vfs2/pipe.go b/pkg/sentry/syscalls/linux/vfs2/pipe.go
index 3aa6d939d..ee38fdca0 100644
--- a/pkg/sentry/syscalls/linux/vfs2/pipe.go
+++ b/pkg/sentry/syscalls/linux/vfs2/pipe.go
@@ -16,6 +16,7 @@ package vfs2
import (
"gvisor.dev/gvisor/pkg/abi/linux"
+ "gvisor.dev/gvisor/pkg/marshal/primitive"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/pipefs"
"gvisor.dev/gvisor/pkg/sentry/kernel"
@@ -51,7 +52,7 @@ func pipe2(t *kernel.Task, addr usermem.Addr, flags int32) error {
if err != nil {
return err
}
- if _, err := t.CopyOut(addr, fds); err != nil {
+ if _, err := primitive.CopyInt32SliceOut(t, addr, fds); err != nil {
for _, fd := range fds {
if _, file := t.FDTable().Remove(t, fd); file != nil {
file.DecRef(t)
diff --git a/pkg/sentry/syscalls/linux/vfs2/poll.go b/pkg/sentry/syscalls/linux/vfs2/poll.go
index 79ad64039..c22e4ce54 100644
--- a/pkg/sentry/syscalls/linux/vfs2/poll.go
+++ b/pkg/sentry/syscalls/linux/vfs2/poll.go
@@ -165,7 +165,7 @@ func copyInPollFDs(t *kernel.Task, addr usermem.Addr, nfds uint) ([]linux.PollFD
pfd := make([]linux.PollFD, nfds)
if nfds > 0 {
- if _, err := t.CopyIn(addr, &pfd); err != nil {
+ if _, err := linux.CopyPollFDSliceIn(t, addr, pfd); err != nil {
return nil, err
}
}
@@ -192,7 +192,7 @@ func doPoll(t *kernel.Task, addr usermem.Addr, nfds uint, timeout time.Duration)
// The poll entries are copied out regardless of whether
// any are set or not. This aligns with the Linux behavior.
if nfds > 0 && err == nil {
- if _, err := t.CopyOut(addr, pfd); err != nil {
+ if _, err := linux.CopyPollFDSliceOut(t, addr, pfd); err != nil {
return remainingTimeout, 0, err
}
}
@@ -205,7 +205,7 @@ func CopyInFDSet(t *kernel.Task, addr usermem.Addr, nBytes, nBitsInLastPartialBy
set := make([]byte, nBytes)
if addr != 0 {
- if _, err := t.CopyIn(addr, &set); err != nil {
+ if _, err := t.CopyInBytes(addr, set); err != nil {
return nil, err
}
// If we only use part of the last byte, mask out the extraneous bits.
@@ -332,19 +332,19 @@ func doSelect(t *kernel.Task, nfds int, readFDs, writeFDs, exceptFDs usermem.Add
// Copy updated vectors back.
if readFDs != 0 {
- if _, err := t.CopyOut(readFDs, r); err != nil {
+ if _, err := t.CopyOutBytes(readFDs, r); err != nil {
return 0, err
}
}
if writeFDs != 0 {
- if _, err := t.CopyOut(writeFDs, w); err != nil {
+ if _, err := t.CopyOutBytes(writeFDs, w); err != nil {
return 0, err
}
}
if exceptFDs != 0 {
- if _, err := t.CopyOut(exceptFDs, e); err != nil {
+ if _, err := t.CopyOutBytes(exceptFDs, e); err != nil {
return 0, err
}
}
@@ -497,6 +497,12 @@ func Select(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
return n, nil, err
}
+// +marshal
+type sigSetWithSize struct {
+ sigsetAddr uint64
+ sizeofSigset uint64
+}
+
// Pselect implements linux syscall pselect(2).
func Pselect(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
nfds := int(args[0].Int()) // select(2) uses an int.
@@ -538,12 +544,6 @@ func Pselect(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca
return n, nil, err
}
-// +marshal
-type sigSetWithSize struct {
- sigsetAddr uint64
- sizeofSigset uint64
-}
-
// copyTimespecInToDuration copies a Timespec from the untrusted app range,
// validates it and converts it to a Duration.
