diff -r c040f992052f -r 1c52a0eeb952 vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go	Wed Sep 18 19:17:42 2019 +0200
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go	Sun Feb 16 18:54:01 2020 +0100
@@ -1,4 +1,4 @@
-// mksyscall.pl -b32 -arm -tags linux,mips syscall_linux.go syscall_linux_mipsx.go
+// go run mksyscall.go -b32 -arm -tags linux,mips syscall_linux.go syscall_linux_mipsx.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build linux,mips
@@ -14,6 +14,27 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func FanotifyInit(flags uint, event_f_flags uint) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_FANOTIFY_INIT, uintptr(flags), uintptr(event_f_flags), 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error) {
+	_, _, e1 := Syscall6(SYS_FANOTIFY_MARK, uintptr(fd), uintptr(flags), uintptr(mask>>32), uintptr(mask), uintptr(dirFd), uintptr(unsafe.Pointer(pathname)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func fchmodat(dirfd int, path string, mode uint32) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -284,6 +305,36 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func keyctlRestrictKeyringByType(cmd int, arg2 int, keyType string, restriction string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(keyType)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(restriction)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_KEYCTL, uintptr(cmd), uintptr(arg2), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func keyctlRestrictKeyring(cmd int, arg2 int) (err error) {
+	_, _, e1 := Syscall(SYS_KEYCTL, uintptr(cmd), uintptr(arg2), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 	_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
 	if e1 != 0 {
@@ -387,6 +438,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Capget(hdr *CapUserHeader, data *CapUserData) (err error) {
+	_, _, e1 := Syscall(SYS_CAPGET, uintptr(unsafe.Pointer(hdr)), uintptr(unsafe.Pointer(data)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Capset(hdr *CapUserHeader, data *CapUserData) (err error) {
+	_, _, e1 := Syscall(SYS_CAPSET, uintptr(unsafe.Pointer(hdr)), uintptr(unsafe.Pointer(data)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Chdir(path string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -437,6 +508,16 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -458,6 +539,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func DeleteModule(name string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(name)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_DELETE_MODULE, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup(oldfd int) (fd int, err error) {
 	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), 0, 0)
 	fd = int(r0)
@@ -563,17 +659,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func fcntl(fd int, cmd int, arg int) (val int, err error) {
-	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
-	val = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Fdatasync(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_FDATASYNC, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -606,6 +691,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func FinitModule(fd int, params string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(params)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_FINIT_MODULE, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flistxattr(fd int, dest []byte) (sz int, err error) {
 	var _p0 unsafe.Pointer
 	if len(dest) > 0 {
@@ -807,6 +907,27 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func InitModule(moduleImage []byte, params string) (err error) {
+	var _p0 unsafe.Pointer
+	if len(moduleImage) > 0 {
+		_p0 = unsafe.Pointer(&moduleImage[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(params)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_INIT_MODULE, uintptr(_p0), uintptr(len(moduleImage)), uintptr(unsafe.Pointer(_p1)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(pathname)
@@ -1144,26 +1265,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1319,6 +1420,17 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func signalfd(fd int, sigmask *Sigset_t, maskSize uintptr, flags int) (newfd int, err error) {
+	r0, _, e1 := Syscall6(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(sigmask)), uintptr(maskSize), uintptr(flags), 0, 0)
+	newfd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1485,6 +1597,108 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func readv(fd int, iovs []Iovec) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(iovs) > 0 {
+		_p0 = unsafe.Pointer(&iovs[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_READV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func writev(fd int, iovs []Iovec) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(iovs) > 0 {
+		_p0 = unsafe.Pointer(&iovs[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_WRITEV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func preadv(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(iovs) > 0 {
+		_p0 = unsafe.Pointer(&iovs[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREADV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pwritev(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(iovs) > 0 {
+		_p0 = unsafe.Pointer(&iovs[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITEV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(iovs) > 0 {
+		_p0 = unsafe.Pointer(&iovs[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREADV2, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pwritev2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(iovs) > 0 {
+		_p0 = unsafe.Pointer(&iovs[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITEV2, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func munmap(addr uintptr, length uintptr) (err error) {
 	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
 	if e1 != 0 {
@@ -1610,6 +1824,32 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {
@@ -1769,6 +2009,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
 	r0, _, e1 := Syscall6(SYS__NEWSELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
 	n = int(r0)
@@ -1791,8 +2051,9 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setfsgid(gid int) (err error) {
-	_, _, e1 := Syscall(SYS_SETFSGID, uintptr(gid), 0, 0)
+func setfsgid(gid int) (prev int, err error) {
+	r0, _, e1 := Syscall(SYS_SETFSGID, uintptr(gid), 0, 0)
+	prev = int(r0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
@@ -1801,8 +2062,9 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Setfsuid(uid int) (err error) {
-	_, _, e1 := Syscall(SYS_SETFSUID, uintptr(uid), 0, 0)
+func setfsuid(uid int) (prev int, err error) {
+	r0, _, e1 := Syscall(SYS_SETFSUID, uintptr(uid), 0, 0)
+	prev = int(r0)
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}