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Fuzzing add seed, new target and remove bloat
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Signed-off-by: Arjun Singh <[email protected]>
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@0x34d
0x34d committed Oct 13, 2023
1 parent c864545 commit ba4fb56
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92 changes: 92 additions & 0 deletions fuzz_test.go
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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package dtls

import "testing"

func FuzzUnmarshalBinary(f *testing.F) {
TestResumeClient := []byte{
0xfe, 0x01, 0x1e, 0xff, 0x81, 0x03, 0x01, 0x01, 0x01, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x64, 0x53,
0x74, 0x61, 0x74, 0x65, 0x01, 0xff, 0x82, 0x01, 0x01, 0x01, 0x01, 0x01, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x45, 0x70, 0x6f,
0x63, 0x68, 0x01, 0x01, 0x01, 0x01, 0x01, 0x52, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x45, 0x70, 0x6f, 0x63, 0x68, 0x01, 0x01,
0x00, 0x01, 0x01, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x01, 0xff, 0x84, 0x01, 0x01, 0x01,
0x52, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x01, 0xff, 0x84, 0x01, 0x01, 0x01, 0x43, 0x69,
0x70, 0x68, 0x65, 0x72, 0x53, 0x75, 0x69, 0x74, 0x65, 0x49, 0x44, 0x01, 0x01, 0x01, 0x01, 0x01, 0x4d, 0x61, 0x73, 0x74,
0x65, 0x72, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x01, 0x01, 0x01, 0x01, 0x01, 0x53, 0x65, 0x71, 0x75, 0x65, 0x6e, 0x63,
0x65, 0x4e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x01, 0x01, 0x01, 0x01, 0x15, 0x53, 0x52, 0x54, 0x50, 0x50, 0x72, 0x6f, 0x74,
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0x73, 0x69, 0x6f, 0x6e, 0x49, 0x44, 0x01, 0x01, 0x01, 0x01, 0x11, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x43, 0x6f, 0x6e, 0x6e,
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0x69, 0x65, 0x6e, 0x74, 0x01, 0x01, 0x01, 0x01, 0x01, 0x19, 0xff, 0x83, 0x01, 0x01, 0x01, 0x01, 0x5b, 0x33, 0x32, 0x5d,
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0x01, 0x01, 0x5b, 0x5d, 0x5b, 0x5d, 0x75, 0x69, 0x6e, 0x74, 0x38, 0x01, 0xff, 0x86, 0x01, 0x01, 0x01, 0x01, 0x01, 0xfe,
0x01, 0x5e, 0xff, 0x82, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x65, 0x26, 0x4d, 0xff, 0xd0, 0x6c, 0x64, 0xff, 0xd4, 0x3f,
0x4c, 0x3d, 0xff, 0xcb, 0xff, 0xc9, 0x30, 0x64, 0xff, 0xaa, 0x3a, 0x1a, 0x77, 0xff, 0x92, 0xff, 0xa0, 0x4e, 0x6d, 0xff,
0xfd, 0xff, 0x97, 0xff, 0x9a, 0x23, 0xff, 0xfc, 0x15, 0xff, 0xa9, 0x65, 0xff, 0xf9, 0xff, 0xa3, 0x01, 0x20, 0x65, 0x26,
0x4d, 0xff, 0xd0, 0xff, 0xf7, 0x77, 0x46, 0x75, 0xff, 0xd0, 0x59, 0x4c, 0x50, 0xff, 0xf2, 0xff, 0xd7, 0x16, 0x41, 0x45,
