From 2cb19ad9e60a9ad9bb7904fdb6b40b457125d3bb Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Sun, 11 Sep 2022 18:00:17 +0900
Subject: [PATCH 1/9] fix case if unmarshal crashed data

---
 internal/decoding/bin.go       |  20 +++++--
 internal/decoding/complex.go   |  70 ++++++++++++++++++-----
 internal/decoding/decoding.go  |  15 +++--
 internal/decoding/float.go     |  25 +++++++--
 internal/decoding/int.go       |  55 ++++++++++++++----
 internal/decoding/interface.go |  24 +++++++-
 internal/decoding/map.go       |  15 ++++-
 internal/decoding/read.go      |  31 +++++-----
 internal/decoding/slice.go     |  15 ++++-
 internal/decoding/string.go    |  28 ++++++---
 internal/decoding/struct.go    | 100 ++++++++++++++++++++++++++-------
 internal/decoding/uint.go      |  55 ++++++++++++++----
 12 files changed, 352 insertions(+), 101 deletions(-)

diff --git a/internal/decoding/bin.go b/internal/decoding/bin.go
index 7855a77..7789640 100644
--- a/internal/decoding/bin.go
+++ b/internal/decoding/bin.go
@@ -17,20 +17,32 @@ func (d *decoder) isCodeBin(v byte) bool {
 }
 
 func (d *decoder) asBin(offset int, k reflect.Kind) ([]byte, int, error) {
-	code, offset := d.readSize1(offset)
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return emptyBytes, 0, err
+	}
 
 	switch code {
 	case def.Bin8:
-		l, offset := d.readSize1(offset)
+		l, offset, err := d.readSize1(offset)
+		if err != nil {
+			return emptyBytes, 0, err
+		}
 		o := offset + int(uint8(l))
 		return d.data[offset:o], o, nil
 	case def.Bin16:
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
 		o := offset + int(binary.BigEndian.Uint16(bs))
+		if err != nil {
+			return emptyBytes, 0, err
+		}
 		return d.data[offset:o], o, nil
 	case def.Bin32:
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
 		o := offset + int(binary.BigEndian.Uint32(bs))
+		if err != nil {
+			return emptyBytes, 0, err
+		}
 		return d.data[offset:o], o, nil
 	}
 
diff --git a/internal/decoding/complex.go b/internal/decoding/complex.go
index b5e5efc..819c82e 100644
--- a/internal/decoding/complex.go
+++ b/internal/decoding/complex.go
@@ -10,27 +10,48 @@ import (
 )
 
 func (d *decoder) asComplex64(offset int, k reflect.Kind) (complex64, int, error) {
-	code, offset := d.readSize1(offset)
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return complex(0, 0), 0, err
+	}
 
 	switch code {
 	case def.Fixext8:
-		t, offset := d.readSize1(offset)
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		if int8(t) != def.ComplexTypeCode() {
 			return complex(0, 0), 0, fmt.Errorf("fixext8. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
 		}
-		rb, offset := d.readSize4(offset)
-		ib, offset := d.readSize4(offset)
+		rb, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		r := math.Float32frombits(binary.BigEndian.Uint32(rb))
 		i := math.Float32frombits(binary.BigEndian.Uint32(ib))
 		return complex(r, i), offset, nil
 
 	case def.Fixext16:
-		t, offset := d.readSize1(offset)
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		if int8(t) != def.ComplexTypeCode() {
 			return complex(0, 0), 0, fmt.Errorf("fixext16. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
 		}
-		rb, offset := d.readSize8(offset)
-		ib, offset := d.readSize8(offset)
+		rb, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		r := math.Float64frombits(binary.BigEndian.Uint64(rb))
 		i := math.Float64frombits(binary.BigEndian.Uint64(ib))
 		return complex64(complex(r, i)), offset, nil
@@ -41,27 +62,48 @@ func (d *decoder) asComplex64(offset int, k reflect.Kind) (complex64, int, error
 }
 
 func (d *decoder) asComplex128(offset int, k reflect.Kind) (complex128, int, error) {
-	code, offset := d.readSize1(offset)
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return complex(0, 0), 0, err
+	}
 
 	switch code {
 	case def.Fixext8:
-		t, offset := d.readSize1(offset)
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		if int8(t) != def.ComplexTypeCode() {
 			return complex(0, 0), 0, fmt.Errorf("fixext8. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
 		}
-		rb, offset := d.readSize4(offset)
-		ib, offset := d.readSize4(offset)
+		rb, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		r := math.Float32frombits(binary.BigEndian.Uint32(rb))
 		i := math.Float32frombits(binary.BigEndian.Uint32(ib))
 		return complex128(complex(r, i)), offset, nil
 
 	case def.Fixext16:
-		t, offset := d.readSize1(offset)
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		if int8(t) != def.ComplexTypeCode() {
 			return complex(0, 0), 0, fmt.Errorf("fixext16. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
 		}
-		rb, offset := d.readSize8(offset)
-		ib, offset := d.readSize8(offset)
+		rb, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
 		r := math.Float64frombits(binary.BigEndian.Uint64(rb))
 		i := math.Float64frombits(binary.BigEndian.Uint64(ib))
 		return complex(r, i), offset, nil
diff --git a/internal/decoding/decoding.go b/internal/decoding/decoding.go
index 9e4eebb..93a1a77 100644
--- a/internal/decoding/decoding.go
+++ b/internal/decoding/decoding.go
@@ -18,10 +18,9 @@ type decoder struct {
 func Decode(data []byte, v interface{}, asArray bool) error {
 	d := decoder{data: data, asArray: asArray}
 
-	if d.data == nil {
-		return fmt.Errorf("data is nil")
+	if d.data == nil || len(d.data) < 1 {
+		return fmt.Errorf("data is emtpy")
 	}
-
 	rv := reflect.ValueOf(v)
 	if rv.Kind() != reflect.Ptr {
 		return fmt.Errorf("holder must set pointer value. but got: %t", v)
@@ -120,7 +119,10 @@ func (d *decoder) decode(rv reflect.Value, offset int) (int, error) {
 			if err != nil {
 				return 0, err
 			}
-			bs, offset := d.asStringByteByLength(offset, l, k)
+			bs, offset, err := d.asStringByteByLength(offset, l, k)
+			if err != nil {
+				return 0, err
+			}
 			rv.SetBytes(bs)
 			return offset, nil
 		}
@@ -201,7 +203,10 @@ func (d *decoder) decode(rv reflect.Value, offset int) (int, error) {
 			if l > rv.Len() {
 				return 0, fmt.Errorf("%v len is %d, but msgpack has %d elements", rv.Type(), rv.Len(), l)
 			}
-			bs, offset := d.asStringByteByLength(offset, l, k)
+			bs, offset, err := d.asStringByteByLength(offset, l, k)
+			if err != nil {
+				return 0, err
+			}
 			for i, b := range bs {
 				rv.Index(i).SetUint(uint64(b))
 			}
diff --git a/internal/decoding/float.go b/internal/decoding/float.go
index 3f3a93b..8483ba5 100644
--- a/internal/decoding/float.go
+++ b/internal/decoding/float.go
@@ -9,12 +9,18 @@ import (
 )
 
 func (d *decoder) asFloat32(offset int, k reflect.Kind) (float32, int, error) {
-	code := d.data[offset]
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case code == def.Float32:
 		offset++
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := math.Float32frombits(binary.BigEndian.Uint32(bs))
 		return v, offset, nil
 
@@ -40,18 +46,27 @@ func (d *decoder) asFloat32(offset int, k reflect.Kind) (float32, int, error) {
 }
 
 func (d *decoder) asFloat64(offset int, k reflect.Kind) (float64, int, error) {
-	code := d.data[offset]
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case code == def.Float64:
 		offset++
-		bs, offset := d.readSize8(offset)
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := math.Float64frombits(binary.BigEndian.Uint64(bs))
 		return v, offset, nil
 
 	case code == def.Float32:
 		offset++
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := math.Float32frombits(binary.BigEndian.Uint32(bs))
 		return float64(v), offset, nil
 
diff --git a/internal/decoding/int.go b/internal/decoding/int.go
index 04a0d8f..92967eb 100644
--- a/internal/decoding/int.go
+++ b/internal/decoding/int.go
@@ -17,59 +17,92 @@ func (d *decoder) isNegativeFixNum(v byte) bool {
 
 func (d *decoder) asInt(offset int, k reflect.Kind) (int64, int, error) {
 
-	code := d.data[offset]
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case d.isPositiveFixNum(code):
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int64(b), offset, nil
 
 	case d.isNegativeFixNum(code):
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int64(int8(b)), offset, nil
 
 	case code == def.Uint8:
 		offset++
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int64(uint8(b)), offset, nil
 
 	case code == def.Int8:
 		offset++
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int64(int8(b)), offset, nil
 
 	case code == def.Uint16:
 		offset++
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := binary.BigEndian.Uint16(bs)
 		return int64(v), offset, nil
 
 	case code == def.Int16:
 		offset++
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := int16(binary.BigEndian.Uint16(bs))
 		return int64(v), offset, nil
 
 	case code == def.Uint32:
 		offset++
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := binary.BigEndian.Uint32(bs)
 		return int64(v), offset, nil
 
 	case code == def.Int32:
 		offset++
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := int32(binary.BigEndian.Uint32(bs))
 		return int64(v), offset, nil
 
 	case code == def.Uint64:
 		offset++
-		bs, offset := d.readSize8(offset)
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int64(binary.BigEndian.Uint64(bs)), offset, nil
 
 	case code == def.Int64:
 		offset++
-		bs, offset := d.readSize8(offset)
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int64(binary.BigEndian.Uint64(bs)), offset, nil
 
 	case code == def.Float32:
diff --git a/internal/decoding/interface.go b/internal/decoding/interface.go
index fba11b3..e67bd7c 100644
--- a/internal/decoding/interface.go
+++ b/internal/decoding/interface.go
@@ -1,13 +1,17 @@
 package decoding
 
 import (
+	"fmt"
 	"reflect"
 
 	"github.com/shamaton/msgpack/v2/def"
 )
 
 func (d *decoder) asInterface(offset int, k reflect.Kind) (interface{}, int, error) {
-	code := d.data[offset]
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case code == def.Nil:
@@ -123,6 +127,9 @@ func (d *decoder) asInterface(offset int, k reflect.Kind) (interface{}, int, err
 		}
 		v := make(map[interface{}]interface{}, l)
 		for i := 0; i < l; i++ {
+			if d.canSetAsMapKey(o) != nil {
+				return nil, 0, err
+			}
 			key, o2, err := d.asInterface(o, k)
 			if err != nil {
 				return nil, 0, err
@@ -158,6 +165,19 @@ func (d *decoder) asInterface(offset int, k reflect.Kind) (interface{}, int, err
 			return v, offset, nil
 		}
 	}
-
 	return nil, 0, d.errorTemplate(code, k)
 }
+
+func (d *decoder) canSetAsMapKey(index int) error {
+	code, _, err := d.readSize1(index)
+	if err != nil {
+		return err
+	}
+	switch {
+	case d.isFixSlice(code), code == def.Array16, code == def.Array32:
+		return fmt.Errorf("can not use slice code for map key/ code: %x", code)
+	case d.isFixMap(code), code == def.Map16, code == def.Map32:
+		return fmt.Errorf("can not use map code for map key/ code: %x", code)
+	}
+	return nil
+}
diff --git a/internal/decoding/map.go b/internal/decoding/map.go
index 34308d5..3e02804 100644
--- a/internal/decoding/map.go
+++ b/internal/decoding/map.go
@@ -59,16 +59,25 @@ func (d *decoder) isFixMap(v byte) bool {
 }
 
 func (d *decoder) mapLength(offset int, k reflect.Kind) (int, int, error) {
-	code, offset := d.readSize1(offset)
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case d.isFixMap(code):
 		return int(code - def.FixMap), offset, nil
 	case code == def.Map16:
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(binary.BigEndian.Uint16(bs)), offset, nil
 	case code == def.Map32:
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(binary.BigEndian.Uint32(bs)), offset, nil
 	}
 	return 0, 0, d.errorTemplate(code, k)
diff --git a/internal/decoding/read.go b/internal/decoding/read.go
index 4fd5e5b..5d976bc 100644
--- a/internal/decoding/read.go
+++ b/internal/decoding/read.go
@@ -1,29 +1,34 @@
 package decoding
 
 import (
+	"errors"
+
 	"github.com/shamaton/msgpack/v2/def"
 )
 
-func (d *decoder) readSize1(index int) (byte, int) {
+func (d *decoder) readSize1(index int) (byte, int, error) {
 	rb := def.Byte1
-	return d.data[index], index + rb
+	if len(d.data) < index+rb {
+		return 0, 0, errors.New("too short bytes")
+	}
+	return d.data[index], index + rb, nil
 }
 
