u-root · tklauser · Feb 10, 2026 · Feb 10, 2026
diff --git a/go.mod b/go.mod
@@ -45,7 +45,7 @@ require (
 	golang.org/x/crypto v0.45.0
 	golang.org/x/exp v0.0.0-20250305212735-054e65f0b394
 	golang.org/x/net v0.47.0
-	golang.org/x/sys v0.38.0
+	golang.org/x/sys v0.41.0
 	golang.org/x/term v0.37.0
 	golang.org/x/text v0.31.0
 	golang.org/x/tools v0.38.0

diff --git a/go.sum b/go.sum
@@ -470,8 +470,8 @@ golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=

diff --git a/pkg/brctl/brctl.go b/pkg/brctl/brctl.go
@@ -39,7 +39,7 @@ func Addbr(name string) error {
 		return fmt.Errorf("open unix socket: %w", err)
 	}
 
-	if _, err := executeIoctlStr(brctlSocket, unix.SIOCBRADDBR, name); err != nil {
+	if err := unix.IoctlSetString(brctlSocket, unix.SIOCBRADDBR, name); err != nil {
 		return fmt.Errorf("can't add bridge %q: %w", name, err)
 	}
 
@@ -53,7 +53,7 @@ func Delbr(name string) error {
 		return fmt.Errorf("open unix socket: %w", err)
 	}
 
-	if _, err := executeIoctlStr(brctlSocket, unix.SIOCBRDELBR, name); err != nil {
+	if err := unix.IoctlSetString(brctlSocket, unix.SIOCBRDELBR, name); err != nil {
 		return fmt.Errorf("can't delete bridge %q: %w", name, err)
 	}
 

diff --git a/pkg/brctl/util.go b/pkg/brctl/util.go
@@ -15,7 +15,6 @@ import (
 	"strings"
 	"syscall"
 	"time"
-	"unsafe"
 
 	"github.com/tklauser/go-sysconf"
 	"golang.org/x/sys/unix"
@@ -279,15 +278,6 @@ func sysconfhz() (int, error) {
 	return int(clktck), nil
 }
 
-func executeIoctlStr(fd int, req uint, raw string) (int, error) {
-	localBytes := append([]byte(raw), 0)
-	_, _, errno := syscall.Syscall(unix.SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(unsafe.Pointer(&localBytes[0])))
-	if errno != 0 {
-		return 0, errno
-	}
-	return 0, nil
-}
-
 func getIndexFromInterfaceName(ifname string) (int, error) {
 	ifreq, err := unix.NewIfreq(ifname)
 	if err != nil {

diff --git a/vendor/golang.org/x/sys/cpu/cpu.go b/vendor/golang.org/x/sys/cpu/cpu.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_arm64.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_arm64.s b/vendor/golang.org/x/sys/cpu/cpu_arm64.s
diff --git a/vendor/golang.org/x/sys/cpu/cpu_gc_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_gc_arm64.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_gccgo_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_gccgo_arm64.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_netbsd_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_netbsd_arm64.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_openbsd_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_openbsd_arm64.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_other_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_other_arm64.go
diff --git a/vendor/golang.org/x/sys/cpu/cpu_windows_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_windows_arm64.go