| // Copyright 2016 syzkaller project authors. All rights reserved. |
| // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. |
| |
| package prog |
| |
| import ( |
| "bytes" |
| "testing" |
| ) |
| |
| func TestAssignSizeRandom(t *testing.T) { |
| target, rs, iters := initTest(t) |
| ct := target.DefaultChoiceTable() |
| for i := 0; i < iters; i++ { |
| p := target.Generate(rs, 10, ct) |
| data0 := p.Serialize() |
| for _, call := range p.Calls { |
| target.assignSizesCall(call) |
| } |
| if data1 := p.Serialize(); !bytes.Equal(data0, data1) { |
| t.Fatalf("different lens assigned, initial:\n%s\nnew:\n%s\n", data0, data1) |
| } |
| p.Mutate(rs, 10, ct, nil, nil) |
| p.Serialize() |
| for _, call := range p.Calls { |
| target.assignSizesCall(call) |
| } |
| } |
| } |
| |
| func TestAssignSize(t *testing.T) { |
| // nolint: lll |
| TestDeserializeHelper(t, "test", "64", func(target *Target, p *Prog) { |
| for _, call := range p.Calls { |
| target.assignSizesCall(call) |
| } |
| }, []DeserializeTest{ |
| { |
| In: "test$length0(&(0x7f0000000000)={0xff, 0x0})", |
| Out: "test$length0(&(0x7f0000000000)={0xff, 0x2})", |
| }, |
| { |
| In: "test$length1(&(0x7f0000001000)={0xff, 0x0})", |
| Out: "test$length1(&(0x7f0000001000)={0xff, 0x4})", |
| }, |
| { |
| In: "test$length2(&(0x7f0000001000)={0xff, 0x0})", |
| Out: "test$length2(&(0x7f0000001000)={0xff, 0x8})", |
| }, |
| { |
| In: "test$length3(&(0x7f0000005000)={0xff, 0x0, 0x0})", |
| Out: "test$length3(&(0x7f0000005000)={0xff, 0x4, 0x2})", |
| }, |
| { |
| In: "test$length4(&(0x7f0000003000)={0x0, 0x0})", |
| Out: "test$length4(&(0x7f0000003000)={0x2, 0x2})", |
| }, |
| { |
| In: "test$length5(&(0x7f0000002000)={0xff, 0x0})", |
| Out: "test$length5(&(0x7f0000002000)={0xff, 0x4})", |
| }, |
| { |
| In: "test$length6(&(0x7f0000002000)={[0xff, 0xff, 0xff, 0xff], 0x0})", |
| Out: "test$length6(&(0x7f0000002000)={[0xff, 0xff, 0xff, 0xff], 0x4})", |
| }, |
| { |
| In: "test$length7(&(0x7f0000003000)={[0xff, 0xff, 0xff, 0xff], 0x0})", |
| Out: "test$length7(&(0x7f0000003000)={[0xff, 0xff, 0xff, 0xff], 0x8})", |
| }, |
| { |
| In: "test$length8(&(0x7f000001f000)={0x00, {0xff, 0x0, 0x00, [0xff, 0xff, 0xff]}, [{0xff, 0x0, 0x00, [0xff, 0xff, 0xff]}], 0x00, 0x0, [0xff, 0xff]})", |
| Out: "test$length8(&(0x7f000001f000)={0x32, {0xff, 0x1, 0x10, [0xff, 0xff, 0xff]}, [{0xff, 0x1, 0x10, [0xff, 0xff, 0xff]}], 0x10, 0x1, [0xff, 0xff]})", |
| }, |
| { |
| In: "test$length9(&(0x7f000001f000)={&(0x7f0000000000/0x5000)=nil, 0x0000})", |
| Out: "test$length9(&(0x7f000001f000)={&(0x7f0000000000/0x5000)=nil, 0x5000})", |
| }, |
| { |
| In: "test$length10(&(0x7f0000000000/0x5000)=nil, 0x0000, 0x0000, 0x0000, 0x0000)", |
| Out: "test$length10(&(0x7f0000000000/0x5000)=nil, 0x5000, 0x5000, 0x2800, 0x1400)", |
| }, |
| { |
| In: "test$length11(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x00)", |
| Out: "test$length11(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x30)", |
| }, |
| { |
| In: "test$length12(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x00)", |
| Out: "test$length12(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x30)", |
| }, |
| { |
| In: "test$length13(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x00)", |
| Out: "test$length13(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x30)", |