-func (d *decoder) readSize2(index int) ([]byte, int) {
-	rb := def.Byte2
-	return d.data[index : index+rb], index + rb
+func (d *decoder) readSize2(index int) ([]byte, int, error) {
+	return d.readSizeN(index, def.Byte2)
 }
 
-func (d *decoder) readSize4(index int) ([]byte, int) {
-	rb := def.Byte4
-	return d.data[index : index+rb], index + rb
+func (d *decoder) readSize4(index int) ([]byte, int, error) {
+	return d.readSizeN(index, def.Byte4)
 }
 
-func (d *decoder) readSize8(index int) ([]byte, int) {
-	rb := def.Byte8
-	return d.data[index : index+rb], index + rb
+func (d *decoder) readSize8(index int) ([]byte, int, error) {
+	return d.readSizeN(index, def.Byte8)
 }
 
-func (d *decoder) readSizeN(index, n int) ([]byte, int) {
-	return d.data[index : index+n], index + n
+func (d *decoder) readSizeN(index, n int) ([]byte, int, error) {
+	if len(d.data) < index+n {
+		return emptyBytes, 0, errors.New("too short bytes")
+	}
+	return d.data[index : index+n], index + n, nil
 }
diff --git a/internal/decoding/slice.go b/internal/decoding/slice.go
index 1473952..a95fbc7 100644
--- a/internal/decoding/slice.go
+++ b/internal/decoding/slice.go
@@ -33,16 +33,25 @@ func (d *decoder) isFixSlice(v byte) bool {
 }
 
 func (d *decoder) sliceLength(offset int, k reflect.Kind) (int, int, error) {
-	code, offset := d.readSize1(offset)
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case d.isFixSlice(code):
 		return int(code - def.FixArray), offset, nil
 	case code == def.Array16:
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(binary.BigEndian.Uint16(bs)), offset, nil
 	case code == def.Array32:
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(binary.BigEndian.Uint32(bs)), offset, nil
 	}
 	return 0, 0, d.errorTemplate(code, k)
diff --git a/internal/decoding/string.go b/internal/decoding/string.go
index ae5a515..9aaf74d 100644
--- a/internal/decoding/string.go
+++ b/internal/decoding/string.go
@@ -19,20 +19,31 @@ func (d *decoder) isFixString(v byte) bool {
 }
 
 func (d *decoder) stringByteLength(offset int, k reflect.Kind) (int, int, error) {
-	code := d.data[offset]
-	offset++
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	if def.FixStr <= code && code <= def.FixStr+0x1f {
 		l := int(code - def.FixStr)
 		return l, offset, nil
 	} else if code == def.Str8 {
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(b), offset, nil
 	} else if code == def.Str16 {
-		b, offset := d.readSize2(offset)
+		b, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(binary.BigEndian.Uint16(b)), offset, nil
 	} else if code == def.Str32 {
-		b, offset := d.readSize4(offset)
+		b, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return int(binary.BigEndian.Uint32(b)), offset, nil
 	} else if code == def.Nil {
 		return 0, offset, nil
@@ -54,13 +65,12 @@ func (d *decoder) asStringByte(offset int, k reflect.Kind) ([]byte, int, error)
 		return emptyBytes, 0, err
 	}
 
-	b, o := d.asStringByteByLength(offset, l, k)
-	return b, o, nil
+	return d.asStringByteByLength(offset, l, k)
 }
 
-func (d *decoder) asStringByteByLength(offset int, l int, k reflect.Kind) ([]byte, int) {
+func (d *decoder) asStringByteByLength(offset int, l int, k reflect.Kind) ([]byte, int, error) {
 	if l < 1 {
-		return emptyBytes, offset
+		return emptyBytes, offset, nil
 	}
 
 	return d.readSizeN(offset, l)
diff --git a/internal/decoding/struct.go b/internal/decoding/struct.go
index 2169d39..0e20561 100644
--- a/internal/decoding/struct.go
+++ b/internal/decoding/struct.go
@@ -83,7 +83,10 @@ func (d *decoder) setStructFromArray(rv reflect.Value, offset int, k reflect.Kin
 				return 0, err
 			}
 		} else {
-			o = d.jumpOffset(o)
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
 		}
 	}
 	return o, nil
@@ -141,15 +144,22 @@ func (d *decoder) setStructFromMap(rv reflect.Value, offset int, k reflect.Kind)
 				return 0, err
 			}
 		} else {
-			o2 = d.jumpOffset(o2)
+			o2, err = d.jumpOffset(o2)
+			if err != nil {
+				return 0, err
+			}
 		}
 		o = o2
 	}
 	return o, nil
 }
 
-func (d *decoder) jumpOffset(offset int) int {
-	code, offset := d.readSize1(offset)
+func (d *decoder) jumpOffset(offset int) (int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, err
+	}
+
 	switch {
 	case code == def.True, code == def.False, code == def.Nil:
 		// do nothing
@@ -168,55 +178,94 @@ func (d *decoder) jumpOffset(offset int) int {
 	case d.isFixString(code):
 		offset += int(code - def.FixStr)
 	case code == def.Str8, code == def.Bin8:
-		b, o := d.readSize1(offset)
+		b, o, err := d.readSize1(offset)
+		if err != nil {
+			return 0, err
+		}
 		o += int(b)
 		offset = o
 	case code == def.Str16, code == def.Bin16:
-		bs, o := d.readSize2(offset)
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
 		o += int(binary.BigEndian.Uint16(bs))
 		offset = o
 	case code == def.Str32, code == def.Bin32:
-		bs, o := d.readSize4(offset)
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
 		o += int(binary.BigEndian.Uint32(bs))
 		offset = o
 
 	case d.isFixSlice(code):
 		l := int(code - def.FixArray)
 		for i := 0; i < l; i++ {
-			offset = d.jumpOffset(offset)
+			offset, err = d.jumpOffset(offset)
+			if err != nil {
+				return 0, err
+			}
 		}
 	case code == def.Array16:
-		bs, o := d.readSize2(offset)
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
 		l := int(binary.BigEndian.Uint16(bs))
 		for i := 0; i < l; i++ {
-			o = d.jumpOffset(o)
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
 		}
 		offset = o
 	case code == def.Array32:
-		bs, o := d.readSize4(offset)
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
 		l := int(binary.BigEndian.Uint32(bs))
 		for i := 0; i < l; i++ {
-			o = d.jumpOffset(o)
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
 		}
 		offset = o
 
 	case d.isFixMap(code):
 		l := int(code - def.FixMap)
 		for i := 0; i < l*2; i++ {
-			offset = d.jumpOffset(offset)
+			offset, err = d.jumpOffset(offset)
+			if err != nil {
+				return 0, err
+			}
 		}
 	case code == def.Map16:
-		bs, o := d.readSize2(offset)
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
 		l := int(binary.BigEndian.Uint16(bs))
 		for i := 0; i < l*2; i++ {
-			o = d.jumpOffset(o)
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
 		}
 		offset = o
 	case code == def.Map32:
-		bs, o := d.readSize4(offset)
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
 		l := int(binary.BigEndian.Uint32(bs))
 		for i := 0; i < l*2; i++ {
-			o = d.jumpOffset(o)
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
 		}
 		offset = o
 
@@ -232,18 +281,27 @@ func (d *decoder) jumpOffset(offset int) int {
 		offset += def.Byte1 + def.Byte16
 
 	case code == def.Ext8:
-		b, o := d.readSize1(offset)
+		b, o, err := d.readSize1(offset)
+		if err != nil {
+			return 0, err
+		}
 		o += def.Byte1 + int(b)
 		offset = o
 	case code == def.Ext16:
-		bs, o := d.readSize2(offset)
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
 		o += def.Byte1 + int(binary.BigEndian.Uint16(bs))
 		offset = o
 	case code == def.Ext32:
-		bs, o := d.readSize4(offset)
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
 		o += def.Byte1 + int(binary.BigEndian.Uint32(bs))
 		offset = o
 
 	}
-	return offset
+	return offset, nil
 }
diff --git a/internal/decoding/uint.go b/internal/decoding/uint.go
index 68df1c3..cd739fc 100644
--- a/internal/decoding/uint.go
+++ b/internal/decoding/uint.go
@@ -9,59 +9,92 @@ import (
 
 func (d *decoder) asUint(offset int, k reflect.Kind) (uint64, int, error) {
 
-	code := d.data[offset]
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
 
 	switch {
 	case d.isPositiveFixNum(code):
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return uint64(b), offset, nil
 
 	case d.isNegativeFixNum(code):
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return uint64(int8(b)), offset, nil
 
 	case code == def.Uint8:
 		offset++
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return uint64(uint8(b)), offset, nil
 
 	case code == def.Int8:
 		offset++
-		b, offset := d.readSize1(offset)
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return uint64(int8(b)), offset, nil
 
 	case code == def.Uint16:
 		offset++
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := binary.BigEndian.Uint16(bs)
 		return uint64(v), offset, nil
 
 	case code == def.Int16:
 		offset++
-		bs, offset := d.readSize2(offset)
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := int16(binary.BigEndian.Uint16(bs))
 		return uint64(v), offset, nil
 
 	case code == def.Uint32:
 		offset++
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := binary.BigEndian.Uint32(bs)
 		return uint64(v), offset, nil
 
 	case code == def.Int32:
 		offset++
-		bs, offset := d.readSize4(offset)
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		v := int32(binary.BigEndian.Uint32(bs))
 		return uint64(v), offset, nil
 
 	case code == def.Uint64:
 		offset++
-		bs, offset := d.readSize8(offset)
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return binary.BigEndian.Uint64(bs), offset, nil
 
 	case code == def.Int64:
 		offset++
-		bs, offset := d.readSize8(offset)
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
 		return binary.BigEndian.Uint64(bs), offset, nil
 
 	case code == def.Nil:

From 2e8fd17f59a8f13ef337ea517f8834f558aab899 Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Sun, 11 Sep 2022 18:00:38 +0900
Subject: [PATCH 2/9] add test & testdata/crashers

