Fix typos

pkg/sentry/arch/arch_aarch64.go

@@ -39,7 +39,7 @@ type Registers struct {
 }
 
 const (
-	// SyscallWidth is the width of insturctions.
+	// SyscallWidth is the width of instructions.
 	SyscallWidth = 4
 )
 

pkg/sentry/arch/arch_x86.go

@@ -38,7 +38,7 @@ type Registers struct {
 
 // System-related constants for x86.
 const (
-	// SyscallWidth is the width of syscall, sysenter, and int 80 insturctions.
+	// SyscallWidth is the width of syscall, sysenter, and int 80 instructions.
 	SyscallWidth = 2
 )
 

pkg/sentry/devices/tpuproxy/device.go

@@ -32,7 +32,7 @@ import (
 const (
 	// VFIO_MINOR is the VFIO minor number from include/linux/miscdevice.h.
 	VFIO_MINOR = 196
-	// VFIOPath is the path to a VFIO device, it is ususally used to
+	// VFIOPath is the path to a VFIO device, it is usually used to
 	// construct a VFIO container.
 	VFIOPath = "/dev/vfio/vfio"
 
@@ -49,7 +49,7 @@ type tpuDevice struct {
 	minor uint32
 }
 
-// Open implememnts vfs.Device.Open.
+// Open implements vfs.Device.Open.
 func (dev *tpuDevice) Open(ctx context.Context, mnt *vfs.Mount, d *vfs.Dentry, opts vfs.OpenOptions) (*vfs.FileDescription, error) {
 	devClient := devutil.GoferClientFromContext(ctx)
 	if devClient == nil {
@@ -133,7 +133,7 @@ func RegisterTPUDevice(vfsObj *vfs.VirtualFilesystem, minor uint32) error {
 	})
 }
 
-// RegisterVfioDevice registers VFIO devices that are implemented by this pacakge in vfsObj.
+// RegisterVfioDevice registers VFIO devices that are implemented by this package in vfsObj.
 func RegisterVfioDevice(vfsObj *vfs.VirtualFilesystem) error {
 	return vfsObj.RegisterDevice(vfs.CharDevice, linux.MISC_MAJOR, VFIO_MINOR, &vfioDevice{}, &vfs.RegisterDeviceOptions{
 		GroupName: vfioDeviceGroupName,

pkg/sentry/hostcpu/getcpu_arm64.s

@@ -15,7 +15,7 @@
 #include "textflag.h"
 
 // GetCPU makes the getcpu(unsigned *cpu, unsigned *node, NULL) syscall for
-// the lack of an optimazed way of getting the current CPU number on arm64.
+// the lack of an optimized way of getting the current CPU number on arm64.
 
 // func GetCPU() uint32
 TEXT ·GetCPU(SB), NOSPLIT, $0-4

pkg/sentry/kernel/ipc/ns.go

@@ -18,5 +18,5 @@ type contextID int
 
 // CtxIPCNamespace is the context.Value key used to retrieve an IPC namespace.
 // We define it here because it's needed in several packages, and is not
-// possible to use otherwise without causing a circular depenedency.
+// possible to use otherwise without causing a circular dependency.
 const CtxIPCNamespace contextID = iota

pkg/sentry/platform/kvm/bluepill_arm64_unsafe.go

@@ -32,7 +32,7 @@ func fpsimdPtr(addr *byte) *arch.FpsimdContext {
 	return (*arch.FpsimdContext)(unsafe.Pointer(addr))
 }
 
-// dieArchSetup initialies the state for dieTrampoline.
+// dieArchSetup initializes the state for dieTrampoline.
 //
 // The arm64 dieTrampoline requires the vCPU to be set in R1, and the last PC
 // to be in R0. The trampoline then simulates a call to dieHandler from the

pkg/sentry/socket/netlink/route/protocol.go

@@ -287,7 +287,7 @@ func (p *Protocol) dumpAddrs(ctx context.Context, msg *nlmsg.Message, ms *nlmsg.
 }
 
 // commonPrefixLen reports the length of the longest IP address prefix.
-// This is a simplied version from Golang's src/net/addrselect.go.
+// This is a simplified version from Golang's src/net/addrselect.go.
 func commonPrefixLen(a, b []byte) (cpl int) {
 	for len(a) > 0 {
 		if a[0] == b[0] {

pkg/sentry/time/calibrated_clock_test.go

@@ -160,7 +160,7 @@ func TestErrorCorrection(t *testing.T) {
 				t.Errorf("Discontinuous time; ComputeTime(%v) got %v want %v", tc.samples[2].after, newProjected, projected)
 			}
 
-			// As the reference clock stablizes, ensure that the clock error
+			// As the reference clock stabilizes, ensure that the clock error
 			// decreases.
 			initialErr := c.errorNS
 			t.Logf("initial error: %v ns", initialErr)

pkg/tcpip/header/ipv4.go

@@ -571,7 +571,7 @@ func IsV4LoopbackAddress(addr tcpip.Address) bool {
 
 // ========================= Options ==========================
 
-// An IPv4OptionType can hold the valuse for the Type in an IPv4 option.
+// An IPv4OptionType can hold the value for the Type in an IPv4 option.
 type IPv4OptionType byte
 