0x5e, 0xff, 0xff, 0xff, 0xd1, 0x5e, 0x13, 0x34, 0xff, 0xdf, 0xff, 0xb8, 0xff, 0x92, 0xff, 0xe8, 0xff, 0x9e, 0xff, 0x80,
0x2c, 0xff, 0x80, 0xff, 0xf8, 0x01, 0xfe, 0xc0, 0x2b, 0x01, 0x30, 0xc3, 0xd2, 0x7a, 0xec, 0x1a, 0xc0, 0xae, 0xf6, 0x6f,
0xde, 0x7c, 0x69, 0x45, 0x53, 0x9c, 0xd0, 0xe9, 0x3c, 0x31, 0x95, 0x53, 0x48, 0x68, 0xc7, 0xf0, 0x4d, 0x01, 0x46, 0xf6,
0x36, 0x44, 0x1d, 0x6a, 0x8c, 0x17, 0x2d, 0x8e, 0x64, 0x98, 0x8b, 0x62, 0xdd, 0xf6, 0xf8, 0x01, 0x97, 0x55, 0x29, 0x01,
0x01, 0x01, 0x01, 0xfe, 0x01, 0xb7, 0x30, 0x82, 0x01, 0xb3, 0x30, 0x82, 0x01, 0x59, 0xa0, 0x01, 0x01, 0x01, 0x01, 0x01,
0x11, 0x01, 0x25, 0x79, 0xf8, 0xd3, 0x4b, 0x01, 0x01, 0xbb, 0x75, 0x95, 0x01, 0xcc, 0x78, 0xae, 0x87, 0xeb, 0x30, 0x01,
0x01, 0x01, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x01, 0x01, 0x01, 0x30, 0x1b, 0x31, 0x19, 0x30, 0x17, 0x01, 0x01, 0x55, 0x01,
0x01, 0x13, 0x10, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x73, 0x69, 0x67, 0x6e, 0x65, 0x64, 0x20, 0x63, 0x65, 0x72, 0x74, 0x30,
0x1e, 0x17, 0x01, 0x32, 0x33, 0x31, 0x30, 0x31, 0x31, 0x30, 0x37, 0x32, 0x35, 0x30, 0x34, 0x5a, 0x17, 0x01, 0x32, 0x33,
0x31, 0x31, 0x31, 0x31, 0x30, 0x37, 0x32, 0x35, 0x30, 0x34, 0x5a, 0x30, 0x1b, 0x31, 0x19, 0x30, 0x17, 0x01, 0x01, 0x55,
0x01, 0x01, 0x13, 0x10, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x73, 0x69, 0x67, 0x6e, 0x65, 0x64, 0x20, 0x63, 0x65, 0x72, 0x74,
0x30, 0x59, 0x30, 0x13, 0x01, 0x01, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x01, 0x01, 0x01, 0x01, 0x2a, 0x86, 0x48, 0xce, 0x3d,
0x01, 0x01, 0x01, 0x01, 0x42, 0x01, 0x01, 0xe1, 0xc7, 0x5a, 0x7f, 0xe6, 0x2f, 0xc1, 0xbb, 0x2d, 0x5a, 0xf8, 0x23, 0x59,
0x17, 0x12, 0x22, 0x9d, 0x91, 0xe1, 0x19, 0x6f, 0xa4, 0x89, 0x23, 0x01, 0x83, 0x80, 0x31, 0x41, 0x4d, 0xda, 0xf8, 0xc8,
0xf2, 0xf4, 0x40, 0x52, 0xee, 0x74, 0x12, 0x1b, 0xdf, 0x4f, 0xd8, 0x14, 0x49, 0xf6, 0x81, 0x52, 0xce, 0xed, 0x23, 0xe7,
0x49, 0x51, 0xed, 0x9b, 0xca, 0x4b, 0xd8, 0x65, 0xa5, 0x7f, 0x82, 0xa3, 0x7e, 0x30, 0x7c, 0x30, 0x01, 0x01, 0x01, 0x55,
0x1d, 0x01, 0x01, 0x01, 0xff, 0x01, 0x01, 0x01, 0x01, 0x01, 0x84, 0x30, 0x1d, 0x01, 0x01, 0x55, 0x1d, 0x25, 0x01, 0x16,
0x30, 0x14, 0x01, 0x01, 0x2b, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x2b, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x30, 0x01, 0x01, 0x01, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x01, 0x01, 0x30, 0x01, 0x01, 0x01, 0xff, 0x30,
0x1d, 0x01, 0x01, 0x55, 0x1d, 0x01, 0x01, 0x16, 0x01, 0x14, 0x6e, 0x65, 0xf7, 0xe1, 0x38, 0x2b, 0x01, 0xb8, 0x3e, 0xc4,
0xf9, 0xe3, 0x72, 0xab, 0x5f, 0xd9, 0x8c, 0x01, 0xb6, 0x23, 0x30, 0x1b, 0x01, 0x01, 0x55, 0x1d, 0x11, 0x01, 0x14, 0x30,