---
 crash_test.go                                 |  72 ++++++++++++++++++
 .../007424b0caabdaf653d7efeb3ce6c1c127f628c6  |   1 +
 .../01d1844ec3cdec0e8d60d81fcded73f920270e9c  |   1 +
 .../049b2af75fc4ee7160c7ea9bad41a5167b501d32  |   1 +
 .../051d081de15ae4680b4156046787aae72ae0adcc  |   1 +
 .../063fea9d12105a80ee56a482aac428543fcf8d49  |   1 +
 .../080c57e02ab7e704e2a2e93aad7674a574dc9d69  |   1 +
 .../0d45579ce9ef9c1ca6e945d3f21ad31097f0c3c0  |   1 +
 .../0f7994b18fb75394c81005c925dd1ae153ad57ad  |   1 +
 .../121a9af889bd4ca2266be5a4f680d3bead8d02d6  |   1 +
 .../19eb9972c2a406f15bbae850ac33b42ebd88f7a7  |   1 +
 .../1a3492dbf0b80d08f12ce49c620239e48b74c08c  |   1 +
 .../1ae8bba51072f9ff2bdf587596cfb0edf8a5cd12  |   1 +
 .../1b274070ce90f8ccdf0fc33a4afd4e1455766f8b  |   1 +
 .../1d49f1635e901393bf65a263810508bea7ec9d51  |   1 +
 .../1e2c5c5ac7754f3e3fd858ce644b6621da2f4d03  |   1 +
 .../236cfc19fdc31facdfe306e479a52bb3c08cb540  |   1 +
 .../2478b7ed4fe72f5030a22146ecf365adba0dc780  |   1 +
 .../24b5d7868ba6df6da0e26365e10fc15bcf72cca6  |   1 +
 .../255b827f8c0a593c5ee7610cdbd31c656f166a37  |   1 +
 .../2a8cbfc34aa4aefa008e9e18276e32fa5e8f56d8  |   1 +
 .../2ba0c664eff181eeb2b101f60c5ca66397f4c386  |   1 +
 .../2c34cfd27e783430e24c2af05361af3540b4d6ad  |   1 +
 .../2c4dd5af849b5cda2b7769dc52706e5fa746de73  |   1 +
 .../2cdb9f5adf53f1054ce8e6ceba007396ce6b734b  |   1 +
 .../30140397fe38ee61f01eff44b5cfa48285e47889  |   1 +
 .../321500ed9a1796dca3d559d8f129ed31a8790035  |   1 +
 .../3219e4d65ac8671a452900514bc3c7aea2e71be3  |   1 +
 .../36a5cc93968072de9d120643033589df4f316997  |   1 +
 .../3abe9a29f2b95f34da65d88b969e58f4b46b6309  |   1 +
 .../3e5a9e8b50fcdcbe08f8138de6b95b5cd5b69bf2  |   1 +
 .../3f0062c38d031b015f1a8bb82bd370b65d5ca35a  |   1 +
 .../4670a8e0d21a624c0d42fd6dc76ef408d2b4e195  |   1 +
 .../47393c214b8f5a3d3c098e3985d24bd1e8d82a85  |   1 +
 .../48947b6f943721ce84ef81e887a16bde2759f7ab  |   1 +
 .../49989f6a8875777519c822a92c821cbb95bfc360  |   1 +
 .../4aaffe149efbd0ab6f122a4dc6e9e9aa0a602799  |   1 +
 .../4b65bf83d9b292f65bb5d1b056d68a4811732ef3  |   1 +
 .../4c156cb396c967d81bf3615cbd5ba74221a9c622  |   1 +
 .../4fb8cfeaaac80a1c829b22a43089ef470bcfe5b8  |   1 +
 .../502804b3665c5eb935d6f66e7677f75242f516bb  |   1 +
 .../56ff31c3b76d37929e45071a36ca5aa0bc386e09  |   1 +
 .../5bc56c0f00870625b5016a8d242ebe5c2a58802b  |   1 +
 .../5e8c489081abe671d760e1840b526f43bc7e6aa3  |   1 +
 .../5ec02b6349403b523d33576c7e2de27fb345edf0  |   1 +
 .../6351ed5a9ac9cbb709ad15b4193edb52b8d37e84  |   1 +
 .../673480b070ea0508c3510627c81a4b519fb7d2f5  |   1 +
 .../683f06bff1a62b73193352f06a7194f0bf60ffb8  |   1 +
 .../68a5e75e9b42928454b320fe8f64ea107e61f60f  |   1 +
 .../68be1e92e40e77926e1d9a5c2d800da023f6a4e9  |   1 +
 .../6b7395dabfc4d5a76e276f222c64c4bf7771ffb7  |   1 +
 .../707235f5352edef615d64d00d83fcf92c9dffa57  |   1 +
 .../71819c849b41ee2f4a5b08321b9fc8bf21326ddf  |   1 +
 .../730377e1be92f426661e434d4f1cf20a10e16991  |   1 +
 .../73728d128f628772a64990a72340d9fd7987e29b  |   1 +
 .../73cc8fe38acd489c2b1fed0a66222aac4e04cc98  |   1 +
 .../74fe2a4034b08b5ecb014b2596e7f21ab55ea729  |   1 +
 .../79aed363731b28a60abf16190df3d60fd1d88e54  |   1 +
 .../7a1d04a0253fbb956c8119c40dc917cb460dabb0  |   1 +
 .../7a96d469f87b8c0fa00a944669469db9c8246714  |   1 +
 .../7b21df3bb234142e7b2dfc81f84eb621f9c7a617  |   1 +
 .../7cd196c0e83037dd1c7aa060e3919f530d5eaa13  | Bin 0 -> 63 bytes
 .../8611c05469f8e623e1e035e578d1d50ff2a54e11  |   1 +
 .../861648845b817281bffa42d8ca1c46443cef5cd8  |   1 +
 .../86f9eb6ebcae33f4d3663f90adf430f6d7b5e57c  |   1 +
 .../8a90278d26f66fd78e4e38da237c201707bf7ab3  |   1 +
 .../8de4d4284d8227a753986639b1d6e698bc683d8a  |   1 +
 .../8e4cb24fea75d067b0d9a5598fdeb66490777000  |   1 +
 .../900843bfb3730b31165e6d480bb212854380de72  | Bin 0 -> 55 bytes
 .../964ac50bf26ecb3d0253e5e288484776bbf0abdf  |   1 +
 .../98d2aa10f9c5e6d9b1a6fb3dcc6583aa5631882a  |   1 +
 .../9ae8dabd9621f44592757414f83d26df04e55bca  |   1 +
 .../9b982d96821f364683a7a9cc2495cccc7d5bb705  |   1 +
 .../9ded617601151e2a3dde370fe42f206f6dd38f42  |   1 +
 .../9e2487eee9a3b9f415c36aed893ed2da3d3bace6  |   1 +
 .../9f733d3115030339e63922d6e35920f9dba1207e  |   1 +
 .../a0bb3eef10ad343fdf00adc2c7a2fab0e4dd679f  |   1 +
 .../a611449daf97af318de6495f22c907ecb1f83076  |   1 +
 .../a8c1d81ff50e57abc043f8bbcc87ce0e123285a7  |   1 +
 .../aa1a1bd5b7953186af6c9f2e8f757247fdffa9ce  |   1 +
 .../b7471e724dfba20b71265eb8f8315ff5add6ccad  |   1 +
 .../b9df95e660f5bc5d66f2ad7c49339cb3d62d2a99  |   1 +
 .../bc22b685617fec260cb94cb1ab9822e393924a35  |   1 +
 .../c1a1ed4a1a749c9e38da920c66a4c425e169566b  |   1 +
 .../c41c1a47577c69284cae60d785ddb240dc3739db  |   1 +
 .../c4ee5a4632d4f9a51ba57a70cfa2cae832460857  |   1 +
 .../c9388db618e924f41e419ccddc068b443657ffa4  |   1 +
 .../ce7c29332788aa93186591aceaad307ffbdf9735  |   1 +
 .../da39a3ee5e6b4b0d3255bfef95601890afd80709  |   0
 .../df0c1e8999119939ea4f07c2daeb57b868bb0719  |   1 +
 .../e2d6b6d4d9b8346067d2252bfbcefff99a24ed21  |   1 +
 .../e62ebb1ab82b8cf630f2b393d89c367dd0b25924  |   1 +
 .../e906f0d49a1b91f0b93d64c36bf5a764924ce45f  |   1 +
 .../ead2a4908cb1750ae6f619656ebf74b153edab25  |   1 +
 .../eae5f62c3fc844275194f17d530d26ceafcf941b  |   1 +
 .../eb9a0e5a353364b221b1e1e3115d34d7948e9ae9  | Bin 0 -> 51 bytes
 .../edb2dfda8124a5c5935dd1d449f493e868d9f9c0  |   1 +
 .../f023f3307ef4fe6b9d8ea2c0ea4fb3bc954f2888  |   1 +
 .../f1ec5f959e75412b01270a861f1f1ecdfda1cb9c  |   1 +
 .../f4aaa2a22e1038e4abda4636592d330fc9fc693b  |   1 +
 .../f7cb64ffc60ab1f9e0aecbd9c560af1d743fe314  |   1 +
 .../f86f8b65ecd59bddb8df4850b538b863021ea14a  |   1 +
 .../f87f13e299cb66c824237b662a5623647d3af86e  |   1 +
 .../fa85f6319c6d39864527629c9b25c4b086f398b7  |   1 +
 .../fc7077d7ef5f47af404835e9ea6401f258b27f83  |   1 +
 105 files changed, 172 insertions(+)
 create mode 100644 crash_test.go
 create mode 100644 testdata/crashers/007424b0caabdaf653d7efeb3ce6c1c127f628c6
 create mode 100644 testdata/crashers/01d1844ec3cdec0e8d60d81fcded73f920270e9c
 create mode 100644 testdata/crashers/049b2af75fc4ee7160c7ea9bad41a5167b501d32
 create mode 100644 testdata/crashers/051d081de15ae4680b4156046787aae72ae0adcc
 create mode 100644 testdata/crashers/063fea9d12105a80ee56a482aac428543fcf8d49
 create mode 100644 testdata/crashers/080c57e02ab7e704e2a2e93aad7674a574dc9d69
 create mode 100644 testdata/crashers/0d45579ce9ef9c1ca6e945d3f21ad31097f0c3c0
 create mode 100644 testdata/crashers/0f7994b18fb75394c81005c925dd1ae153ad57ad
 create mode 100644 testdata/crashers/121a9af889bd4ca2266be5a4f680d3bead8d02d6
 create mode 100644 testdata/crashers/19eb9972c2a406f15bbae850ac33b42ebd88f7a7
 create mode 100644 testdata/crashers/1a3492dbf0b80d08f12ce49c620239e48b74c08c
 create mode 100644 testdata/crashers/1ae8bba51072f9ff2bdf587596cfb0edf8a5cd12
 create mode 100644 testdata/crashers/1b274070ce90f8ccdf0fc33a4afd4e1455766f8b
 create mode 100644 testdata/crashers/1d49f1635e901393bf65a263810508bea7ec9d51
 create mode 100644 testdata/crashers/1e2c5c5ac7754f3e3fd858ce644b6621da2f4d03
 create mode 100644 testdata/crashers/236cfc19fdc31facdfe306e479a52bb3c08cb540
 create mode 100644 testdata/crashers/2478b7ed4fe72f5030a22146ecf365adba0dc780
 create mode 100644 testdata/crashers/24b5d7868ba6df6da0e26365e10fc15bcf72cca6
 create mode 100644 testdata/crashers/255b827f8c0a593c5ee7610cdbd31c656f166a37
 create mode 100644 testdata/crashers/2a8cbfc34aa4aefa008e9e18276e32fa5e8f56d8
 create mode 100644 testdata/crashers/2ba0c664eff181eeb2b101f60c5ca66397f4c386
 create mode 100644 testdata/crashers/2c34cfd27e783430e24c2af05361af3540b4d6ad
 create mode 100644 testdata/crashers/2c4dd5af849b5cda2b7769dc52706e5fa746de73
 create mode 100644 testdata/crashers/2cdb9f5adf53f1054ce8e6ceba007396ce6b734b
 create mode 100644 testdata/crashers/30140397fe38ee61f01eff44b5cfa48285e47889
 create mode 100644 testdata/crashers/321500ed9a1796dca3d559d8f129ed31a8790035
 create mode 100644 testdata/crashers/3219e4d65ac8671a452900514bc3c7aea2e71be3
 create mode 100644 testdata/crashers/36a5cc93968072de9d120643033589df4f316997
 create mode 100644 testdata/crashers/3abe9a29f2b95f34da65d88b969e58f4b46b6309
 create mode 100644 testdata/crashers/3e5a9e8b50fcdcbe08f8138de6b95b5cd5b69bf2
 create mode 100644 testdata/crashers/3f0062c38d031b015f1a8bb82bd370b65d5ca35a
 create mode 100644 testdata/crashers/4670a8e0d21a624c0d42fd6dc76ef408d2b4e195
 create mode 100644 testdata/crashers/47393c214b8f5a3d3c098e3985d24bd1e8d82a85
 create mode 100644 testdata/crashers/48947b6f943721ce84ef81e887a16bde2759f7ab
 create mode 100644 testdata/crashers/49989f6a8875777519c822a92c821cbb95bfc360
 create mode 100644 testdata/crashers/4aaffe149efbd0ab6f122a4dc6e9e9aa0a602799
 create mode 100644 testdata/crashers/4b65bf83d9b292f65bb5d1b056d68a4811732ef3
 create mode 100644 testdata/crashers/4c156cb396c967d81bf3615cbd5ba74221a9c622
 create mode 100644 testdata/crashers/4fb8cfeaaac80a1c829b22a43089ef470bcfe5b8
 create mode 100644 testdata/crashers/502804b3665c5eb935d6f66e7677f75242f516bb
 create mode 100644 testdata/crashers/56ff31c3b76d37929e45071a36ca5aa0bc386e09
 create mode 100644 testdata/crashers/5bc56c0f00870625b5016a8d242ebe5c2a58802b
 create mode 100644 testdata/crashers/5e8c489081abe671d760e1840b526f43bc7e6aa3
 create mode 100644 testdata/crashers/5ec02b6349403b523d33576c7e2de27fb345edf0
 create mode 100644 testdata/crashers/6351ed5a9ac9cbb709ad15b4193edb52b8d37e84
 create mode 100644 testdata/crashers/673480b070ea0508c3510627c81a4b519fb7d2f5
 create mode 100644 testdata/crashers/683f06bff1a62b73193352f06a7194f0bf60ffb8
 create mode 100644 testdata/crashers/68a5e75e9b42928454b320fe8f64ea107e61f60f
 create mode 100644 testdata/crashers/68be1e92e40e77926e1d9a5c2d800da023f6a4e9
 create mode 100644 testdata/crashers/6b7395dabfc4d5a76e276f222c64c4bf7771ffb7
 create mode 100644 testdata/crashers/707235f5352edef615d64d00d83fcf92c9dffa57
 create mode 100644 testdata/crashers/71819c849b41ee2f4a5b08321b9fc8bf21326ddf
 create mode 100644 testdata/crashers/730377e1be92f426661e434d4f1cf20a10e16991
 create mode 100644 testdata/crashers/73728d128f628772a64990a72340d9fd7987e29b
 create mode 100644 testdata/crashers/73cc8fe38acd489c2b1fed0a66222aac4e04cc98
 create mode 100644 testdata/crashers/74fe2a4034b08b5ecb014b2596e7f21ab55ea729
 create mode 100644 testdata/crashers/79aed363731b28a60abf16190df3d60fd1d88e54
 create mode 100644 testdata/crashers/7a1d04a0253fbb956c8119c40dc917cb460dabb0
 create mode 100644 testdata/crashers/7a96d469f87b8c0fa00a944669469db9c8246714
 create mode 100644 testdata/crashers/7b21df3bb234142e7b2dfc81f84eb621f9c7a617
 create mode 100644 testdata/crashers/7cd196c0e83037dd1c7aa060e3919f530d5eaa13
 create mode 100644 testdata/crashers/8611c05469f8e623e1e035e578d1d50ff2a54e11
 create mode 100644 testdata/crashers/861648845b817281bffa42d8ca1c46443cef5cd8
 create mode 100644 testdata/crashers/86f9eb6ebcae33f4d3663f90adf430f6d7b5e57c
 create mode 100644 testdata/crashers/8a90278d26f66fd78e4e38da237c201707bf7ab3
 create mode 100644 testdata/crashers/8de4d4284d8227a753986639b1d6e698bc683d8a
 create mode 100644 testdata/crashers/8e4cb24fea75d067b0d9a5598fdeb66490777000
 create mode 100644 testdata/crashers/900843bfb3730b31165e6d480bb212854380de72
 create mode 100644 testdata/crashers/964ac50bf26ecb3d0253e5e288484776bbf0abdf
 create mode 100644 testdata/crashers/98d2aa10f9c5e6d9b1a6fb3dcc6583aa5631882a
 create mode 100644 testdata/crashers/9ae8dabd9621f44592757414f83d26df04e55bca
 create mode 100644 testdata/crashers/9b982d96821f364683a7a9cc2495cccc7d5bb705
 create mode 100644 testdata/crashers/9ded617601151e2a3dde370fe42f206f6dd38f42
 create mode 100644 testdata/crashers/9e2487eee9a3b9f415c36aed893ed2da3d3bace6
 create mode 100644 testdata/crashers/9f733d3115030339e63922d6e35920f9dba1207e
 create mode 100644 testdata/crashers/a0bb3eef10ad343fdf00adc2c7a2fab0e4dd679f
 create mode 100644 testdata/crashers/a611449daf97af318de6495f22c907ecb1f83076
 create mode 100644 testdata/crashers/a8c1d81ff50e57abc043f8bbcc87ce0e123285a7
 create mode 100644 testdata/crashers/aa1a1bd5b7953186af6c9f2e8f757247fdffa9ce
 create mode 100644 testdata/crashers/b7471e724dfba20b71265eb8f8315ff5add6ccad
 create mode 100644 testdata/crashers/b9df95e660f5bc5d66f2ad7c49339cb3d62d2a99
 create mode 100644 testdata/crashers/bc22b685617fec260cb94cb1ab9822e393924a35
 create mode 100644 testdata/crashers/c1a1ed4a1a749c9e38da920c66a4c425e169566b
 create mode 100644 testdata/crashers/c41c1a47577c69284cae60d785ddb240dc3739db
 create mode 100644 testdata/crashers/c4ee5a4632d4f9a51ba57a70cfa2cae832460857
 create mode 100644 testdata/crashers/c9388db618e924f41e419ccddc068b443657ffa4
 create mode 100644 testdata/crashers/ce7c29332788aa93186591aceaad307ffbdf9735
 create mode 100644 testdata/crashers/da39a3ee5e6b4b0d3255bfef95601890afd80709
 create mode 100644 testdata/crashers/df0c1e8999119939ea4f07c2daeb57b868bb0719
 create mode 100644 testdata/crashers/e2d6b6d4d9b8346067d2252bfbcefff99a24ed21
 create mode 100644 testdata/crashers/e62ebb1ab82b8cf630f2b393d89c367dd0b25924
 create mode 100644 testdata/crashers/e906f0d49a1b91f0b93d64c36bf5a764924ce45f
 create mode 100644 testdata/crashers/ead2a4908cb1750ae6f619656ebf74b153edab25
 create mode 100644 testdata/crashers/eae5f62c3fc844275194f17d530d26ceafcf941b
 create mode 100644 testdata/crashers/eb9a0e5a353364b221b1e1e3115d34d7948e9ae9
 create mode 100644 testdata/crashers/edb2dfda8124a5c5935dd1d449f493e868d9f9c0
 create mode 100644 testdata/crashers/f023f3307ef4fe6b9d8ea2c0ea4fb3bc954f2888
 create mode 100644 testdata/crashers/f1ec5f959e75412b01270a861f1f1ecdfda1cb9c
 create mode 100644 testdata/crashers/f4aaa2a22e1038e4abda4636592d330fc9fc693b
 create mode 100644 testdata/crashers/f7cb64ffc60ab1f9e0aecbd9c560af1d743fe314
 create mode 100644 testdata/crashers/f86f8b65ecd59bddb8df4850b538b863021ea14a
 create mode 100644 testdata/crashers/f87f13e299cb66c824237b662a5623647d3af86e
 create mode 100644 testdata/crashers/fa85f6319c6d39864527629c9b25c4b086f398b7
 create mode 100644 testdata/crashers/fc7077d7ef5f47af404835e9ea6401f258b27f83