//
diff --git a/pkg/sentry/syscalls/linux/vfs2/setstat.go b/pkg/sentry/syscalls/linux/vfs2/setstat.go
index 5e6eb13ba..1ee37e5a8 100644
--- a/pkg/sentry/syscalls/linux/vfs2/setstat.go
+++ b/pkg/sentry/syscalls/linux/vfs2/setstat.go
@@ -346,7 +346,7 @@ func populateSetStatOptionsForUtimes(t *kernel.Task, timesAddr usermem.Addr, opt
return nil
}
var times [2]linux.Timeval
- if _, err := t.CopyIn(timesAddr, &times); err != nil {
+ if _, err := linux.CopyTimevalSliceIn(t, timesAddr, times[:]); err != nil {
return err
}
if times[0].Usec < 0 || times[0].Usec > 999999 || times[1].Usec < 0 || times[1].Usec > 999999 {
@@ -410,7 +410,7 @@ func populateSetStatOptionsForUtimens(t *kernel.Task, timesAddr usermem.Addr, op
return nil
}
var times [2]linux.Timespec
- if _, err := t.CopyIn(timesAddr, &times); err != nil {
+ if _, err := linux.CopyTimespecSliceIn(t, timesAddr, times[:]); err != nil {
return err
}
if times[0].Nsec != linux.UTIME_OMIT {
diff --git a/pkg/sentry/syscalls/linux/vfs2/socket.go b/pkg/sentry/syscalls/linux/vfs2/socket.go
index c899e3a72..bfae6b7e9 100644
--- a/pkg/sentry/syscalls/linux/vfs2/socket.go
+++ b/pkg/sentry/syscalls/linux/vfs2/socket.go
@@ -66,10 +66,10 @@ const flagsOffset = 48
const sizeOfInt32 = 4
// messageHeader64Len is the length of a MessageHeader64 struct.
-var messageHeader64Len = uint64(binary.Size(MessageHeader64{}))
+var messageHeader64Len = uint64((*MessageHeader64)(nil).SizeBytes())
// multipleMessageHeader64Len is the length of a multipeMessageHeader64 struct.
-var multipleMessageHeader64Len = uint64(binary.Size(multipleMessageHeader64{}))
+var multipleMessageHeader64Len = uint64((*multipleMessageHeader64)(nil).SizeBytes())
// baseRecvFlags are the flags that are accepted across recvmsg(2),
// recvmmsg(2), and recvfrom(2).
@@ -77,6 +77,8 @@ const baseRecvFlags = linux.MSG_OOB | linux.MSG_DONTROUTE | linux.MSG_DONTWAIT |
// MessageHeader64 is the 64-bit representation of the msghdr struct used in
// the recvmsg and sendmsg syscalls.
+//
+// +marshal
type MessageHeader64 struct {
// Name is the optional pointer to a network address buffer.
Name uint64
@@ -105,30 +107,14 @@ type MessageHeader64 struct {
// multipleMessageHeader64 is the 64-bit representation of the mmsghdr struct used in
// the recvmmsg and sendmmsg syscalls.
+//
+// +marshal
type multipleMessageHeader64 struct {
msgHdr MessageHeader64
msgLen uint32
_ int32
}
-// CopyInMessageHeader64 copies a message header from user to kernel memory.
-func CopyInMessageHeader64(t *kernel.Task, addr usermem.Addr, msg *MessageHeader64) error {
- b := t.CopyScratchBuffer(52)
- if _, err := t.CopyInBytes(addr, b); err != nil {
- return err
- }
-
- msg.Name = usermem.ByteOrder.Uint64(b[0:])
- msg.NameLen = usermem.ByteOrder.Uint32(b[8:])
- msg.Iov = usermem.ByteOrder.Uint64(b[16:])
- msg.IovLen = usermem.ByteOrder.Uint64(b[24:])
- msg.Control = usermem.ByteOrder.Uint64(b[32:])
- msg.ControlLen = usermem.ByteOrder.Uint64(b[40:])
- msg.Flags = int32(usermem.ByteOrder.Uint32(b[48:]))
-
- return nil
-}
-
// CaptureAddress allocates memory for and copies a socket address structure
// from the untrusted address space range.
func CaptureAddress(t *kernel.Task, addr usermem.Addr, addrlen uint32) ([]byte, error) {
@@ -147,10 +133,10 @@ func CaptureAddress(t *kernel.Task, addr usermem.Addr, addrlen uint32) ([]byte,
// writeAddress writes a sockaddr structure and its length to an output buffer
// in the unstrusted address space range. If the address is bigger than the
// buffer, it is truncated.
-func writeAddress(t *kernel.Task, addr interface{}, addrLen uint32, addrPtr usermem.Addr, addrLenPtr usermem.Addr) error {
+func writeAddress(t *kernel.Task, addr linux.SockAddr, addrLen uint32, addrPtr usermem.Addr, addrLenPtr usermem.Addr) error {
// Get the buffer length.
var bufLen uint32
- if _, err := t.CopyIn(addrLenPtr, &bufLen); err != nil {
+ if _, err := primitive.CopyUint32In(t, addrLenPtr, &bufLen); err != nil {
return err
}
@@ -159,7 +145,7 @@ func writeAddress(t *kernel.Task, addr interface{}, addrLen uint32, addrPtr user
}
// Write the length unconditionally.
