Move the crudhandler to own repo (#27)
This commit is contained in:
134
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
134
vendor/golang.org/x/sys/unix/syscall_linux.go
generated
vendored
@ -12,6 +12,8 @@
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package unix
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import (
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"encoding/binary"
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"net"
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"syscall"
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"unsafe"
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)
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@ -55,6 +57,15 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
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// ioctl itself should not be exposed directly, but additional get/set
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// functions for specific types are permissible.
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// IoctlSetPointerInt performs an ioctl operation which sets an
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// integer value on fd, using the specified request number. The ioctl
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// argument is called with a pointer to the integer value, rather than
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// passing the integer value directly.
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func IoctlSetPointerInt(fd int, req uint, value int) error {
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v := int32(value)
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return ioctl(fd, req, uintptr(unsafe.Pointer(&v)))
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}
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// IoctlSetInt performs an ioctl operation which sets an integer value
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// on fd, using the specified request number.
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func IoctlSetInt(fd int, req uint, value int) error {
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@ -692,6 +703,69 @@ func (sa *SockaddrVM) sockaddr() (unsafe.Pointer, _Socklen, error) {
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return unsafe.Pointer(&sa.raw), SizeofSockaddrVM, nil
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}
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type SockaddrXDP struct {
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Flags uint16
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Ifindex uint32
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QueueID uint32
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SharedUmemFD uint32
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raw RawSockaddrXDP
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}
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func (sa *SockaddrXDP) sockaddr() (unsafe.Pointer, _Socklen, error) {
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sa.raw.Family = AF_XDP
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sa.raw.Flags = sa.Flags
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sa.raw.Ifindex = sa.Ifindex
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sa.raw.Queue_id = sa.QueueID
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sa.raw.Shared_umem_fd = sa.SharedUmemFD
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return unsafe.Pointer(&sa.raw), SizeofSockaddrXDP, nil
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}
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// This constant mirrors the #define of PX_PROTO_OE in
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// linux/if_pppox.h. We're defining this by hand here instead of
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// autogenerating through mkerrors.sh because including
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// linux/if_pppox.h causes some declaration conflicts with other
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// includes (linux/if_pppox.h includes linux/in.h, which conflicts
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// with netinet/in.h). Given that we only need a single zero constant
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// out of that file, it's cleaner to just define it by hand here.
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const px_proto_oe = 0
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type SockaddrPPPoE struct {
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SID uint16
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Remote net.HardwareAddr
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Dev string
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raw RawSockaddrPPPoX
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}
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func (sa *SockaddrPPPoE) sockaddr() (unsafe.Pointer, _Socklen, error) {
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if len(sa.Remote) != 6 {
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return nil, 0, EINVAL
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}
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if len(sa.Dev) > IFNAMSIZ-1 {
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return nil, 0, EINVAL
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}
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*(*uint16)(unsafe.Pointer(&sa.raw[0])) = AF_PPPOX
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// This next field is in host-endian byte order. We can't use the
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// same unsafe pointer cast as above, because this value is not
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// 32-bit aligned and some architectures don't allow unaligned
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// access.
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//
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// However, the value of px_proto_oe is 0, so we can use
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// encoding/binary helpers to write the bytes without worrying
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// about the ordering.
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binary.BigEndian.PutUint32(sa.raw[2:6], px_proto_oe)
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// This field is deliberately big-endian, unlike the previous
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// one. The kernel expects SID to be in network byte order.
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binary.BigEndian.PutUint16(sa.raw[6:8], sa.SID)
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copy(sa.raw[8:14], sa.Remote)
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for i := 14; i < 14+IFNAMSIZ; i++ {
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sa.raw[i] = 0
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}
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copy(sa.raw[14:], sa.Dev)
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return unsafe.Pointer(&sa.raw), SizeofSockaddrPPPoX, nil
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}
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func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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switch rsa.Addr.Family {
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case AF_NETLINK:
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@ -793,6 +867,31 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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}
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return sa, nil
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}
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case AF_XDP:
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pp := (*RawSockaddrXDP)(unsafe.Pointer(rsa))
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sa := &SockaddrXDP{
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Flags: pp.Flags,
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Ifindex: pp.Ifindex,
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QueueID: pp.Queue_id,
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SharedUmemFD: pp.Shared_umem_fd,
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}
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return sa, nil
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case AF_PPPOX:
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pp := (*RawSockaddrPPPoX)(unsafe.Pointer(rsa))
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if binary.BigEndian.Uint32(pp[2:6]) != px_proto_oe {
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return nil, EINVAL
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}
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sa := &SockaddrPPPoE{
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SID: binary.BigEndian.Uint16(pp[6:8]),
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Remote: net.HardwareAddr(pp[8:14]),
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}
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for i := 14; i < 14+IFNAMSIZ; i++ {
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if pp[i] == 0 {
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sa.Dev = string(pp[14:i])
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break
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}
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}
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return sa, nil
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}
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return nil, EAFNOSUPPORT
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}
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@ -1095,7 +1194,7 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro
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// The ptrace syscall differs from glibc's ptrace.