diff --git a/crash_test.go b/crash_test.go
new file mode 100644
index 0000000..f5ab514
--- /dev/null
+++ b/crash_test.go
@@ -0,0 +1,72 @@
+package msgpack_test
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"testing"
+
+	"github.com/shamaton/msgpack/v2"
+)
+
+var crashDir = filepath.Join("testdata", "crashers")
+
+func TestCrashBinary(t *testing.T) {
+	entries, err := os.ReadDir(crashDir)
+	if err != nil {
+		t.Fatalf("os.ReadDir error. err: %+v", err)
+	}
+
+	ch := make(chan string, len(entries))
+
+	// worker
+	wg := sync.WaitGroup{}
+	for i := 0; i < runtime.NumCPU(); i++ {
+		wg.Add(1)
+		go check(t, &wg, ch)
+	}
+
+	for _, entry := range entries {
+		ch <- filepath.Join(crashDir, entry.Name())
+	}
+	close(ch)
+	wg.Wait()
+}
+
+func check(t *testing.T, wg *sync.WaitGroup, ch <-chan string) {
+	t.Helper()
+	defer wg.Done()
+
+	for {
+		path, ok := <-ch // closeされると ok が false になる
+		if !ok {
+			return
+		}
+
+		file, err := os.Open(path)
+		if err != nil {
+			t.Logf("%s file open error. err: %+v", path, err)
+			t.Fail()
+			return
+		}
+
+		data, err := io.ReadAll(file)
+		if err != nil {
+			t.Logf("%s io.ReadAll error. err: %+v", path, err)
+			t.Fail()
+			return
+		}
+
+		var r interface{}
+		err = msgpack.Unmarshal(data, &r)
+		if err == nil {
+			t.Logf("err should be occurred.\nname: %s\nlen: %d\nbin: % x",
+				file.Name(), len(data), data,
+			)
+			t.Fail()
+			return
+		}
+	}
+}
diff --git a/testdata/crashers/007424b0caabdaf653d7efeb3ce6c1c127f628c6 b/testdata/crashers/007424b0caabdaf653d7efeb3ce6c1c127f628c6
new file mode 100644
index 0000000..1fe24ec
--- /dev/null
+++ b/testdata/crashers/007424b0caabdaf653d7efeb3ce6c1c127f628c6
@@ -0,0 +1 @@
+�000000�0
\ No newline at end of file
diff --git a/testdata/crashers/01d1844ec3cdec0e8d60d81fcded73f920270e9c b/testdata/crashers/01d1844ec3cdec0e8d60d81fcded73f920270e9c
new file mode 100644
index 0000000..7af9ef0
--- /dev/null
+++ b/testdata/crashers/01d1844ec3cdec0e8d60d81fcded73f920270e9c
@@ -0,0 +1 @@
+�000000
\ No newline at end of file
diff --git a/testdata/crashers/049b2af75fc4ee7160c7ea9bad41a5167b501d32 b/testdata/crashers/049b2af75fc4ee7160c7ea9bad41a5167b501d32
new file mode 100644
index 0000000..2927584
--- /dev/null
+++ b/testdata/crashers/049b2af75fc4ee7160c7ea9bad41a5167b501d32
@@ -0,0 +1 @@
+�000
\ No newline at end of file
diff --git a/testdata/crashers/051d081de15ae4680b4156046787aae72ae0adcc b/testdata/crashers/051d081de15ae4680b4156046787aae72ae0adcc
new file mode 100644
index 0000000..63ec430
--- /dev/null
+++ b/testdata/crashers/051d081de15ae4680b4156046787aae72ae0adcc
@@ -0,0 +1 @@
+��0
\ No newline at end of file
diff --git a/testdata/crashers/063fea9d12105a80ee56a482aac428543fcf8d49 b/testdata/crashers/063fea9d12105a80ee56a482aac428543fcf8d49
new file mode 100644
index 0000000..97955d1
--- /dev/null
+++ b/testdata/crashers/063fea9d12105a80ee56a482aac428543fcf8d49
@@ -0,0 +1 @@
+��0000000000000
\ No newline at end of file
diff --git a/testdata/crashers/080c57e02ab7e704e2a2e93aad7674a574dc9d69 b/testdata/crashers/080c57e02ab7e704e2a2e93aad7674a574dc9d69
new file mode 100644
index 0000000..32004d5
--- /dev/null
+++ b/testdata/crashers/080c57e02ab7e704e2a2e93aad7674a574dc9d69
@@ -0,0 +1 @@
+��000000000
\ No newline at end of file
diff --git a/testdata/crashers/0d45579ce9ef9c1ca6e945d3f21ad31097f0c3c0 b/testdata/crashers/0d45579ce9ef9c1ca6e945d3f21ad31097f0c3c0
new file mode 100644
index 0000000..9a37782
--- /dev/null
+++ b/testdata/crashers/0d45579ce9ef9c1ca6e945d3f21ad31097f0c3c0
@@ -0,0 +1 @@
+��000000�0000�000000��0000�00000
\ No newline at end of file
diff --git a/testdata/crashers/0f7994b18fb75394c81005c925dd1ae153ad57ad b/testdata/crashers/0f7994b18fb75394c81005c925dd1ae153ad57ad
new file mode 100644
index 0000000..2c82c98
--- /dev/null
+++ b/testdata/crashers/0f7994b18fb75394c81005c925dd1ae153ad57ad
@@ -0,0 +1 @@
+��000
\ No newline at end of file
diff --git a/testdata/crashers/121a9af889bd4ca2266be5a4f680d3bead8d02d6 b/testdata/crashers/121a9af889bd4ca2266be5a4f680d3bead8d02d6
new file mode 100644
index 0000000..c471733
--- /dev/null
+++ b/testdata/crashers/121a9af889bd4ca2266be5a4f680d3bead8d02d6
@@ -0,0 +1 @@
+�
\ No newline at end of file
diff --git a/testdata/crashers/19eb9972c2a406f15bbae850ac33b42ebd88f7a7 b/testdata/crashers/19eb9972c2a406f15bbae850ac33b42ebd88f7a7
new file mode 100644
index 0000000..cc50ba1
--- /dev/null
+++ b/testdata/crashers/19eb9972c2a406f15bbae850ac33b42ebd88f7a7
@@ -0,0 +1 @@
+��00000000000
\ No newline at end of file
diff --git a/testdata/crashers/1a3492dbf0b80d08f12ce49c620239e48b74c08c b/testdata/crashers/1a3492dbf0b80d08f12ce49c620239e48b74c08c
new file mode 100644
index 0000000..6303a4d
--- /dev/null
+++ b/testdata/crashers/1a3492dbf0b80d08f12ce49c620239e48b74c08c
@@ -0,0 +1 @@
+��000000�0000�
\ No newline at end of file
diff --git a/testdata/crashers/1ae8bba51072f9ff2bdf587596cfb0edf8a5cd12 b/testdata/crashers/1ae8bba51072f9ff2bdf587596cfb0edf8a5cd12
new file mode 100644
index 0000000..8d5b991
--- /dev/null
+++ b/testdata/crashers/1ae8bba51072f9ff2bdf587596cfb0edf8a5cd12
@@ -0,0 +1 @@
+��00000�0000000000000�00000000��0000�0000000
\ No newline at end of file
diff --git a/testdata/crashers/1b274070ce90f8ccdf0fc33a4afd4e1455766f8b b/testdata/crashers/1b274070ce90f8ccdf0fc33a4afd4e1455766f8b
new file mode 100644
index 0000000..d812cf1
--- /dev/null
+++ b/testdata/crashers/1b274070ce90f8ccdf0fc33a4afd4e1455766f8b
@@ -0,0 +1 @@
+��
\ No newline at end of file
diff --git a/testdata/crashers/1d49f1635e901393bf65a263810508bea7ec9d51 b/testdata/crashers/1d49f1635e901393bf65a263810508bea7ec9d51
new file mode 100644
index 0000000..f77dfd6
--- /dev/null
+++ b/testdata/crashers/1d49f1635e901393bf65a263810508bea7ec9d51
@@ -0,0 +1 @@
+�0�0
\ No newline at end of file
diff --git a/testdata/crashers/1e2c5c5ac7754f3e3fd858ce644b6621da2f4d03 b/testdata/crashers/1e2c5c5ac7754f3e3fd858ce644b6621da2f4d03
new file mode 100644
index 0000000..27c3e65
--- /dev/null
+++ b/testdata/crashers/1e2c5c5ac7754f3e3fd858ce644b6621da2f4d03
@@ -0,0 +1 @@
+�0000000000
\ No newline at end of file
diff --git a/testdata/crashers/236cfc19fdc31facdfe306e479a52bb3c08cb540 b/testdata/crashers/236cfc19fdc31facdfe306e479a52bb3c08cb540
new file mode 100644
index 0000000..d10871d
--- /dev/null
+++ b/testdata/crashers/236cfc19fdc31facdfe306e479a52bb3c08cb540
@@ -0,0 +1 @@
+���00000
\ No newline at end of file
diff --git a/testdata/crashers/2478b7ed4fe72f5030a22146ecf365adba0dc780 b/testdata/crashers/2478b7ed4fe72f5030a22146ecf365adba0dc780
new file mode 100644
index 0000000..e4b32ae
--- /dev/null
+++ b/testdata/crashers/2478b7ed4fe72f5030a22146ecf365adba0dc780
@@ -0,0 +1 @@
+�000�0
\ No newline at end of file
diff --git a/testdata/crashers/24b5d7868ba6df6da0e26365e10fc15bcf72cca6 b/testdata/crashers/24b5d7868ba6df6da0e26365e10fc15bcf72cca6
new file mode 100644
index 0000000..772e835
--- /dev/null
+++ b/testdata/crashers/24b5d7868ba6df6da0e26365e10fc15bcf72cca6
@@ -0,0 +1 @@
+�00�
\ No newline at end of file
diff --git a/testdata/crashers/255b827f8c0a593c5ee7610cdbd31c656f166a37 b/testdata/crashers/255b827f8c0a593c5ee7610cdbd31c656f166a37
new file mode 100644
index 0000000..4a8a6b2
--- /dev/null
+++ b/testdata/crashers/255b827f8c0a593c5ee7610cdbd31c656f166a37
@@ -0,0 +1 @@
+�00
\ No newline at end of file
diff --git a/testdata/crashers/2a8cbfc34aa4aefa008e9e18276e32fa5e8f56d8 b/testdata/crashers/2a8cbfc34aa4aefa008e9e18276e32fa5e8f56d8
new file mode 100644
index 0000000..c14eb9a
--- /dev/null
+++ b/testdata/crashers/2a8cbfc34aa4aefa008e9e18276e32fa5e8f56d8
@@ -0,0 +1 @@
+��0000
\ No newline at end of file
diff --git a/testdata/crashers/2ba0c664eff181eeb2b101f60c5ca66397f4c386 b/testdata/crashers/2ba0c664eff181eeb2b101f60c5ca66397f4c386
new file mode 100644
index 0000000..06b17d1
--- /dev/null
+++ b/testdata/crashers/2ba0c664eff181eeb2b101f60c5ca66397f4c386
@@ -0,0 +1 @@
+�0000�0
\ No newline at end of file
diff --git a/testdata/crashers/2c34cfd27e783430e24c2af05361af3540b4d6ad b/testdata/crashers/2c34cfd27e783430e24c2af05361af3540b4d6ad
new file mode 100644
index 0000000..4f1e4f5
--- /dev/null
+++ b/testdata/crashers/2c34cfd27e783430e24c2af05361af3540b4d6ad
@@ -0,0 +1 @@
+�0
\ No newline at end of file
diff --git a/testdata/crashers/2c4dd5af849b5cda2b7769dc52706e5fa746de73 b/testdata/crashers/2c4dd5af849b5cda2b7769dc52706e5fa746de73
new file mode 100644
index 0000000..5fc16be
--- /dev/null
+++ b/testdata/crashers/2c4dd5af849b5cda2b7769dc52706e5fa746de73
@@ -0,0 +1 @@
+�0�0
\ No newline at end of file
diff --git a/testdata/crashers/2cdb9f5adf53f1054ce8e6ceba007396ce6b734b b/testdata/crashers/2cdb9f5adf53f1054ce8e6ceba007396ce6b734b
new file mode 100644
index 0000000..bbc0271
--- /dev/null
+++ b/testdata/crashers/2cdb9f5adf53f1054ce8e6ceba007396ce6b734b
@@ -0,0 +1 @@
+�00000000
\ No newline at end of file
diff --git a/testdata/crashers/30140397fe38ee61f01eff44b5cfa48285e47889 b/testdata/crashers/30140397fe38ee61f01eff44b5cfa48285e47889
new file mode 100644
index 0000000..f327b9a
--- /dev/null
+++ b/testdata/crashers/30140397fe38ee61f01eff44b5cfa48285e47889
@@ -0,0 +1 @@
+�
\ No newline at end of file
diff --git a/testdata/crashers/321500ed9a1796dca3d559d8f129ed31a8790035 b/testdata/crashers/321500ed9a1796dca3d559d8f129ed31a8790035
new file mode 100644
index 0000000..0ce6c56
--- /dev/null
+++ b/testdata/crashers/321500ed9a1796dca3d559d8f129ed31a8790035
@@ -0,0 +1 @@
+��000000�0000�000000��0000�0
\ No newline at end of file
diff --git a/testdata/crashers/3219e4d65ac8671a452900514bc3c7aea2e71be3 b/testdata/crashers/3219e4d65ac8671a452900514bc3c7aea2e71be3
new file mode 100644
index 0000000..3b0df7a
--- /dev/null
+++ b/testdata/crashers/3219e4d65ac8671a452900514bc3c7aea2e71be3
@@ -0,0 +1 @@
+�0000�00000�0000�0000000�0000�00000
\ No newline at end of file
diff --git a/testdata/crashers/36a5cc93968072de9d120643033589df4f316997 b/testdata/crashers/36a5cc93968072de9d120643033589df4f316997
new file mode 100644
index 0000000..45f9604
--- /dev/null
+++ b/testdata/crashers/36a5cc93968072de9d120643033589df4f316997
@@ -0,0 +1 @@
+�0�000000�0000000�00
\ No newline at end of file
diff --git a/testdata/crashers/3abe9a29f2b95f34da65d88b969e58f4b46b6309 b/testdata/crashers/3abe9a29f2b95f34da65d88b969e58f4b46b6309
new file mode 100644
index 0000000..d4b9014
--- /dev/null
+++ b/testdata/crashers/3abe9a29f2b95f34da65d88b969e58f4b46b6309
