chore: remove repetitive words in comments

Signed-off-by: dongjinlong <dongjinlong@outlook.com>

g3doc/proposals/gsoc-2021-ideas.md

@@ -87,7 +87,7 @@ new syscalls:
 
 An `io_uring` request is effectively an opcode specifying the I/O operation to
 perform, and corresponding arguments. The opcodes and arguments closely relate
-to the the corresponding synchronous I/O syscall. In addition, there are some
+to the corresponding synchronous I/O syscall. In addition, there are some
 `io_uring`-specific arguments that specify things like how to process requests,
 how to interpret the arguments and communicate the status of the ring buffers.
 

pkg/bitmap/bitmap.go

@@ -303,7 +303,7 @@ func (b *Bitmap) ToSlice() []uint32 {
 	return bitmapSlice
 }
 
-// GetNumOnes return the the number of ones in the Bitmap.
+// GetNumOnes return the number of ones in the Bitmap.
 func (b *Bitmap) GetNumOnes() uint32 {
 	return b.numOnes
 }

pkg/rand/rng.go

@@ -75,7 +75,7 @@ func (rg *RNG) Int63n(n int64) int64 {
 	//  - The remaining 20% map to the themselves - 2 * (maximum int64),
 	//    i.e. the first half of possible output values.
 	//
-	// And thus 60% of results map the the first half of possible output
+	// And thus 60% of results map the first half of possible output
 	// values, and 40% map the second half. Oops!
 	//
 	// We use the same trick as Go to deal with this: shave off the last

pkg/sentry/fsimpl/devpts/queue.go

@@ -58,7 +58,7 @@ type queue struct {
 	// so readable must be checked.
 	readable bool
 
-	// transform is the the queue's function for transforming bytes
+	// transform is the queue's function for transforming bytes
 	// entering the queue. For example, transform might convert all '\r's
 	// entering the queue to '\n's.
 	transformer

pkg/sentry/fsimpl/fuse/fusefs.go

@@ -53,7 +53,7 @@ type filesystemOptions struct {
 	// gid of the mount owner.
 	gid auth.KGID
 
-	// rootMode specifies the the file mode of the filesystem's root.
+	// rootMode specifies the file mode of the filesystem's root.
 	rootMode linux.FileMode
 
 	// maxActiveRequests specifies the maximum number of active requests that can

pkg/sentry/fsimpl/kernfs/kernfs.go

@@ -742,7 +742,7 @@ type inodeRefs interface {
 
 type inodeMetadata interface {
 	// CheckPermissions checks that creds may access this inode for the
-	// requested access type, per the the rules of
+	// requested access type, per the rules of
 	// fs/namei.c:generic_permission().
 	CheckPermissions(ctx context.Context, creds *auth.Credentials, ats vfs.AccessTypes) error
 

pkg/sentry/kernel/msgqueue/msgqueue.go

@@ -194,7 +194,7 @@ func (r *Registry) newQueueLocked(ctx context.Context, key ipc.Key, creds *auth.
 
 // Remove removes the queue with specified ID. All waiters (readers and
 // writers) and writers will be awakened and fail. Remove will return an error
-// if the ID is invalid, or the the user doesn't have privileges.
+// if the ID is invalid, or the user doesn't have privileges.
 func (r *Registry) Remove(id ipc.ID, creds *auth.Credentials) error {
 	r.mu.Lock()
 	defer r.mu.Unlock()
@@ -491,7 +491,7 @@ func (q *Queue) msgOfType(mType int64, except bool) *Message {
 	return nil
 }
 
-// msgOfTypeLessThan return the the first message with the lowest type less
+// msgOfTypeLessThan return the first message with the lowest type less
 // than or equal to mType, nil if no such message exists.
 //
 // Precondition: caller must hold q.mu.

pkg/sentry/kernel/task_start.go

@@ -84,7 +84,7 @@ type TaskConfig struct {
 	// MountNamespace is the MountNamespace of the new task.
 	MountNamespace *vfs.MountNamespace
 
-	// RSeqAddr is a pointer to the the userspace linux.RSeq structure.
+	// RSeqAddr is a pointer to the userspace linux.RSeq structure.
 	RSeqAddr hostarch.Addr
 
 	// RSeqSignature is the signature that the rseq abort IP must be signed

pkg/sentry/platform/systrap/context_queue.go

@@ -96,7 +96,7 @@ func (q *contextQueue) queuedContexts() uint32 {
 	return (atomic.LoadUint32(&q.end) + maxContextQueueEntries - atomic.LoadUint32(&q.start)) % maxContextQueueEntries
 }
 
-// add puts the the given ctx onto the context queue, and records a state of
+// add puts the given ctx onto the context queue, and records a state of
 // the subprocess after insertion to see if there are more active stub threads
 // or more waiting contexts.
 func (q *contextQueue) add(ctx *sharedContext) *platform.ContextError {

pkg/sentry/vfs/mount.go

@@ -1532,7 +1532,7 @@ func manglePath(p string) string {
 	return r.Replace(p)
 }
 
