mirror of
https://github.com/reactos/syzkaller.git
synced 2024-12-11 05:13:52 +00:00
76fc461b55
Similar to C offsetof gives offset of a field from the beginning of the parent struct. We have several TODOs in descriptions asking for this.
177 lines
6.4 KiB
Go
177 lines
6.4 KiB
Go
// Copyright 2016 syzkaller project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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package prog
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import (
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"bytes"
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"strings"
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"testing"
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)
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func TestAssignSizeRandom(t *testing.T) {
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target, rs, iters := initTest(t)
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for i := 0; i < iters; i++ {
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p := target.Generate(rs, 10, nil)
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data0 := p.Serialize()
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for _, call := range p.Calls {
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target.assignSizesCall(call)
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}
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if data1 := p.Serialize(); !bytes.Equal(data0, data1) {
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t.Fatalf("different lens assigned, initial:\n%s\nnew:\n%s\n", data0, data1)
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}
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p.Mutate(rs, 10, nil, nil)
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p.Serialize()
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for _, call := range p.Calls {
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target.assignSizesCall(call)
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}
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}
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}
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func TestAssignSize(t *testing.T) {
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target := initTargetTest(t, "test", "64")
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// nolint: lll
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tests := []struct {
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unsizedProg string
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sizedProg string
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}{
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{
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"test$length0(&(0x7f0000000000)={0xff, 0x0})",
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"test$length0(&(0x7f0000000000)={0xff, 0x2})",
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},
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{
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"test$length1(&(0x7f0000001000)={0xff, 0x0})",
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"test$length1(&(0x7f0000001000)={0xff, 0x4})",
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},
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{
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"test$length2(&(0x7f0000001000)={0xff, 0x0})",
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"test$length2(&(0x7f0000001000)={0xff, 0x8})",
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},
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{
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"test$length3(&(0x7f0000005000)={0xff, 0x0, 0x0})",
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"test$length3(&(0x7f0000005000)={0xff, 0x4, 0x2})",
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},
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{
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"test$length4(&(0x7f0000003000)={0x0, 0x0})",
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"test$length4(&(0x7f0000003000)={0x2, 0x2})",
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},
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{
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"test$length5(&(0x7f0000002000)={0xff, 0x0})",
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"test$length5(&(0x7f0000002000)={0xff, 0x4})",
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},
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{
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"test$length6(&(0x7f0000002000)={[0xff, 0xff, 0xff, 0xff], 0x0})",
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"test$length6(&(0x7f0000002000)={[0xff, 0xff, 0xff, 0xff], 0x4})",
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},
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{
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"test$length7(&(0x7f0000003000)={[0xff, 0xff, 0xff, 0xff], 0x0})",
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"test$length7(&(0x7f0000003000)={[0xff, 0xff, 0xff, 0xff], 0x8})",
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},
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{
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"test$length8(&(0x7f000001f000)={0x00, {0xff, 0x0, 0x00, [0xff, 0xff, 0xff]}, [{0xff, 0x0, 0x00, [0xff, 0xff, 0xff]}], 0x00, 0x0, [0xff, 0xff]})",
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"test$length8(&(0x7f000001f000)={0x32, {0xff, 0x1, 0x10, [0xff, 0xff, 0xff]}, [{0xff, 0x1, 0x10, [0xff, 0xff, 0xff]}], 0x10, 0x1, [0xff, 0xff]})",
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},
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{
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"test$length9(&(0x7f000001f000)={&(0x7f0000000000/0x5000)=nil, 0x0000})",
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"test$length9(&(0x7f000001f000)={&(0x7f0000000000/0x5000)=nil, 0x5000})",
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},
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{
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"test$length10(&(0x7f0000000000/0x5000)=nil, 0x0000, 0x0000, 0x0000, 0x0000)",
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"test$length10(&(0x7f0000000000/0x5000)=nil, 0x5000, 0x5000, 0x2800, 0x1400)",
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},
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{
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"test$length11(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x00)",
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"test$length11(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x30)",
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},
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{
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"test$length12(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x00)",
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"test$length12(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x30)",
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},
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{
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"test$length13(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x00)",
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"test$length13(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x30)",