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// Peeks returns the word in *data, not as the return value.
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var buf [sizeofPtr]byte
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var buf [SizeofPtr]byte
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// Leading edge. PEEKTEXT/PEEKDATA don't require aligned
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// access (PEEKUSER warns that it might), but if we don't
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@ -1103,12 +1202,12 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro
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// boundary and not get the bytes leading up to the page
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// boundary.
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n := 0
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if addr%sizeofPtr != 0 {
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err = ptrace(req, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
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if addr%SizeofPtr != 0 {
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err = ptrace(req, pid, addr-addr%SizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
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if err != nil {
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return 0, err
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}
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n += copy(out, buf[addr%sizeofPtr:])
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n += copy(out, buf[addr%SizeofPtr:])
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out = out[n:]
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}
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@ -1146,15 +1245,15 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
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// Leading edge.
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n := 0
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if addr%sizeofPtr != 0 {
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var buf [sizeofPtr]byte
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err = ptrace(peekReq, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
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if addr%SizeofPtr != 0 {
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var buf [SizeofPtr]byte
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err = ptrace(peekReq, pid, addr-addr%SizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
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if err != nil {
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return 0, err
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}
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n += copy(buf[addr%sizeofPtr:], data)
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n += copy(buf[addr%SizeofPtr:], data)
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word := *((*uintptr)(unsafe.Pointer(&buf[0])))
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err = ptrace(pokeReq, pid, addr-addr%sizeofPtr, word)
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err = ptrace(pokeReq, pid, addr-addr%SizeofPtr, word)
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if err != nil {
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return 0, err
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}
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@ -1162,19 +1261,19 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
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}
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// Interior.
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for len(data) > sizeofPtr {
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for len(data) > SizeofPtr {
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word := *((*uintptr)(unsafe.Pointer(&data[0])))
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err = ptrace(pokeReq, pid, addr+uintptr(n), word)
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if err != nil {
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return n, err
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}
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n += sizeofPtr
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data = data[sizeofPtr:]
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n += SizeofPtr
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data = data[SizeofPtr:]
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}
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// Trailing edge.
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if len(data) > 0 {
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var buf [sizeofPtr]byte
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var buf [SizeofPtr]byte
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err = ptrace(peekReq, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
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if err != nil {
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return n, err
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@ -1273,9 +1372,11 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
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//sys Adjtimex(buf *Timex) (state int, err error)
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//sys Chdir(path string) (err error)
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//sys Chroot(path string) (err error)
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//sys ClockGetres(clockid int32, res *Timespec) (err error)
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//sys ClockGettime(clockid int32, time *Timespec) (err error)
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//sys Close(fd int) (err error)
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//sys CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
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//sys DeleteModule(name string, flags int) (err error)
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//sys Dup(oldfd int) (fd int, err error)
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//sys Dup3(oldfd int, newfd int, flags int) (err error)
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//sysnb EpollCreate1(flag int) (fd int, err error)
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@ -1289,6 +1390,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
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//sys fcntl(fd int, cmd int, arg int) (val int, err error)
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//sys Fdatasync(fd int) (err error)
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//sys Fgetxattr(fd int, attr string, dest []byte) (sz int, err error)
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//sys FinitModule(fd int, params string, flags int) (err error)
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//sys Flistxattr(fd int, dest []byte) (sz int, err error)
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//sys Flock(fd int, how int) (err error)
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//sys Fremovexattr(fd int, attr string) (err error)
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@ -1310,6 +1412,7 @@ func Getpgrp() (pid int) {
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//sysnb Getsid(pid int) (sid int, err error)
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//sysnb Gettid() (tid int)
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//sys Getxattr(path string, attr string, dest []byte) (sz int, err error)
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//sys InitModule(moduleImage []byte, params string) (err error)
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//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
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//sysnb InotifyInit1(flags int) (fd int, err error)
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//sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, err error)
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@ -1320,6 +1423,7 @@ func Getpgrp() (pid int) {
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//sys Llistxattr(path string, dest []byte) (sz int, err error)
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//sys Lremovexattr(path string, attr string) (err error)
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//sys Lsetxattr(path string, attr string, data []byte, flags int) (err error)
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//sys MemfdCreate(name string, flags int) (fd int, err error)
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//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
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//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
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//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
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@ -1495,12 +1599,9 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
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// Brk
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// Capget
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// Capset
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// ClockGetres
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// ClockNanosleep
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// ClockSettime
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// Clone
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// CreateModule
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// DeleteModule
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// EpollCtlOld
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// EpollPwait
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// EpollWaitOld
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@ -1544,7 +1645,6 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
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// Pselect6
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// Ptrace
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// Putpmsg
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// QueryModule
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// Quotactl
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// Readahead
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// Readv
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