-// superBlockOpts returns the super block options string for the the mount at
+// superBlockOpts returns the super block options string for the mount at
 // the given path.
 func superBlockOpts(mountPath string, mnt *Mount) string {
 	// Compose super block options by combining global mount flags with

pkg/tcpip/header/ndp_neighbor_advert.go

@@ -104,7 +104,7 @@ func (b NDPNeighborAdvert) SetOverrideFlag(f bool) {
 	}
 }
 
-// Options returns an NDPOptions of the the options body.
+// Options returns an NDPOptions of the options body.
 func (b NDPNeighborAdvert) Options() NDPOptions {
 	return NDPOptions(b[ndpNAOptionsOffset:])
 }

pkg/tcpip/header/ndp_neighbor_solicit.go

@@ -46,7 +46,7 @@ func (b NDPNeighborSolicit) SetTargetAddress(addr tcpip.Address) {
 	copy(b[ndpNSTargetAddessOffset:][:IPv6AddressSize], addr.AsSlice())
 }
 
-// Options returns an NDPOptions of the the options body.
+// Options returns an NDPOptions of the options body.
 func (b NDPNeighborSolicit) Options() NDPOptions {
 	return NDPOptions(b[ndpNSOptionsOffset:])
 }

pkg/tcpip/header/ndp_router_advert.go

@@ -198,7 +198,7 @@ func (b NDPRouterAdvert) RetransTimer() time.Duration {
 	return time.Millisecond * time.Duration(binary.BigEndian.Uint32(b[ndpRARetransTimerOffset:]))
 }
 
-// Options returns an NDPOptions of the the options body.
+// Options returns an NDPOptions of the options body.
 func (b NDPRouterAdvert) Options() NDPOptions {
 	return NDPOptions(b[ndpRAOptionsOffset:])
 }

pkg/tcpip/header/ndp_router_solicit.go

@@ -30,7 +30,7 @@ const (
 	ndpRSOptionsOffset = 4
 )
 
-// Options returns an NDPOptions of the the options body.
+// Options returns an NDPOptions of the options body.
 func (b NDPRouterSolicit) Options() NDPOptions {
 	return NDPOptions(b[ndpRSOptionsOffset:])
 }

pkg/tcpip/network/internal/ip/generic_multicast_protocol_test.go

@@ -1596,7 +1596,7 @@ func TestQueuedPackets(t *testing.T) {
 				t.Errorf("mockMulticastGroupProtocol mismatch (-want +got):\n%s", diff)
 			}
 
-			// Receiving a report should should transition us into the idle member state,
+			// Receiving a report should transition us into the idle member state,
 			// even if we had a packet queued. We should no longer have any packets to
 			// send.
 			mgp.handleReport(addr1)

pkg/tcpip/transport/tcp/connect.go

@@ -97,7 +97,7 @@ type handshake struct {
 	// hit.
 	deferAccept time.Duration
 
-	// acked is true if the the final ACK for a 3-way handshake has
+	// acked is true if the final ACK for a 3-way handshake has
 	// been received. This is required to stop retransmitting the
 	// original SYN-ACK when deferAccept is enabled.
 	acked bool

pkg/test/testutil/testutil.go

@@ -290,7 +290,7 @@ func NewSpecWithArgs(args ...string) *specs.Spec {
 			},
 			// Root is readonly, but many tests want to write to tmpdir.
 			// This creates a writable mount inside the root. Also, when tmpdir points
-			// to "/tmp", it makes the the actual /tmp to be mounted and not a tmpfs
+			// to "/tmp", it makes the actual /tmp to be mounted and not a tmpfs
 			// inside the sentry.
 			{
 				Type:        "bind",

runsc/cmd/gofer.go

@@ -700,7 +700,7 @@ func adjustMountOptions(conf *config.Config, path string, opts []string) ([]stri
 // setFlags sets sync FD flags on the given FlagSet.
 func (g *goferSyncFDs) setFlags(f *flag.FlagSet) {
 	f.IntVar(&g.nvproxyFD, "sync-nvproxy-fd", -1, "file descriptor that the gofer waits on until nvproxy setup is done")
-	f.IntVar(&g.usernsFD, "sync-userns-fd", -1, "file descriptor the the gofer waits on until userns mappings are set up")
+	f.IntVar(&g.usernsFD, "sync-userns-fd", -1, "file descriptor the gofer waits on until userns mappings are set up")
 	f.IntVar(&g.procMountFD, "proc-mount-sync-fd", -1, "file descriptor that the gofer writes to when /proc isn't needed anymore and can be unmounted")
 }
 

runsc/specutils/specutils.go

@@ -254,7 +254,7 @@ func fixSpec(spec *specs.Spec, bundleDir string, conf *config.Config) error {
 			}
 		} else if len(containerName) > 0 {
 			// If we know the container name, then check to see if seccomp
-			// instructions were given to the the container.
+			// instructions were given to the container.
 			if annotation == annotationSeccomp+containerName && val == annotationSeccompRuntimeDefault {
 				// Container seccomp rules are redundant when using gVisor, so remove
 				// them when seccomp is set to RuntimeDefault.

runsc/version_test.sh

@@ -19,7 +19,7 @@ set -euf -x -o pipefail
 readonly runsc="$1"
 readonly version=$($runsc --version)
 
-# Version should should not match VERSION, which is the default and which
+# Version should not match VERSION, which is the default and which
 # will also appear if something is wrong with workspace_status.sh script.
 if [[ $version =~ "VERSION" ]]; then
   echo "FAIL: Got bad version $version"