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},
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{
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"test$length14(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x00)",
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"test$length14(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x30)",
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},
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{
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"test$length15(0xff, 0x0)",
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"test$length15(0xff, 0x2)",
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},
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{
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"test$length16(&(0x7f0000000000)={[0x42, 0x42], 0xff, 0xff, 0xff, 0xff, 0xff})",
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"test$length16(&(0x7f0000000000)={[0x42, 0x42], 0x2, 0x10, 0x8, 0x4, 0x2})",
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},
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{
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"test$length17(&(0x7f0000000000)={0x42, 0xff, 0xff, 0xff, 0xff})",
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"test$length17(&(0x7f0000000000)={0x42, 0x8, 0x4, 0x2, 0x1})",
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},
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{
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"test$length18(&(0x7f0000000000)={0x42, 0xff, 0xff, 0xff, 0xff})",
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"test$length18(&(0x7f0000000000)={0x42, 0x8, 0x4, 0x2, 0x1})",
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},
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{
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"test$length19(&(0x7f0000000000)={{0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0xff}, 0xff, 0xff, 0xff})",
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"test$length19(&(0x7f0000000000)={{0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x14}, 0x14, 0x14, 0x5})",
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},
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{
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"test$length20(&(0x7f0000000000)={{{0xff, 0xff, 0xff, 0xff}, 0xff, 0xff, 0xff}, 0xff, 0xff})",
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"test$length20(&(0x7f0000000000)={{{0x4, 0x4, 0x7, 0x9}, 0x7, 0x7, 0x9}, 0x9, 0x9})",
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},
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{
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"test$length21(&(0x7f0000000000)=0x0, 0x0)",
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"test$length21(&(0x7f0000000000), 0x40)",
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},
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{
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"test$length22(&(0x7f0000000000)='12345', 0x0)",
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"test$length22(&(0x7f0000000000)='12345', 0x28)",
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},
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{
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"test$length23(&(0x7f0000000000)={0x1, {0x2, 0x0}})",
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"test$length23(&(0x7f0000000000)={0x1, {0x2, 0x6}})",
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},
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{
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"test$length24(&(0x7f0000000000)={{0x0, {0x0}}, {0x0, {0x0}}})",
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"test$length24(&(0x7f0000000000)={{0x0, {0x8}}, {0x0, {0x10}}})",
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},
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{
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"test$length26(&(0x7f0000000000), 0x0)",
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"test$length26(&(0x7f0000000000), 0x8)",
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},
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{
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"test$length27(&(0x7f0000000000), 0x0)",
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"test$length27(&(0x7f0000000000), 0x2a)",
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},
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{
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"test$length28(&(0x7f0000000000), 0x0)",
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"test$length28(&(0x7f0000000000), 0x2a)",
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},
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{
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"test$length29(&(0x7f0000000000)={'./a\\x00', './b/c\\x00', 0x0, 0x0, 0x0})",
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"test$length29(&(0x7f0000000000)={'./a\\x00', './b/c\\x00', 0xa, 0x14, 0x21})",
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},
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{
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"test$length30(&(0x7f0000000000)={{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {'a', 'aaa', 'aaaaa', 'aaaaaa'}, &(0x7f0000000000)={'a', 'aaa', 'aaaaa', 'aaaaaa'}, &(0x7f0000000000)=&(0x7f0000000000)={'a', 'aaa', 'aaaaa', 'aaaaaa'}, 0x0}, 0x0}, 0x0, &(0x7f0000000000)=0x0, 0x0)",
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"test$length30(&(0x7f0000000000)={{{0x0, 0x18, 0x1, 0x3, 0x5, 0x6}, {'a', 'aaa', 'aaaaa', 'aaaaaa'}, &(0x7f0000000000)={'a', 'aaa', 'aaaaa', 'aaaaaa'}, &(0x7f0000000000)=&(0x7f0000000000)={'a', 'aaa', 'aaaaa', 'aaaaaa'}, 0x2}, 0x4}, 0x40, &(0x7f0000000000)=0x18, 0x2)",
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},
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{
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"test$offsetof0(&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})",
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"test$offsetof0(&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x6, 0x8, 0x10, 0x18, 0x18, 0x20})",
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},
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}
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for i, test := range tests {
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p, err := target.Deserialize([]byte(test.unsizedProg), Strict)
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if err != nil {
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t.Fatalf("failed to deserialize prog %v: %v", i, err)
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}
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for _, call := range p.Calls {
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target.assignSizesCall(call)
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}
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p1 := strings.TrimSpace(string(p.Serialize()))
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if p1 != test.sizedProg {
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t.Fatalf("failed to assign sizes in prog %v\ngot %v\nwant %v", i, p1, test.sizedProg)
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}
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}
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}
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