 // These constants are needed to identify individual options in the option list.

pkg/tcpip/link/sharedmem/queue/queue_test.go

@@ -492,7 +492,7 @@ func TestLotsOfReceptions(t *testing.T) {
 }
 
 func TestRxEnableNotification(t *testing.T) {
-	// Check that enabling nofifications results in properly updated state.
+	// Check that enabling notifications results in properly updated state.
 	pb1 := make([]byte, 100)
 	pb2 := make([]byte, 100)
 
@@ -507,7 +507,7 @@ func TestRxEnableNotification(t *testing.T) {
 }
 
 func TestRxDisableNotification(t *testing.T) {
-	// Check that disabling nofifications results in properly updated state.
+	// Check that disabling notifications results in properly updated state.
 	pb1 := make([]byte, 100)
 	pb2 := make([]byte, 100)
 

pkg/tcpip/network/ipv6/ipv6_test.go

@@ -729,7 +729,7 @@ func TestReceiveIPv6ExtHdrs(t *testing.T) {
 			pointer:      header.IPv6FixedHeaderSize + 8,
 		},
 		{
-			name: "destination with unknown option discard and send icmp action (muilticast)",
+			name: "destination with unknown option discard and send icmp action (multicast)",
 			extHdr: func(nextHdr uint8) ([]byte, uint8) {
 				return []byte{
 					nextHdr, 1,

pkg/tcpip/stack/ndp_test.go

@@ -3532,7 +3532,7 @@ func TestAutoGenAddrDeprecateFromPI(t *testing.T) {
 	}
 	expectPrimaryAddr(addr1)
 
-	// Deprecate addr for prefix1 immedaitely.
+	// Deprecate addr for prefix1 immediately.
 	e.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr2, 0, prefix1, true, true, 100, 0))
 	expectAutoGenAddrEvent(t, ndpDisp, addr1, deprecatedAddr)
 	if !containsV6Addr(s.NICInfo()[nicID].ProtocolAddresses, addr1) {
@@ -3560,7 +3560,7 @@ func TestAutoGenAddrDeprecateFromPI(t *testing.T) {
 	}
 	expectPrimaryAddr(addr2)
 
-	// Deprecate addr for prefix2 immedaitely.
+	// Deprecate addr for prefix2 immediately.
 	e.InjectInbound(header.IPv6ProtocolNumber, raBufWithPI(llAddr2, 0, prefix2, true, true, 100, 0))
 	expectAutoGenAddrEvent(t, ndpDisp, addr2, deprecatedAddr)
 	if !containsV6Addr(s.NICInfo()[nicID].ProtocolAddresses, addr2) {
@@ -5969,7 +5969,7 @@ func TestStopStartSolicitingRouters(t *testing.T) {
 		},
 
 		// Tests that when a NIC is removed, router solicitations are stopped. We
-		// cannot start router solications on a removed NIC.
+		// cannot start router solicitations on a removed NIC.
 		{
 			name: "Remove NIC",
 			stopFn: func(t *testing.T, s *stack.Stack, first bool) {
@@ -6046,7 +6046,7 @@ func TestStopStartSolicitingRouters(t *testing.T) {
 				t.Fatal("unexpectedly got a packet after router solicitation has been stopepd")
 			}
 
-			// If test.startFn is nil, there is no way to restart router solications.
+			// If test.startFn is nil, there is no way to restart router solicitations.
 			if test.startFn == nil {
 				return
 			}

pkg/tcpip/transport/tcp/test/e2e/tcp_test.go

@@ -7229,7 +7229,7 @@ func TestReceiveBufferAutoTuningApplicationLimited(t *testing.T) {
 	}
 
 	// Verify that we receive a non-zero window update ACK. When running
-	// under thread santizer this test can end up sending more than 1
+	// under thread sanitizer this test can end up sending more than 1
 	// ack, 1 for the non-zero window
 	p := c.GetPacket()
 	defer p.Release()

pkg/xdp/umem.go

@@ -39,7 +39,7 @@ type UMEM struct {
 	// sockfd is the underlying AF_XDP socket.
 	sockfd uint32
 
-	// frameMask masks the lower bits of an adderess to get the frame's
+	// frameMask masks the lower bits of an address to get the frame's
 	// address.
 	frameMask uint64
 

pkg/xdp/xdp.go

@@ -26,7 +26,7 @@
 //     with an incoming packet. The packet is filled by the kernel, which
 //     places a descriptor to the same UMEM area in the RX queue, signifying
 //     that userspace may read the packet.
-//   - Trasmit: Userspace adds a descriptor to TX queue. The kernel
+//   - Transmit: Userspace adds a descriptor to TX queue. The kernel
 //     sends the packet (stored in UMEM) pointed to by the descriptor.
 //     Upon completion, the kernel places a descriptor in the completion
 //     queue to notify userspace that the packet is sent and the UMEM