@@ -0,0 +1 @@
+��000000�0000�000000��000
\ No newline at end of file
diff --git a/testdata/crashers/3e5a9e8b50fcdcbe08f8138de6b95b5cd5b69bf2 b/testdata/crashers/3e5a9e8b50fcdcbe08f8138de6b95b5cd5b69bf2
new file mode 100644
index 0000000..01468bc
--- /dev/null
+++ b/testdata/crashers/3e5a9e8b50fcdcbe08f8138de6b95b5cd5b69bf2
@@ -0,0 +1 @@
+��000000�0000�000000�0
\ No newline at end of file
diff --git a/testdata/crashers/3f0062c38d031b015f1a8bb82bd370b65d5ca35a b/testdata/crashers/3f0062c38d031b015f1a8bb82bd370b65d5ca35a
new file mode 100644
index 0000000..637e8a0
--- /dev/null
+++ b/testdata/crashers/3f0062c38d031b015f1a8bb82bd370b65d5ca35a
@@ -0,0 +1 @@
+��000000�0000�000000
\ No newline at end of file
diff --git a/testdata/crashers/4670a8e0d21a624c0d42fd6dc76ef408d2b4e195 b/testdata/crashers/4670a8e0d21a624c0d42fd6dc76ef408d2b4e195
new file mode 100644
index 0000000..a45d4f2
--- /dev/null
+++ b/testdata/crashers/4670a8e0d21a624c0d42fd6dc76ef408d2b4e195
@@ -0,0 +1 @@
+�0
\ No newline at end of file
diff --git a/testdata/crashers/47393c214b8f5a3d3c098e3985d24bd1e8d82a85 b/testdata/crashers/47393c214b8f5a3d3c098e3985d24bd1e8d82a85
new file mode 100644
index 0000000..81592f7
--- /dev/null
+++ b/testdata/crashers/47393c214b8f5a3d3c098e3985d24bd1e8d82a85
@@ -0,0 +1 @@
+��000000
\ No newline at end of file
diff --git a/testdata/crashers/48947b6f943721ce84ef81e887a16bde2759f7ab b/testdata/crashers/48947b6f943721ce84ef81e887a16bde2759f7ab
new file mode 100644
index 0000000..3f70eb9
--- /dev/null
+++ b/testdata/crashers/48947b6f943721ce84ef81e887a16bde2759f7ab
@@ -0,0 +1 @@
+��00000�00000�000��00�00�00�000000��0000�000000�0
\ No newline at end of file
diff --git a/testdata/crashers/49989f6a8875777519c822a92c821cbb95bfc360 b/testdata/crashers/49989f6a8875777519c822a92c821cbb95bfc360
new file mode 100644
index 0000000..dcd1a39
--- /dev/null
+++ b/testdata/crashers/49989f6a8875777519c822a92c821cbb95bfc360
@@ -0,0 +1 @@
+��000000�000
\ No newline at end of file
diff --git a/testdata/crashers/4aaffe149efbd0ab6f122a4dc6e9e9aa0a602799 b/testdata/crashers/4aaffe149efbd0ab6f122a4dc6e9e9aa0a602799
new file mode 100644
index 0000000..0a65cb8
--- /dev/null
+++ b/testdata/crashers/4aaffe149efbd0ab6f122a4dc6e9e9aa0a602799
@@ -0,0 +1 @@
+��000000�0000�0000
\ No newline at end of file
diff --git a/testdata/crashers/4b65bf83d9b292f65bb5d1b056d68a4811732ef3 b/testdata/crashers/4b65bf83d9b292f65bb5d1b056d68a4811732ef3
new file mode 100644
index 0000000..2b104ea
--- /dev/null
+++ b/testdata/crashers/4b65bf83d9b292f65bb5d1b056d68a4811732ef3
@@ -0,0 +1 @@
+��0
\ No newline at end of file
diff --git a/testdata/crashers/4c156cb396c967d81bf3615cbd5ba74221a9c622 b/testdata/crashers/4c156cb396c967d81bf3615cbd5ba74221a9c622
new file mode 100644
index 0000000..6ab04e2
--- /dev/null
+++ b/testdata/crashers/4c156cb396c967d81bf3615cbd5ba74221a9c622
@@ -0,0 +1 @@
+��Nil��BoolãIntМ�Float32�@IV�Float64��	!���o�String�f
\ No newline at end of file
diff --git a/testdata/crashers/4fb8cfeaaac80a1c829b22a43089ef470bcfe5b8 b/testdata/crashers/4fb8cfeaaac80a1c829b22a43089ef470bcfe5b8
new file mode 100644
index 0000000..dd67376
--- /dev/null
+++ b/testdata/crashers/4fb8cfeaaac80a1c829b22a43089ef470bcfe5b8
@@ -0,0 +1 @@
+�
\ No newline at end of file
diff --git a/testdata/crashers/502804b3665c5eb935d6f66e7677f75242f516bb b/testdata/crashers/502804b3665c5eb935d6f66e7677f75242f516bb
new file mode 100644
index 0000000..5773bab
--- /dev/null
+++ b/testdata/crashers/502804b3665c5eb935d6f66e7677f75242f516bb
@@ -0,0 +1 @@
+��000000�0000�000000��0
\ No newline at end of file
diff --git a/testdata/crashers/56ff31c3b76d37929e45071a36ca5aa0bc386e09 b/testdata/crashers/56ff31c3b76d37929e45071a36ca5aa0bc386e09
new file mode 100644
index 0000000..a130ad4
--- /dev/null
+++ b/testdata/crashers/56ff31c3b76d37929e45071a36ca5aa0bc386e09
@@ -0,0 +1 @@
+�0000�00000�0000�0000000�0000�0000000
\ No newline at end of file
diff --git a/testdata/crashers/5bc56c0f00870625b5016a8d242ebe5c2a58802b b/testdata/crashers/5bc56c0f00870625b5016a8d242ebe5c2a58802b
new file mode 100644
index 0000000..bdb4091
--- /dev/null
+++ b/testdata/crashers/5bc56c0f00870625b5016a8d242ebe5c2a58802b
@@ -0,0 +1 @@
+��000000�00000000000��0000�00000
\ No newline at end of file
diff --git a/testdata/crashers/5e8c489081abe671d760e1840b526f43bc7e6aa3 b/testdata/crashers/5e8c489081abe671d760e1840b526f43bc7e6aa3
new file mode 100644
index 0000000..9ccde19
--- /dev/null
+++ b/testdata/crashers/5e8c489081abe671d760e1840b526f43bc7e6aa3
@@ -0,0 +1 @@
+��0000�00000�000�00�0000000�@IV�Float64��	!���o�String
\ No newline at end of file
diff --git a/testdata/crashers/5ec02b6349403b523d33576c7e2de27fb345edf0 b/testdata/crashers/5ec02b6349403b523d33576c7e2de27fb345edf0
new file mode 100644
index 0000000..c4cb673
--- /dev/null
+++ b/testdata/crashers/5ec02b6349403b523d33576c7e2de27fb345edf0
@@ -0,0 +1 @@
+�0000
\ No newline at end of file
diff --git a/testdata/crashers/6351ed5a9ac9cbb709ad15b4193edb52b8d37e84 b/testdata/crashers/6351ed5a9ac9cbb709ad15b4193edb52b8d37e84
new file mode 100644
index 0000000..de9f366
--- /dev/null
+++ b/testdata/crashers/6351ed5a9ac9cbb709ad15b4193edb52b8d37e84
@@ -0,0 +1 @@
+�0�
\ No newline at end of file
diff --git a/testdata/crashers/673480b070ea0508c3510627c81a4b519fb7d2f5 b/testdata/crashers/673480b070ea0508c3510627c81a4b519fb7d2f5
new file mode 100644
index 0000000..6a14659
--- /dev/null
+++ b/testdata/crashers/673480b070ea0508c3510627c81a4b519fb7d2f5
@@ -0,0 +1 @@
+�0�
\ No newline at end of file
diff --git a/testdata/crashers/683f06bff1a62b73193352f06a7194f0bf60ffb8 b/testdata/crashers/683f06bff1a62b73193352f06a7194f0bf60ffb8
new file mode 100644
index 0000000..c557c20
--- /dev/null
+++ b/testdata/crashers/683f06bff1a62b73193352f06a7194f0bf60ffb8
@@ -0,0 +1 @@
+��000000�0000�000000��0000�0
\ No newline at end of file
diff --git a/testdata/crashers/68a5e75e9b42928454b320fe8f64ea107e61f60f b/testdata/crashers/68a5e75e9b42928454b320fe8f64ea107e61f60f
new file mode 100644
index 0000000..23b99bc
--- /dev/null
+++ b/testdata/crashers/68a5e75e9b42928454b320fe8f64ea107e61f60f
@@ -0,0 +1 @@
+��000000
\ No newline at end of file
diff --git a/testdata/crashers/68be1e92e40e77926e1d9a5c2d800da023f6a4e9 b/testdata/crashers/68be1e92e40e77926e1d9a5c2d800da023f6a4e9
new file mode 100644
index 0000000..aaea3d2
--- /dev/null
+++ b/testdata/crashers/68be1e92e40e77926e1d9a5c2d800da023f6a4e9
@@ -0,0 +1 @@
+�0000�00000�0000�0000000�0000�0
\ No newline at end of file
diff --git a/testdata/crashers/6b7395dabfc4d5a76e276f222c64c4bf7771ffb7 b/testdata/crashers/6b7395dabfc4d5a76e276f222c64c4bf7771ffb7
new file mode 100644
index 0000000..53d5594
--- /dev/null
+++ b/testdata/crashers/6b7395dabfc4d5a76e276f222c64c4bf7771ffb7
@@ -0,0 +1 @@
+��000000�00000
\ No newline at end of file
diff --git a/testdata/crashers/707235f5352edef615d64d00d83fcf92c9dffa57 b/testdata/crashers/707235f5352edef615d64d00d83fcf92c9dffa57
new file mode 100644
index 0000000..32231ed
--- /dev/null
+++ b/testdata/crashers/707235f5352edef615d64d00d83fcf92c9dffa57
@@ -0,0 +1 @@
+��0000�00000�0000�0000000�0000�0000000�00000000�00000
\ No newline at end of file
diff --git a/testdata/crashers/71819c849b41ee2f4a5b08321b9fc8bf21326ddf b/testdata/crashers/71819c849b41ee2f4a5b08321b9fc8bf21326ddf
new file mode 100644
index 0000000..1ae1dd4
--- /dev/null
+++ b/testdata/crashers/71819c849b41ee2f4a5b08321b9fc8bf21326ddf
@@ -0,0 +1 @@
+��0
\ No newline at end of file
diff --git a/testdata/crashers/730377e1be92f426661e434d4f1cf20a10e16991 b/testdata/crashers/730377e1be92f426661e434d4f1cf20a10e16991
new file mode 100644
index 0000000..1fe5920
--- /dev/null
+++ b/testdata/crashers/730377e1be92f426661e434d4f1cf20a10e16991
@@ -0,0 +1 @@
+�0�0
\ No newline at end of file
diff --git a/testdata/crashers/73728d128f628772a64990a72340d9fd7987e29b b/testdata/crashers/73728d128f628772a64990a72340d9fd7987e29b
new file mode 100644
index 0000000..7040be7
--- /dev/null
+++ b/testdata/crashers/73728d128f628772a64990a72340d9fd7987e29b
@@ -0,0 +1 @@
+�0�
\ No newline at end of file
diff --git a/testdata/crashers/73cc8fe38acd489c2b1fed0a66222aac4e04cc98 b/testdata/crashers/73cc8fe38acd489c2b1fed0a66222aac4e04cc98
new file mode 100644
index 0000000..d3d0ab9
--- /dev/null
+++ b/testdata/crashers/73cc8fe38acd489c2b1fed0a66222aac4e04cc98
@@ -0,0 +1 @@
+��000000�0000�000000��0000
\ No newline at end of file
diff --git a/testdata/crashers/74fe2a4034b08b5ecb014b2596e7f21ab55ea729 b/testdata/crashers/74fe2a4034b08b5ecb014b2596e7f21ab55ea729
new file mode 100644
index 0000000..358bad5
--- /dev/null
+++ b/testdata/crashers/74fe2a4034b08b5ecb014b2596e7f21ab55ea729
@@ -0,0 +1 @@
+��
\ No newline at end of file
diff --git a/testdata/crashers/79aed363731b28a60abf16190df3d60fd1d88e54 b/testdata/crashers/79aed363731b28a60abf16190df3d60fd1d88e54
new file mode 100644
index 0000000..62f9e6b
--- /dev/null
+++ b/testdata/crashers/79aed363731b28a60abf16190df3d60fd1d88e54
@@ -0,0 +1 @@
+�00000
\ No newline at end of file
diff --git a/testdata/crashers/7a1d04a0253fbb956c8119c40dc917cb460dabb0 b/testdata/crashers/7a1d04a0253fbb956c8119c40dc917cb460dabb0
new file mode 100644
index 0000000..ba3cc56
--- /dev/null
+++ b/testdata/crashers/7a1d04a0253fbb956c8119c40dc917cb460dabb0
@@ -0,0 +1 @@
+��Nil��Bool£Int��Float32�@IV�Float64��	!���o�Stri
\ No newline at end of file
diff --git a/testdata/crashers/7a96d469f87b8c0fa00a944669469db9c8246714 b/testdata/crashers/7a96d469f87b8c0fa00a944669469db9c8246714
new file mode 100644
index 0000000..ce6c200
--- /dev/null
+++ b/testdata/crashers/7a96d469f87b8c0fa00a944669469db9c8246714
@@ -0,0 +1 @@
+�000�
\ No newline at end of file
diff --git a/testdata/crashers/7b21df3bb234142e7b2dfc81f84eb621f9c7a617 b/testdata/crashers/7b21df3bb234142e7b2dfc81f84eb621f9c7a617
new file mode 100644
index 0000000..d293d34
--- /dev/null
+++ b/testdata/crashers/7b21df3bb234142e7b2dfc81f84eb621f9c7a617
@@ -0,0 +1 @@
+��000000�0000�00
\ No newline at end of file
diff --git a/testdata/crashers/7cd196c0e83037dd1c7aa060e3919f530d5eaa13 b/testdata/crashers/7cd196c0e83037dd1c7aa060e3919f530d5eaa13
new file mode 100644
index 0000000000000000000000000000000000000000..1e1ee20fb38913ca181377e5954db8dbaebd7d0f
GIT binary patch
literal 63
zcmZo$?3bByV2M+He$JuAo_X)47zI@&?Eh23u-q*tKe5Ev=#+yeUl@dAW^(!fr{bvt
Q%|iLhf=h}r^U@ap0HN9(C;$Ke