- if _, err := t.CopyOut(addrLenPtr, addrLen); err != nil {
+ if _, err := primitive.CopyUint32Out(t, addrLenPtr, addrLen); err != nil {
return err
}
@@ -172,7 +158,8 @@ func writeAddress(t *kernel.Task, addr interface{}, addrLen uint32, addrPtr user
}
// Copy as much of the address as will fit in the buffer.
- encodedAddr := binary.Marshal(nil, usermem.ByteOrder, addr)
+ encodedAddr := t.CopyScratchBuffer(addr.SizeBytes())
+ addr.MarshalUnsafe(encodedAddr)
if bufLen > uint32(len(encodedAddr)) {
bufLen = uint32(len(encodedAddr))
}
@@ -250,7 +237,7 @@ func SocketPair(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sy
return 0, nil, err
}
- if _, err := t.CopyOut(addr, fds); err != nil {
+ if _, err := primitive.CopyInt32SliceOut(t, addr, fds); err != nil {
for _, fd := range fds {
if _, file := t.FDTable().Remove(t, fd); file != nil {
file.DecRef(t)
@@ -459,8 +446,8 @@ func GetSockOpt(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sy
}
// Read the length. Reject negative values.
- optLen := int32(0)
- if _, err := t.CopyIn(optLenAddr, &optLen); err != nil {
+ var optLen int32
+ if _, err := primitive.CopyInt32In(t, optLenAddr, &optLen); err != nil {
return 0, nil, err
}
if optLen < 0 {
@@ -474,7 +461,7 @@ func GetSockOpt(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sy
}
vLen := int32(binary.Size(v))
- if _, err := t.CopyOut(optLenAddr, vLen); err != nil {
+ if _, err := primitive.CopyInt32Out(t, optLenAddr, vLen); err != nil {
return 0, nil, err
}
@@ -736,7 +723,7 @@ func RecvMMsg(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
if !ok {
return 0, nil, syserror.EFAULT
}
- if _, err = t.CopyOut(lp, uint32(n)); err != nil {
+ if _, err = primitive.CopyUint32Out(t, lp, uint32(n)); err != nil {
break
}
count++
@@ -751,7 +738,7 @@ func RecvMMsg(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
func recvSingleMsg(t *kernel.Task, s socket.SocketVFS2, msgPtr usermem.Addr, flags int32, haveDeadline bool, deadline ktime.Time) (uintptr, error) {
// Capture the message header and io vectors.
var msg MessageHeader64
- if err := CopyInMessageHeader64(t, msgPtr, &msg); err != nil {
+ if _, err := msg.CopyIn(t, msgPtr); err != nil {
return 0, err
}
@@ -783,7 +770,7 @@ func recvSingleMsg(t *kernel.Task, s socket.SocketVFS2, msgPtr usermem.Addr, fla
if int(msg.Flags) != mflags {
// Copy out the flags to the caller.
- if _, err := t.CopyOut(msgPtr+flagsOffset, int32(mflags)); err != nil {
+ if _, err := primitive.CopyInt32Out(t, msgPtr+flagsOffset, int32(mflags)); err != nil {
return 0, err
}
}
@@ -820,17 +807,17 @@ func recvSingleMsg(t *kernel.Task, s socket.SocketVFS2, msgPtr usermem.Addr, fla
}
// Copy the control data to the caller.
- if _, err := t.CopyOut(msgPtr+controlLenOffset, uint64(len(controlData))); err != nil {
+ if _, err := primitive.CopyUint64Out(t, msgPtr+controlLenOffset, uint64(len(controlData))); err != nil {
return 0, err
}
if len(controlData) > 0 {
- if _, err := t.CopyOut(usermem.Addr(msg.Control), controlData); err != nil {
+ if _, err := t.CopyOutBytes(usermem.Addr(msg.Control), controlData); err != nil {
return 0, err
}
}
// Copy out the flags to the caller.
- if _, err := t.CopyOut(msgPtr+flagsOffset, int32(mflags)); err != nil {
+ if _, err := primitive.CopyInt32Out(t, msgPtr+flagsOffset, int32(mflags)); err != nil {
return 0, err
}
@@ -999,7 +986,7 @@ func SendMMsg(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
if !ok {
return 0, nil, syserror.EFAULT
}
- if _, err = t.CopyOut(lp, uint32(n)); err != nil {
+ if _, err = primitive.CopyUint32Out(t, lp, uint32(n)); err != nil {
break
}
count++
@@ -1014,7 +1001,7 @@ func SendMMsg(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
func sendSingleMsg(t *kernel.Task, s socket.SocketVFS2, file *vfs.FileDescription, msgPtr usermem.Addr, flags int32) (uintptr, error) {
// Capture the message header.
