Fix printf violations inside of the gvisor code

Recently printf.Analyzer has become stricter
(https://github.com/golang/go/issues/60529)
which led to new findings.
gvisor nogo tests run this analyzer and fail if it produces findings.

PiperOrigin-RevId: 671657227

pkg/sentry/control/cgroups.go

@@ -56,7 +56,7 @@ type CgroupsResult struct {
 // AsError interprets the result as an error.
 func (r *CgroupsResult) AsError() error {
 	if r.IsError {
-		return fmt.Errorf(r.Data)
+		return fmt.Errorf("%s", r.Data)
 	}
 	return nil
 }
@@ -64,7 +64,7 @@ func (r *CgroupsResult) AsError() error {
 // Unpack splits CgroupsResult into a (value, error) tuple.
 func (r *CgroupsResult) Unpack() (string, error) {
 	if r.IsError {
-		return "", fmt.Errorf(r.Data)
+		return "", fmt.Errorf("%s", r.Data)
 	}
 	return r.Data, nil
 }

pkg/tcpip/nftables/nftinterp_test.go

@@ -48,7 +48,7 @@ func checkOp(t *testing.T, test interpretOperationTestAction, checkFunc func(str
 		t.Fatalf("expected non-nil operation for %s, got nil", test.tname)
 	}
 	if err := checkFunc(test.tname, test.expected, actual); err != nil {
-		t.Fatalf(err.Error())
+		t.Fatalf("%s", err.Error())
 	}
 }
 
@@ -815,11 +815,11 @@ func TestInterpretRule(t *testing.T) {
 				switch testOp.(type) {
 				case *immediate:
 					if err := checkImmediateOp(test.tname, testOp, op); err != nil {
-						t.Fatalf(err.Error())
+						t.Fatalf("%s", err.Error())
 					}
 				case *comparison:
 					if err := checkComparisonOp(test.tname, testOp, op); err != nil {
-						t.Fatalf(err.Error())
+						t.Fatalf("%s", err.Error())
 					}
 				// TODO(b/345684870): cases will be added here as more types are supported.
 				default:

pkg/test/dockerutil/profile_test.go

@@ -101,7 +101,7 @@ func TestProfile(t *testing.T) {
 
 			// Check all expected files exist and have data.
 			if err := checkFiles(localProfile.BasePath, tc.expectedFiles); err != nil {
-				t.Fatalf(err.Error())
+				t.Fatalf("%s", err.Error())
 			}
 		})
 	}

runsc/cli/main.go

@@ -88,7 +88,7 @@ func Main() {
 	// Create a new Config from the flags.
 	conf, err := config.NewFromFlags(flag.CommandLine)
 	if err != nil {
-		util.Fatalf(err.Error())
+		util.Fatalf("%s", err.Error())
 	}
 
 	var errorLogger io.Writer

runsc/cmd/debug.go

@@ -210,7 +210,7 @@ func (d *Debug) Execute(_ context.Context, f *flag.FlagSet, args ...any) subcomm
 		}
 
 		if err := c.Sandbox.ChangeLogging(args); err != nil {
-			return util.Errorf(err.Error())
+			return util.Errorf("%s", err.Error())
 		}
 		util.Infof("Logging options changed")
 	}
@@ -235,7 +235,7 @@ func (d *Debug) Execute(_ context.Context, f *flag.FlagSet, args ...any) subcomm
 		src := opts[1]
 		dest := opts[2]
 		if err := c.Sandbox.Mount(c.ID, fstype, src, dest); err != nil {
-			util.Fatalf(err.Error())
+			util.Fatalf("%s", err.Error())
 		}
 	}
 

runsc/cmd/metricserver/metricserver_main.go

@@ -38,7 +38,7 @@ type cmd struct {
 func (c *cmd) Execute(ctx context.Context, f *flag.FlagSet, args ...any) subcommands.ExitStatus {
 	conf, err := config.NewFromFlags(flag.CommandLine)
 	if err != nil {
-		util.Fatalf(err.Error())
+		util.Fatalf("%s", err.Error())
 	}
 	if conf.MetricServer == "" || conf.RootDir == "" {
 		flag.CommandLine.Usage()

runsc/container/container.go

@@ -889,7 +889,7 @@ func (c *Container) Destroy() error {
 	if len(errs) == 0 {
 		return nil
 	}
-	return fmt.Errorf(strings.Join(errs, "\n"))
+	return fmt.Errorf("%s", strings.Join(errs, "\n"))
 }
 