| }, |
| { |
| In: "test$length14(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x00)", |
| Out: "test$length14(&(0x7f0000000000)={0xff, 0xff, [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, &(0x7f0000001000)=0x30)", |
| }, |
| { |
| In: "test_length15(0xff, 0x0)", |
| Out: "test_length15(0xff, 0x2)", |
| }, |
| { |
| In: "test$length16(&(0x7f0000000000)={[0x42, 0x42], 0xff, 0xff, 0xff, 0xff, 0xff})", |
| Out: "test$length16(&(0x7f0000000000)={[0x42, 0x42], 0x2, 0x10, 0x8, 0x4, 0x2})", |
| }, |
| { |
| In: "test$length17(&(0x7f0000000000)={0x42, 0xff, 0xff, 0xff, 0xff})", |
| Out: "test$length17(&(0x7f0000000000)={0x42, 0x8, 0x4, 0x2, 0x1})", |
| }, |
| { |
| In: "test$length18(&(0x7f0000000000)={0x42, 0xff, 0xff, 0xff, 0xff})", |
| Out: "test$length18(&(0x7f0000000000)={0x42, 0x8, 0x4, 0x2, 0x1})", |
| }, |
| { |
| In: "test$length19(&(0x7f0000000000)={{0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0xff}, 0xff, 0xff, 0xff})", |
| Out: "test$length19(&(0x7f0000000000)={{0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x14}, 0x14, 0x14, 0x5})", |
| }, |
| { |
| In: "test$length20(&(0x7f0000000000)={{{0xff, 0xff, 0xff, 0xff}, 0xff, 0xff, 0xff}, 0xff, 0xff})", |
| Out: "test$length20(&(0x7f0000000000)={{{0x4, 0x4, 0x7, 0x9}, 0x7, 0x7, 0x9}, 0x9, 0x9})", |
| }, |
| { |
| In: "test$length21(&(0x7f0000000000)=0x0, 0x0)", |
| Out: "test$length21(&(0x7f0000000000), 0x40)", |
| }, |
| { |
| In: "test$length22(&(0x7f0000000000)='12345', 0x0)", |
| Out: "test$length22(&(0x7f0000000000)='12345', 0x28)", |
| }, |
| { |
| In: "test$length23(&(0x7f0000000000)={0x1, {0x2, 0x0}})", |
| Out: "test$length23(&(0x7f0000000000)={0x1, {0x2, 0x6}})", |
| }, |
| { |
| In: "test$length24(&(0x7f0000000000)={{0x0, {0x0}}, {0x0, {0x0}}})", |
| Out: "test$length24(&(0x7f0000000000)={{0x0, {0x8}}, {0x0, {0x10}}})", |
| }, |
| { |
| In: "test$length26(&(0x7f0000000000), 0x0)", |
| Out: "test$length26(&(0x7f0000000000), 0x8)", |
| }, |
| { |
| In: "test$length27(&(0x7f0000000000), 0x0)", |
| Out: "test$length27(&(0x7f0000000000), 0x2a)", |
| }, |
| { |
| In: "test$length28(&(0x7f0000000000), 0x0)", |
| Out: "test$length28(&(0x7f0000000000), 0x2a)", |
| }, |
| { |
| In: "test$length29(&(0x7f0000000000)={'./a\\x00', './b/c\\x00', 0x0, 0x0, 0x0})", |
| Out: "test$length29(&(0x7f0000000000)={'./a\\x00', './b/c\\x00', 0xa, 0x14, 0x21})", |
| }, |
| { |
| In: "test$length30(&(0x7f0000000000)={{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, {'a', 'aaa', 'aaaaa', 'aaaaaa'}, &(0x7f0000000000)={'a', 'aaa', 'aaaaa', 'aaaaaa'}, &(0x7f0000000000)=&(0x7f0000000000)={'a', 'aaa', 'aaaaa', 'aaaaaa'}, 0x0}, 0x0}, 0x0, &(0x7f0000000000)=0x0, 0x0)", |
| Out: "test$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)", |
| }, |
| { |
| In: "test$offsetof0(&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})", |
| Out: "test$offsetof0(&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x6, 0x8, 0x10, 0x18, 0x18, 0x20})", |
| }, |
| { |
| // If len target points into squashed argument, value is not updated. |
| In: ` |
| test$length11(&(0x7f0000000000)=ANY=[@ANYBLOB="11"], 0x42) |
| test$length30(&(0x7f0000000000)=ANY=[@ANYBLOB="11"], 0x42, &(0x7f0000000000)=0x43, 0x44) |
| `, |
| }, |
| }) |
| } |