var msg MessageHeader64
- if err := CopyInMessageHeader64(t, msgPtr, &msg); err != nil {
+ if _, err := msg.CopyIn(t, msgPtr); err != nil {
return 0, err
}
@@ -1025,7 +1012,7 @@ func sendSingleMsg(t *kernel.Task, s socket.SocketVFS2, file *vfs.FileDescriptio
return 0, syserror.ENOBUFS
}
controlData = make([]byte, msg.ControlLen)
- if _, err := t.CopyIn(usermem.Addr(msg.Control), &controlData); err != nil {
+ if _, err := t.CopyInBytes(usermem.Addr(msg.Control), controlData); err != nil {
return 0, err
}
}
diff --git a/pkg/sentry/syscalls/linux/vfs2/splice.go b/pkg/sentry/syscalls/linux/vfs2/splice.go
index 5543cfac2..f55d74cd2 100644
--- a/pkg/sentry/syscalls/linux/vfs2/splice.go
+++ b/pkg/sentry/syscalls/linux/vfs2/splice.go
@@ -19,6 +19,7 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/log"
+ "gvisor.dev/gvisor/pkg/marshal/primitive"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/kernel/pipe"
@@ -89,7 +90,7 @@ func Splice(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
if inFile.Options().DenyPRead {
return 0, nil, syserror.EINVAL
}
- if _, err := t.CopyIn(inOffsetPtr, &inOffset); err != nil {
+ if _, err := primitive.CopyInt64In(t, inOffsetPtr, &inOffset); err != nil {
return 0, nil, err
}
if inOffset < 0 {
@@ -104,7 +105,7 @@ func Splice(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
if outFile.Options().DenyPWrite {
return 0, nil, syserror.EINVAL
}
- if _, err := t.CopyIn(outOffsetPtr, &outOffset); err != nil {
+ if _, err := primitive.CopyInt64In(t, outOffsetPtr, &outOffset); err != nil {
return 0, nil, err
}
if outOffset < 0 {
@@ -160,12 +161,12 @@ func Splice(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
// Copy updated offsets out.
if inOffsetPtr != 0 {
- if _, err := t.CopyOut(inOffsetPtr, &inOffset); err != nil {
+ if _, err := primitive.CopyInt64Out(t, inOffsetPtr, inOffset); err != nil {
return 0, nil, err
}
}
if outOffsetPtr != 0 {
- if _, err := t.CopyOut(outOffsetPtr, &outOffset); err != nil {
+ if _, err := primitive.CopyInt64Out(t, outOffsetPtr, outOffset); err != nil {
return 0, nil, err
}
}
@@ -303,9 +304,12 @@ func Sendfile(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
if inFile.Options().DenyPRead {
return 0, nil, syserror.ESPIPE
}
- if _, err := t.CopyIn(offsetAddr, &offset); err != nil {
+ var offsetP primitive.Int64
+ if _, err := offsetP.CopyIn(t, offsetAddr); err != nil {
return 0, nil, err
}
+ offset = int64(offsetP)
+
if offset < 0 {
return 0, nil, syserror.EINVAL
}
@@ -422,7 +426,8 @@ func Sendfile(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
if offsetAddr != 0 {
// Copy out the new offset.
- if _, err := t.CopyOut(offsetAddr, offset); err != nil {
+ offsetP := primitive.Uint64(offset)
+ if _, err := offsetP.CopyOut(t, offsetAddr); err != nil {
return 0, nil, err
}
}
diff --git a/pkg/sentry/syscalls/linux/vfs2/timerfd.go b/pkg/sentry/syscalls/linux/vfs2/timerfd.go
index 7a26890ef..250870c03 100644
--- a/pkg/sentry/syscalls/linux/vfs2/timerfd.go
+++ b/pkg/sentry/syscalls/linux/vfs2/timerfd.go
@@ -87,7 +87,7 @@ func TimerfdSettime(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kerne
}
var newVal linux.Itimerspec
- if _, err := t.CopyIn(newValAddr, &newVal); err != nil {
+ if _, err := newVal.CopyIn(t, newValAddr); err != nil {
return 0, nil, err
}
newS, err := ktime.SettingFromItimerspec(newVal, flags&linux.TFD_TIMER_ABSTIME != 0, tfd.Clock())
@@ -97,7 +97,7 @@ func TimerfdSettime(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kerne
tm, oldS := tfd.SetTime(newS)
if oldValAddr != 0 {
oldVal := ktime.ItimerspecFromSetting(tm, oldS)
- if _, err := t.CopyOut(oldValAddr, &oldVal); err != nil {
+ if _, err := oldVal.CopyOut(t, oldValAddr); err != nil {
return 0, nil, err
}
}
@@ -122,6 +122,6 @@ func TimerfdGettime(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kerne
tm, s := tfd.GetTime()
curVal := ktime.ItimerspecFromSetting(tm, s)
- _, err := t.CopyOut(curValAddr, &curVal)
+ _, err := curVal.CopyOut(t, curValAddr)
return 0, nil, err
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 12:16:50 +0000