 func (c *Container) sandboxID() string {

runsc/sandbox/sandbox.go

@@ -1751,7 +1751,7 @@ func checkBinaryPermissions(conf *config.Config) error {
 	}
 
 	if info.Mode().Perm()&neededBits != neededBits {
-		return fmt.Errorf(specutils.FaqErrorMsg("runsc-perms", fmt.Sprintf("%s does not have the correct permissions", exePath)))
+		return fmt.Errorf("%s", specutils.FaqErrorMsg("runsc-perms", fmt.Sprintf("%s does not have the correct permissions", exePath)))
 	}
 	return nil
 }

tools/checkaligned/checkaligned.go

@@ -101,7 +101,7 @@ func run(pass *analysis.Pass) (any, error) {
 					}
 					typeNameLen += 2 // Account for the "32" or "64" suffix.
 					typeName := blocked[len(blocked)-typeNameLen:]
-					pass.Reportf(selExpr.Pos(), fmt.Sprintf("don't call atomic.%s; use atomicbitops.%s instead", blocked, typeName))
+					pass.Reportf(selExpr.Pos(), "%s", fmt.Sprintf("don't call atomic.%s; use atomicbitops.%s instead", blocked, typeName))
 				}
 			}
 

tools/checkescape/checkescape.go

@@ -340,7 +340,7 @@ func (es *Escapes) Reportf(pass *analysis.Pass) {
 			fmt.Fprintf(&b, "→ %s ", cs.Resolved.String())
 		}
 		fmt.Fprintf(&b, "→ %s", es.Details[r])
-		pass.Reportf(es.CallSites[r][0].LocalPos, b.String())
+		pass.Reportf(es.CallSites[r][0].LocalPos, "%s", b.String())
 	}
 }
 
@@ -930,7 +930,7 @@ func run(pass *analysis.Pass, binary io.Reader) (any, error) {
 			}
 			for reason, local := range testReasons {
 				// We didn't find the escapes we wanted.
-				pass.Reportf(fdecl.Pos(), fmt.Sprintf("testescapes not found: reason=%s, local=%t", reason, local))
+				pass.Reportf(fdecl.Pos(), "%s", fmt.Sprintf("testescapes not found: reason=%s, local=%t", reason, local))
 			}
 			if len(testReasons) > 0 {
 				// Report for debugging.

tools/checkunsafe/check_unsafe.go

@@ -49,7 +49,7 @@ func run(pass *analysis.Pass) (any, error) {
 			}
 
 			// Throw the error.
-			pass.Reportf(imp.Pos(), fmt.Sprintf("package unsafe imported by %s; must end with _unsafe.go", path.Base(filename)))
+			pass.Reportf(imp.Pos(), "%s", fmt.Sprintf("package unsafe imported by %s; must end with _unsafe.go", path.Base(filename)))
 		}
 	}
 	return nil, nil

tools/go_marshal/gomarshal/generator_interfaces_primitive_newtype.go

@@ -86,7 +86,7 @@ func (g *interfaceGenerator) validatePrimitiveNewtype(t *ast.Ident) {
 	case "string":
 		g.abortAt(t.Pos(), "Type 'string' is dynamically-sized and cannot be marshalled, use a fixed size byte array '[...]byte' instead")
 	default:
-		debugfAt(g.f.Position(t.Pos()), fmt.Sprintf("Found derived type '%s', will attempt dispatch via marshal.Marshallable.\n", t.Name))
+		debugfAt(g.f.Position(t.Pos()), "%s", fmt.Sprintf("Found derived type '%s', will attempt dispatch via marshal.Marshallable.\n", t.Name))
 	}
 }
 

tools/go_marshal/gomarshal/generator_interfaces_struct.go

@@ -76,7 +76,7 @@ func (g *interfaceGenerator) isStructPacked(st *ast.StructType) bool {
 			if f.Tag.Value == "`marshal:\"unaligned\"`" {
 				if packed {
 					debugfAt(g.f.Position(g.t.Pos()),
-						fmt.Sprintf("Marking type '%s' as not packed due to tag `marshal:\"unaligned\"`.\n", g.t.Name))
+						"%s", fmt.Sprintf("Marking type '%s' as not packed due to tag `marshal:\"unaligned\"`.\n", g.t.Name))
 					packed = false
 				}
 			}