Fix some lint issues

PiperOrigin-RevId: 675064804

pkg/sentry/seccheck/sinks/remote/remote_test.go

@@ -224,7 +224,7 @@ func TestExample(t *testing.T) {
 		return nil
 	}
 	if err := testutil.Poll(check, time.Second); err != nil {
-		t.Errorf(err.Error())
+		t.Errorf("%s", err.Error())
 	}
 }
 

pkg/tcpip/link/sharedmem/sharedmem_test.go

@@ -171,7 +171,7 @@ func (c *testContext) waitForPackets(n int, to <-chan time.Time, errorStr string
 		select {
 		case <-c.packetCh:
 		case <-to:
-			c.t.Fatalf(errorStr)
+			c.t.Fatal(errorStr)
 		}
 	}
 }

tools/checklinkname/check_linkname.go

@@ -131,7 +131,7 @@ func (u *UnresolvedLinknames) resolveRemaining(pass *analysis.Pass, resolvePos f
 	}
 }
 
-// go:linkname can be rather confusing. https://pkg.go.dev/cmd/compile says:
+// "go:linkname" can be rather confusing. https://pkg.go.dev/cmd/compile says:
 //
 // //go:linkname localname [importpath.name]
 //