literal 0
HcmV?d00001

diff --git a/testdata/crashers/8611c05469f8e623e1e035e578d1d50ff2a54e11 b/testdata/crashers/8611c05469f8e623e1e035e578d1d50ff2a54e11
new file mode 100644
index 0000000..0fb5ff6
--- /dev/null
+++ b/testdata/crashers/8611c05469f8e623e1e035e578d1d50ff2a54e11
@@ -0,0 +1 @@
+��0000
\ No newline at end of file
diff --git a/testdata/crashers/861648845b817281bffa42d8ca1c46443cef5cd8 b/testdata/crashers/861648845b817281bffa42d8ca1c46443cef5cd8
new file mode 100644
index 0000000..a38df5b
--- /dev/null
+++ b/testdata/crashers/861648845b817281bffa42d8ca1c46443cef5cd8
@@ -0,0 +1 @@
+��00000�00000�000��00�00�00�000000��0000�0000
\ No newline at end of file
diff --git a/testdata/crashers/86f9eb6ebcae33f4d3663f90adf430f6d7b5e57c b/testdata/crashers/86f9eb6ebcae33f4d3663f90adf430f6d7b5e57c
new file mode 100644
index 0000000..4fe9e94
--- /dev/null
+++ b/testdata/crashers/86f9eb6ebcae33f4d3663f90adf430f6d7b5e57c
@@ -0,0 +1 @@
+��000000�00000000000000000000000
\ No newline at end of file
diff --git a/testdata/crashers/8a90278d26f66fd78e4e38da237c201707bf7ab3 b/testdata/crashers/8a90278d26f66fd78e4e38da237c201707bf7ab3
new file mode 100644
index 0000000..f0d5f50
--- /dev/null
+++ b/testdata/crashers/8a90278d26f66fd78e4e38da237c201707bf7ab3
@@ -0,0 +1 @@
+�0000
\ No newline at end of file
diff --git a/testdata/crashers/8de4d4284d8227a753986639b1d6e698bc683d8a b/testdata/crashers/8de4d4284d8227a753986639b1d6e698bc683d8a
new file mode 100644
index 0000000..a994237
--- /dev/null
+++ b/testdata/crashers/8de4d4284d8227a753986639b1d6e698bc683d8a
@@ -0,0 +1 @@
+�0000�00000�0000�0000000�0000�000
\ No newline at end of file
diff --git a/testdata/crashers/8e4cb24fea75d067b0d9a5598fdeb66490777000 b/testdata/crashers/8e4cb24fea75d067b0d9a5598fdeb66490777000
new file mode 100644
index 0000000..4f669ef
--- /dev/null
+++ b/testdata/crashers/8e4cb24fea75d067b0d9a5598fdeb66490777000
@@ -0,0 +1 @@
+��0000�00000�000�0�0000000�0000�00000000�0
\ No newline at end of file
diff --git a/testdata/crashers/900843bfb3730b31165e6d480bb212854380de72 b/testdata/crashers/900843bfb3730b31165e6d480bb212854380de72
new file mode 100644
index 0000000000000000000000000000000000000000..aed5ac9ae5ce707c220074385e49c10ba83cfcc5
GIT binary patch
literal 55
zcmV-70LcG_qfTjTz@$QNZ*0P&Np9|xGE#bAzx;Fnr$$K*R;Na6Z((#cG|RvVA<Dpm
N5^ttcbaH8KXQ0uR83_OY

