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fix:(encoder) insufficient buffer size check for OP_i32 (#269)

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Yi Duan 2022-07-28 17:18:53 +08:00 committed by GitHub
parent 2eae594741
commit 8b51e75241
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 35 additions and 15 deletions
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4
encoder/assembler_amd64_go116.go
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@ -819,7 +819,7 @@ func (self *_Assembler) _asm_OP_i16(_ *_Instr) {
}
func (self *_Assembler) _asm_OP_i32(_ *_Instr) {
self.store_int(11, _F_i64toa, "MOVLQSX")
self.store_int(17, _F_i64toa, "MOVLQSX")
}
func (self *_Assembler) _asm_OP_i64(_ *_Instr) {
@ -835,7 +835,7 @@ func (self *_Assembler) _asm_OP_u16(_ *_Instr) {
}
func (self *_Assembler) _asm_OP_u32(_ *_Instr) {
self.store_int(10, _F_u64toa, "MOVLQZX")
self.store_int(16, _F_u64toa, "MOVLQZX")
}
func (self *_Assembler) _asm_OP_u64(_ *_Instr) {

4
encoder/assembler_amd64_go117.go
View file

@ -832,7 +832,7 @@ func (self *_Assembler) _asm_OP_i16(_ *_Instr) {
}
func (self *_Assembler) _asm_OP_i32(_ *_Instr) {
self.store_int(11, _F_i64toa, "MOVLQSX")
self.store_int(17, _F_i64toa, "MOVLQSX")
}
func (self *_Assembler) _asm_OP_i64(_ *_Instr) {
@ -848,7 +848,7 @@ func (self *_Assembler) _asm_OP_u16(_ *_Instr) {
}
func (self *_Assembler) _asm_OP_u32(_ *_Instr) {
self.store_int(10, _F_u64toa, "MOVLQZX")
self.store_int(16, _F_u64toa, "MOVLQZX")
}
func (self *_Assembler) _asm_OP_u64(_ *_Instr) {

42
encoder/assembler_test.go
View file

@ -17,20 +17,40 @@
package encoder
import (
"encoding/hex"
"encoding/json"
"math"
"reflect"
"runtime"
"strings"
"testing"
"unsafe"
`encoding/hex`
`encoding/json`
`math`
`reflect`
`runtime`
`strings`
`testing`
`unsafe`
"github.com/bytedance/sonic/internal/rt"
"github.com/davecgh/go-spew/spew"
"github.com/stretchr/testify/assert"
`github.com/bytedance/sonic/internal/rt`
`github.com/davecgh/go-spew/spew`
`github.com/stretchr/testify/assert`
)
func TestEncoderMemoryCorruption(t *testing.T) {
println("TestEncoderMemoryCorruption")
var m = map[string]interface{}{
"1": map[string]interface{} {
`"`+strings.Repeat("a", _MaxBuffer - 38)+`"`: "b",
"1": map[string]int32{
"b": 1658219785,
},
},
}
out, err := Encode(m, SortMapKeys)
if err != nil {
t.Fatal(err)
}
println(len(out))
if err := json.Unmarshal(out, &m); err != nil {
t.Fatal(err)
}
}
func TestAssembler_CompileAndLoad(t *testing.T) {
p, err := newCompiler().compile(reflect.TypeOf((*bool)(nil)))
assert.Nil(t, err)