literal 0
HcmV?d00001

diff --git a/testdata/crashers/964ac50bf26ecb3d0253e5e288484776bbf0abdf b/testdata/crashers/964ac50bf26ecb3d0253e5e288484776bbf0abdf
new file mode 100644
index 0000000..44b5e7c
--- /dev/null
+++ b/testdata/crashers/964ac50bf26ecb3d0253e5e288484776bbf0abdf
@@ -0,0 +1 @@
+�000000�000
\ No newline at end of file
diff --git a/testdata/crashers/98d2aa10f9c5e6d9b1a6fb3dcc6583aa5631882a b/testdata/crashers/98d2aa10f9c5e6d9b1a6fb3dcc6583aa5631882a
new file mode 100644
index 0000000..c85ea38
--- /dev/null
+++ b/testdata/crashers/98d2aa10f9c5e6d9b1a6fb3dcc6583aa5631882a
@@ -0,0 +1 @@
+��0000000
\ No newline at end of file
diff --git a/testdata/crashers/9ae8dabd9621f44592757414f83d26df04e55bca b/testdata/crashers/9ae8dabd9621f44592757414f83d26df04e55bca
new file mode 100644
index 0000000..185d763
--- /dev/null
+++ b/testdata/crashers/9ae8dabd9621f44592757414f83d26df04e55bca
@@ -0,0 +1 @@
+��000000�000000000000000000000
\ No newline at end of file
diff --git a/testdata/crashers/9b982d96821f364683a7a9cc2495cccc7d5bb705 b/testdata/crashers/9b982d96821f364683a7a9cc2495cccc7d5bb705
new file mode 100644
index 0000000..d096da8
--- /dev/null
+++ b/testdata/crashers/9b982d96821f364683a7a9cc2495cccc7d5bb705
@@ -0,0 +1 @@
+��000000�0000�000000��0000�00000
\ No newline at end of file
diff --git a/testdata/crashers/9ded617601151e2a3dde370fe42f206f6dd38f42 b/testdata/crashers/9ded617601151e2a3dde370fe42f206f6dd38f42
new file mode 100644
index 0000000..89f8ab1
--- /dev/null
+++ b/testdata/crashers/9ded617601151e2a3dde370fe42f206f6dd38f42
@@ -0,0 +1 @@
+�00
\ No newline at end of file
diff --git a/testdata/crashers/9e2487eee9a3b9f415c36aed893ed2da3d3bace6 b/testdata/crashers/9e2487eee9a3b9f415c36aed893ed2da3d3bace6
new file mode 100644
index 0000000..db24b5b
--- /dev/null
+++ b/testdata/crashers/9e2487eee9a3b9f415c36aed893ed2da3d3bace6
@@ -0,0 +1 @@
+��
\ No newline at end of file
diff --git a/testdata/crashers/9f733d3115030339e63922d6e35920f9dba1207e b/testdata/crashers/9f733d3115030339e63922d6e35920f9dba1207e
new file mode 100644
index 0000000..0cd3065
--- /dev/null
+++ b/testdata/crashers/9f733d3115030339e63922d6e35920f9dba1207e
@@ -0,0 +1 @@
+��000000�0000�000000��0000�000
\ No newline at end of file
diff --git a/testdata/crashers/a0bb3eef10ad343fdf00adc2c7a2fab0e4dd679f b/testdata/crashers/a0bb3eef10ad343fdf00adc2c7a2fab0e4dd679f
new file mode 100644
index 0000000..d5eb900
--- /dev/null
+++ b/testdata/crashers/a0bb3eef10ad343fdf00adc2c7a2fab0e4dd679f
@@ -0,0 +1 @@
+��00000�00000�000��00�00�00�000000��0000�000000
\ No newline at end of file
diff --git a/testdata/crashers/a611449daf97af318de6495f22c907ecb1f83076 b/testdata/crashers/a611449daf97af318de6495f22c907ecb1f83076
new file mode 100644
index 0000000..b154d58
--- /dev/null
+++ b/testdata/crashers/a611449daf97af318de6495f22c907ecb1f83076
@@ -0,0 +1 @@
+�0�000000�
\ No newline at end of file
diff --git a/testdata/crashers/a8c1d81ff50e57abc043f8bbcc87ce0e123285a7 b/testdata/crashers/a8c1d81ff50e57abc043f8bbcc87ce0e123285a7
new file mode 100644
index 0000000..1121131
--- /dev/null
+++ b/testdata/crashers/a8c1d81ff50e57abc043f8bbcc87ce0e123285a7
@@ -0,0 +1 @@
+�0�000000�0000
\ No newline at end of file
diff --git a/testdata/crashers/aa1a1bd5b7953186af6c9f2e8f757247fdffa9ce b/testdata/crashers/aa1a1bd5b7953186af6c9f2e8f757247fdffa9ce
new file mode 100644
index 0000000..e09ce01
--- /dev/null
+++ b/testdata/crashers/aa1a1bd5b7953186af6c9f2e8f757247fdffa9ce
@@ -0,0 +1 @@
+��Nil��BoolãIntМ�Float32����@IV�Float64˪	!���o�String�foo
\ No newline at end of file
diff --git a/testdata/crashers/b7471e724dfba20b71265eb8f8315ff5add6ccad b/testdata/crashers/b7471e724dfba20b71265eb8f8315ff5add6ccad
new file mode 100644
index 0000000..eec1a42
--- /dev/null
+++ b/testdata/crashers/b7471e724dfba20b71265eb8f8315ff5add6ccad
@@ -0,0 +1 @@
+�
\ No newline at end of file
diff --git a/testdata/crashers/b9df95e660f5bc5d66f2ad7c49339cb3d62d2a99 b/testdata/crashers/b9df95e660f5bc5d66f2ad7c49339cb3d62d2a99
new file mode 100644
index 0000000..8014dbb
--- /dev/null
+++ b/testdata/crashers/b9df95e660f5bc5d66f2ad7c49339cb3d62d2a99
@@ -0,0 +1 @@
+�0�0000000
\ No newline at end of file
diff --git a/testdata/crashers/bc22b685617fec260cb94cb1ab9822e393924a35 b/testdata/crashers/bc22b685617fec260cb94cb1ab9822e393924a35
new file mode 100644
index 0000000..824d173
--- /dev/null
+++ b/testdata/crashers/bc22b685617fec260cb94cb1ab9822e393924a35
@@ -0,0 +1 @@
+��000000�0000�000000�000
\ No newline at end of file
diff --git a/testdata/crashers/c1a1ed4a1a749c9e38da920c66a4c425e169566b b/testdata/crashers/c1a1ed4a1a749c9e38da920c66a4c425e169566b
new file mode 100644
index 0000000..96ad07a
--- /dev/null
+++ b/testdata/crashers/c1a1ed4a1a749c9e38da920c66a4c425e169566b
@@ -0,0 +1 @@
+�0�000000�000000
\ No newline at end of file
diff --git a/testdata/crashers/c41c1a47577c69284cae60d785ddb240dc3739db b/testdata/crashers/c41c1a47577c69284cae60d785ddb240dc3739db
new file mode 100644
index 0000000..2c20c9b
--- /dev/null
+++ b/testdata/crashers/c41c1a47577c69284cae60d785ddb240dc3739db
@@ -0,0 +1 @@
+��000000�0000000000000000000
\ No newline at end of file
diff --git a/testdata/crashers/c4ee5a4632d4f9a51ba57a70cfa2cae832460857 b/testdata/crashers/c4ee5a4632d4f9a51ba57a70cfa2cae832460857
new file mode 100644
index 0000000..64b0ca3
--- /dev/null
+++ b/testdata/crashers/c4ee5a4632d4f9a51ba57a70cfa2cae832460857
@@ -0,0 +1 @@
+�0�00
\ No newline at end of file
diff --git a/testdata/crashers/c9388db618e924f41e419ccddc068b443657ffa4 b/testdata/crashers/c9388db618e924f41e419ccddc068b443657ffa4
new file mode 100644
index 0000000..3cf8cc3
--- /dev/null
+++ b/testdata/crashers/c9388db618e924f41e419ccddc068b443657ffa4
@@ -0,0 +1 @@
+��
\ No newline at end of file
diff --git a/testdata/crashers/ce7c29332788aa93186591aceaad307ffbdf9735 b/testdata/crashers/ce7c29332788aa93186591aceaad307ffbdf9735
new file mode 100644
index 0000000..cbdbefa
--- /dev/null
+++ b/testdata/crashers/ce7c29332788aa93186591aceaad307ffbdf9735
@@ -0,0 +1 @@
+��00
\ No newline at end of file
diff --git a/testdata/crashers/da39a3ee5e6b4b0d3255bfef95601890afd80709 b/testdata/crashers/da39a3ee5e6b4b0d3255bfef95601890afd80709
new file mode 100644
index 0000000..e69de29
diff --git a/testdata/crashers/df0c1e8999119939ea4f07c2daeb57b868bb0719 b/testdata/crashers/df0c1e8999119939ea4f07c2daeb57b868bb0719
new file mode 100644
index 0000000..7ef32e5
--- /dev/null
+++ b/testdata/crashers/df0c1e8999119939ea4f07c2daeb57b868bb0719
@@ -0,0 +1 @@
+�000
\ No newline at end of file
diff --git a/testdata/crashers/e2d6b6d4d9b8346067d2252bfbcefff99a24ed21 b/testdata/crashers/e2d6b6d4d9b8346067d2252bfbcefff99a24ed21
new file mode 100644
index 0000000..d9afaf1
--- /dev/null
+++ b/testdata/crashers/e2d6b6d4d9b8346067d2252bfbcefff99a24ed21
@@ -0,0 +1 @@
+��000000�0
\ No newline at end of file
diff --git a/testdata/crashers/e62ebb1ab82b8cf630f2b393d89c367dd0b25924 b/testdata/crashers/e62ebb1ab82b8cf630f2b393d89c367dd0b25924
new file mode 100644
index 0000000..4ca4d43
--- /dev/null
+++ b/testdata/crashers/e62ebb1ab82b8cf630f2b393d89c367dd0b25924
@@ -0,0 +1 @@
+�0�000000�00
\ No newline at end of file
diff --git a/testdata/crashers/e906f0d49a1b91f0b93d64c36bf5a764924ce45f b/testdata/crashers/e906f0d49a1b91f0b93d64c36bf5a764924ce45f
new file mode 100644
index 0000000..86f162e
--- /dev/null
+++ b/testdata/crashers/e906f0d49a1b91f0b93d64c36bf5a764924ce45f
@@ -0,0 +1 @@
+��000000000000000
\ No newline at end of file
diff --git a/testdata/crashers/ead2a4908cb1750ae6f619656ebf74b153edab25 b/testdata/crashers/ead2a4908cb1750ae6f619656ebf74b153edab25
new file mode 100644
index 0000000..658f8ca
--- /dev/null
+++ b/testdata/crashers/ead2a4908cb1750ae6f619656ebf74b153edab25
@@ -0,0 +1 @@
+��000000�0000�000000�00
\ No newline at end of file
diff --git a/testdata/crashers/eae5f62c3fc844275194f17d530d26ceafcf941b b/testdata/crashers/eae5f62c3fc844275194f17d530d26ceafcf941b
new file mode 100644
index 0000000..097b0c2
--- /dev/null
+++ b/testdata/crashers/eae5f62c3fc844275194f17d530d26ceafcf941b
@@ -0,0 +1 @@
+�0
\ No newline at end of file
diff --git a/testdata/crashers/eb9a0e5a353364b221b1e1e3115d34d7948e9ae9 b/testdata/crashers/eb9a0e5a353364b221b1e1e3115d34d7948e9ae9
new file mode 100644
index 0000000000000000000000000000000000000000..f5f40a584e6a9484fb84e7f0a1fe0b53a34191b7
GIT binary patch
literal 51
zcmZo$?3bByV2M+He$JuAo_Qq<%iVJF6HAPZPC0n;g+VxGCZ`W@DxNyfER?@2xTFXG
DKkpT<

literal 0
HcmV?d00001

diff --git a/testdata/crashers/edb2dfda8124a5c5935dd1d449f493e868d9f9c0 b/testdata/crashers/edb2dfda8124a5c5935dd1d449f493e868d9f9c0
new file mode 100644
index 0000000..56801ee
--- /dev/null
+++ b/testdata/crashers/edb2dfda8124a5c5935dd1d449f493e868d9f9c0
@@ -0,0 +1 @@
+��000000�0000�000000��0000�0000000
\ No newline at end of file
diff --git a/testdata/crashers/f023f3307ef4fe6b9d8ea2c0ea4fb3bc954f2888 b/testdata/crashers/f023f3307ef4fe6b9d8ea2c0ea4fb3bc954f2888
new file mode 100644
index 0000000..3c6135a
--- /dev/null
+++ b/testdata/crashers/f023f3307ef4fe6b9d8ea2c0ea4fb3bc954f2888
@@ -0,0 +1 @@
+��000000�0000�000000��0000�000
\ No newline at end of file
diff --git a/testdata/crashers/f1ec5f959e75412b01270a861f1f1ecdfda1cb9c b/testdata/crashers/f1ec5f959e75412b01270a861f1f1ecdfda1cb9c
new file mode 100644
index 0000000..6b03410
--- /dev/null
+++ b/testdata/crashers/f1ec5f959e75412b01270a861f1f1ecdfda1cb9c
@@ -0,0 +1 @@
+�0
\ No newline at end of file
diff --git a/testdata/crashers/f4aaa2a22e1038e4abda4636592d330fc9fc693b b/testdata/crashers/f4aaa2a22e1038e4abda4636592d330fc9fc693b
new file mode 100644
index 0000000..af1ca31
--- /dev/null
+++ b/testdata/crashers/f4aaa2a22e1038e4abda4636592d330fc9fc693b
@@ -0,0 +1 @@
+�00�0
\ No newline at end of file
diff --git a/testdata/crashers/f7cb64ffc60ab1f9e0aecbd9c560af1d743fe314 b/testdata/crashers/f7cb64ffc60ab1f9e0aecbd9c560af1d743fe314
new file mode 100644
index 0000000..c81fbaf
--- /dev/null
+++ b/testdata/crashers/f7cb64ffc60ab1f9e0aecbd9c560af1d743fe314
@@ -0,0 +1 @@
+��00000
\ No newline at end of file
diff --git a/testdata/crashers/f86f8b65ecd59bddb8df4850b538b863021ea14a b/testdata/crashers/f86f8b65ecd59bddb8df4850b538b863021ea14a
new file mode 100644
index 0000000..c863994
--- /dev/null
+++ b/testdata/crashers/f86f8b65ecd59bddb8df4850b538b863021ea14a
@@ -0,0 +1 @@
+��000000�0000�000000��00
\ No newline at end of file
diff --git a/testdata/crashers/f87f13e299cb66c824237b662a5623647d3af86e b/testdata/crashers/f87f13e299cb66c824237b662a5623647d3af86e
new file mode 100644
index 0000000..d9f2a3a
--- /dev/null
+++ b/testdata/crashers/f87f13e299cb66c824237b662a5623647d3af86e
@@ -0,0 +1 @@
+�00000000000�
\ No newline at end of file
diff --git a/testdata/crashers/fa85f6319c6d39864527629c9b25c4b086f398b7 b/testdata/crashers/fa85f6319c6d39864527629c9b25c4b086f398b7
new file mode 100644
index 0000000..2319fb2
--- /dev/null
+++ b/testdata/crashers/fa85f6319c6d39864527629c9b25c4b086f398b7
@@ -0,0 +1 @@
+�0�000000�0000000�
\ No newline at end of file
diff --git a/testdata/crashers/fc7077d7ef5f47af404835e9ea6401f258b27f83 b/testdata/crashers/fc7077d7ef5f47af404835e9ea6401f258b27f83
new file mode 100644
index 0000000..5fb3208
--- /dev/null
+++ b/testdata/crashers/fc7077d7ef5f47af404835e9ea6401f258b27f83
@@ -0,0 +1 @@
+��000000�0000000000000000000000000
\ No newline at end of file

From 725ba0f0147fd79fd0eb7c78c7b37021d609a267 Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Sun, 11 Sep 2022 18:01:26 +0900
Subject: [PATCH 3/9] update test go version in Github Actions

---
 .github/workflows/test.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 025c169..fbf713c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,6 @@ env:
   WORKSPACE: ${{ github.workspace }}/src/github.com/${{ github.repository }}
 
 jobs:
-
   test:
     defaults:
       run:
@@ -15,7 +14,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: [1.13, 1.14, 1.15, 1.16]
+        go: [1.17, 1.18, 1.19]
     name: ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -44,7 +43,7 @@ jobs:
         run: go test -v --coverpkg=github.com/shamaton/msgpack/... --coverprofile=coverage.coverprofile --covermode=atomic ./...
 
       - name: Upload coverage to Codecov
-        if: success() && matrix.go == 1.15 && matrix.os == 'ubuntu-latest'
+        if: success() && matrix.go == 1.19 && matrix.os == 'ubuntu-latest'
         uses: codecov/codecov-action@v1
         with:
           token:

From 0f57acc3515d4628123e4097334ee383a6a0de8e Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Sun, 11 Sep 2022 18:12:59 +0900
Subject: [PATCH 4/9] print if panic occured

---
 crash_test.go | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/crash_test.go b/crash_test.go
index f5ab514..1f98b67 100644
--- a/crash_test.go
+++ b/crash_test.go
@@ -36,11 +36,23 @@ func TestCrashBinary(t *testing.T) {
 }
 
 func check(t *testing.T, wg *sync.WaitGroup, ch <-chan string) {
+	var (
+		path string
+		ok   bool
+		data []byte
+	)
 	t.Helper()
 	defer wg.Done()
+	defer func() {
+		if e := recover(); e != nil {
+			t.Logf("panic occurred.\nfile: %s\nlen: %d\nbin: % x\nerr: %+v",
+				path, len(data), data, e,
+			)
+		}
+	}()
 
 	for {
-		path, ok := <-ch // closeされると ok が false になる
+		path, ok = <-ch // closeされると ok が false になる
 		if !ok {
 			return
 		}
@@ -68,5 +80,8 @@ func check(t *testing.T, wg *sync.WaitGroup, ch <-chan string) {
 			t.Fail()
 			return
 		}
+
+		path = ""
+		data = nil
 	}
 }

From 2e916baa22142a288b4581a411726279492ab244 Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Wed, 19 Oct 2022 21:52:28 +0900
Subject: [PATCH 5/9] check required data size

---
 internal/decoding/decoding.go  | 12 ++++++++++++
 internal/decoding/interface.go |  7 +++++++
 internal/decoding/map.go       | 10 ++++++++++
 internal/decoding/slice.go     |  9 +++++++++
 internal/decoding/struct.go    |  8 ++++++++
 5 files changed, 46 insertions(+)

diff --git a/internal/decoding/decoding.go b/internal/decoding/decoding.go
index 93a1a77..eb9261d 100644
--- a/internal/decoding/decoding.go
+++ b/internal/decoding/decoding.go
@@ -133,6 +133,10 @@ func (d *decoder) decode(rv reflect.Value, offset int) (int, error) {
 			return 0, err
 		}
 
+		if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+			return 0, err
+		}
+
 		// check fixed type
 		fixedOffset, found, err := d.asFixedSlice(rv, o, l)
 		if err != nil {
@@ -223,6 +227,10 @@ func (d *decoder) decode(rv reflect.Value, offset int) (int, error) {
 			return 0, fmt.Errorf("%v len is %d, but msgpack has %d elements", rv.Type(), rv.Len(), l)
 		}
 
+		if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+			return 0, err
+		}
+
 		// create array dynamically
 		for i := 0; i < l; i++ {
 			o, err = d.decode(rv.Index(i), o)
@@ -245,6 +253,10 @@ func (d *decoder) decode(rv reflect.Value, offset int) (int, error) {
 			return 0, err
 		}
 
+		if err = d.hasRequiredLeastMapSize(o, l); err != nil {
+			return 0, err
+		}
+
 		// check fixed type
 		fixedOffset, found, err := d.asFixedMap(rv, o, l)
 		if err != nil {
diff --git a/internal/decoding/interface.go b/internal/decoding/interface.go
index e67bd7c..537ac3f 100644
--- a/internal/decoding/interface.go
+++ b/internal/decoding/interface.go
@@ -108,6 +108,10 @@ func (d *decoder) asInterface(offset int, k reflect.Kind) (interface{}, int, err
 			return nil, 0, err
 		}
 
+		if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+			return nil, 0, err
+		}
+
 		v := make([]interface{}, l)
 		for i := 0; i < l; i++ {
 			vv, o2, err := d.asInterface(o, k)
@@ -125,6 +129,9 @@ func (d *decoder) asInterface(offset int, k reflect.Kind) (interface{}, int, err
 		if err != nil {
 			return nil, 0, err
 		}
+		if err = d.hasRequiredLeastMapSize(o, l); err != nil {
+			return nil, 0, err
+		}
 		v := make(map[interface{}]interface{}, l)
 		for i := 0; i < l; i++ {
 			if d.canSetAsMapKey(o) != nil {
diff --git a/internal/decoding/map.go b/internal/decoding/map.go
index 3e02804..2f2d52c 100644
--- a/internal/decoding/map.go
+++ b/internal/decoding/map.go
@@ -2,6 +2,7 @@ package decoding
 
 import (
 	"encoding/binary"
+	"errors"
 	"reflect"
 
 	"github.com/shamaton/msgpack/v2/def"
@@ -80,9 +81,18 @@ func (d *decoder) mapLength(offset int, k reflect.Kind) (int, int, error) {
 		}
 		return int(binary.BigEndian.Uint32(bs)), offset, nil
 	}
+
 	return 0, 0, d.errorTemplate(code, k)
 }
 
+func (d *decoder) hasRequiredLeastMapSize(offset, length int) error {
+	// minimum check (byte length)
+	if len(d.data[offset:]) < length*2 {
+		return errors.New("data length lacks to create map")
+	}
+	return nil
+}
+
 func (d *decoder) asFixedMap(rv reflect.Value, offset int, l int) (int, bool, error) {
 	t := rv.Type()
 
diff --git a/internal/decoding/slice.go b/internal/decoding/slice.go
index a95fbc7..12a86fa 100644
--- a/internal/decoding/slice.go
+++ b/internal/decoding/slice.go
@@ -2,6 +2,7 @@ package decoding
 
 import (
 	"encoding/binary"
+	"errors"
 	"reflect"
 
 	"github.com/shamaton/msgpack/v2/def"
@@ -57,6 +58,14 @@ func (d *decoder) sliceLength(offset int, k reflect.Kind) (int, int, error) {
 	return 0, 0, d.errorTemplate(code, k)
 }
 
+func (d *decoder) hasRequiredLeastSliceSize(offset, length int) error {
+	// minimum check (byte length)
+	if len(d.data[offset:]) < length {
+		return errors.New("data length lacks to create map")
+	}
+	return nil
+}
+
 func (d *decoder) asFixedSlice(rv reflect.Value, offset int, l int) (int, bool, error) {
 	t := rv.Type()
 	k := t.Elem().Kind()
diff --git a/internal/decoding/struct.go b/internal/decoding/struct.go
index 0e20561..6f39f33 100644
--- a/internal/decoding/struct.go
+++ b/internal/decoding/struct.go
@@ -61,6 +61,10 @@ func (d *decoder) setStructFromArray(rv reflect.Value, offset int, k reflect.Kin
 		return 0, err
 	}
 
+	if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+		return 0, err
+	}
+
 	// find or create reference
 	var scta *structCacheTypeArray
 	cache, findCache := mapSCTA.Load(rv.Type())
@@ -99,6 +103,10 @@ func (d *decoder) setStructFromMap(rv reflect.Value, offset int, k reflect.Kind)
 		return 0, err
 	}
 
+	if err = d.hasRequiredLeastMapSize(o, l); err != nil {
+		return 0, err
+	}
+
 	var sctm *structCacheTypeMap
 	cache, cacheFind := mapSCTM.Load(rv.Type())
 	if !cacheFind {

From 398a5c841cc3c70117ae3416f12253a8db618ec0 Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Thu, 20 Oct 2022 22:25:18 +0900
Subject: [PATCH 6/9] update test actions components

---
 .github/workflows/test.yml | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fbf713c..a06164c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,12 +19,12 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Go ${{ matrix.go }}
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
 
       - name: Cache
-        uses: actions/cache@v2.1.0
+        uses: actions/cache@v3
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -32,7 +32,7 @@ jobs:
             ${{ runner.os }}-go-
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           path: ${{ env.WORKSPACE }}
 
@@ -55,11 +55,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           path: ${{ env.WORKSPACE }}
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+        uses: reviewdog/action-golangci-lint@v2
         with:
-          version: v1.29
-          working-directory: ${{ env.WORKSPACE }}
+          workdir: ${{ env.WORKSPACE }}

From 290d27fdfa49aae8be5abed93cbfdcbe51b1b1ed Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Thu, 20 Oct 2022 22:38:34 +0900
Subject: [PATCH 7/9] set github-pr-review option

---
 .github/workflows/test.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a06164c..36660a9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -62,3 +62,5 @@ jobs:
         uses: reviewdog/action-golangci-lint@v2
         with:
           workdir: ${{ env.WORKSPACE }}
+          level: warning
+          reporter: github-pr-review

From 04898e65545aca689a7926dbac989f95d1909d61 Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Thu, 20 Oct 2022 22:39:22 +0900
Subject: [PATCH 8/9] fix typo

---
 internal/decoding/decoding.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/decoding/decoding.go b/internal/decoding/decoding.go
index eb9261d..a1b064d 100644
--- a/internal/decoding/decoding.go
+++ b/internal/decoding/decoding.go
@@ -19,7 +19,7 @@ func Decode(data []byte, v interface{}, asArray bool) error {
 	d := decoder{data: data, asArray: asArray}
 
 	if d.data == nil || len(d.data) < 1 {
-		return fmt.Errorf("data is emtpy")
+		return fmt.Errorf("data is empty")
 	}
 	rv := reflect.ValueOf(v)
 	if rv.Kind() != reflect.Ptr {

From c4edbe52d6261f5155cf54972585a33e6013723a Mon Sep 17 00:00:00 2001
From: shamaton <shamaton77@gmail.com>
Date: Thu, 20 Oct 2022 22:47:34 +0900
Subject: [PATCH 9/9] fix ineffassign

---
 crash_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crash_test.go b/crash_test.go
index 1f98b67..0bcc67d 100644
--- a/crash_test.go
+++ b/crash_test.go
@@ -64,7 +64,7 @@ func check(t *testing.T, wg *sync.WaitGroup, ch <-chan string) {
 			return
 		}
 
-		data, err := io.ReadAll(file)
+		data, err = io.ReadAll(file)
 		if err != nil {
 			t.Logf("%s io.ReadAll error. err: %+v", path, err)
 			t.Fail()