0x12, 0x82, 0x10, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x73, 0x69, 0x67, 0x6e, 0x65, 0x64, 0x20, 0x63, 0x65, 0x72, 0x74, 0x30,
0x01, 0x01, 0x01, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x01, 0x01, 0x01, 0x01, 0x48, 0x01, 0x30, 0x45, 0x01, 0x21, 0x01, 0xd0,
0xca, 0x12, 0x9c, 0x25, 0x7f, 0x3f, 0x11, 0x77, 0xdc, 0x26, 0x69, 0x9f, 0xe0, 0xb2, 0xb8, 0x35, 0x78, 0xf5, 0x88, 0x64,
0x8e, 0xc5, 0xc5, 0xdb, 0xf1, 0xb8, 0x49, 0x15, 0xea, 0x67, 0xe6, 0x01, 0x20, 0x41, 0x40, 0xc3, 0xde, 0xca, 0x13, 0x9b,
0xe8, 0x10, 0x3c, 0xb6, 0xba, 0xf6, 0x01, 0xee, 0x8c, 0xa6, 0xf1, 0xda, 0x01, 0xab, 0x01, 0xe8, 0x12, 0x92, 0x35, 0x43,
0xca, 0xf8, 0xec, 0xde, 0x01, 0x01, 0x01, 0x01,
}
TestResumeServer := []byte{
0xfe, 0x01, 0x1e, 0xff, 0x81, 0x01, 0x01, 0x01, 0x01, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x64, 0x53,
0x74, 0x61, 0x74, 0x65, 0x01, 0xff, 0x82, 0x01, 0x01, 0x01, 0x01, 0x01, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x45, 0x70, 0x6f,
0x63, 0x68, 0x01, 0x01, 0x01, 0x01, 0x01, 0x52, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x45, 0x70, 0x6f, 0x63, 0x68, 0x01, 0x01,
0x01, 0x01, 0x01, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x01, 0xff, 0x84, 0x01, 0x01, 0x01,
0x52, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x01, 0xff, 0x84, 0x01, 0x01, 0x01, 0x43, 0x69,
0x70, 0x68, 0x65, 0x72, 0x53, 0x75, 0x69, 0x74, 0x65, 0x49, 0x44, 0x01, 0x01, 0x01, 0x01, 0x01, 0x4d, 0x61, 0x73, 0x74,
0x65, 0x72, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x01, 0x01, 0x01, 0x01, 0x01, 0x53, 0x65, 0x71, 0x75, 0x65, 0x6e, 0x63,
0x65, 0x4e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x01, 0x01, 0x01, 0x01, 0x15, 0x53, 0x52, 0x54, 0x50, 0x50, 0x72, 0x6f, 0x74,
0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x50, 0x72, 0x6f, 0x66, 0x69, 0x6c, 0x65, 0x01, 0x01, 0x01, 0x01, 0x10, 0x50, 0x65,
0x65, 0x72, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x73, 0x01, 0xff, 0x86, 0x01, 0x01, 0x01,
0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x48, 0x69, 0x6e, 0x74, 0x01, 0x01, 0x01, 0x01, 0x01, 0x53, 0x65, 0x73,
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0x69, 0x65, 0x6e, 0x74, 0x01, 0x01, 0x01, 0x01, 0x01, 0x19, 0xff, 0x83, 0x01, 0x01, 0x01, 0x01, 0x5b, 0x33, 0x32, 0x5d,
0x75, 0x69, 0x6e, 0x74, 0x38, 0x01, 0xff, 0x84, 0x01, 0x01, 0x01, 0x01, 0x40, 0x01, 0x01, 0x17, 0xff, 0x85, 0x01, 0x01,
0x01, 0x01, 0x5b, 0x5d, 0x5b, 0x5d, 0x75, 0x69, 0x6e, 0x74, 0x38, 0x01, 0xff, 0x86, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff,
0x9d, 0xff, 0x82, 0x01, 0x01, 0x01, 0x01, 0x01, 0x20, 0x65, 0x26, 0x4d, 0xff, 0xe1, 0xff, 0xc4, 0x4b, 0xff, 0xc7, 0x1a,
0x27, 0xff, 0xae, 0x11, 0xff, 0xeb, 0x2f, 0xff, 0x91, 0x6b, 0x5a, 0x1a, 0x4f, 0x36, 0x67, 0xff, 0xf2, 0x4d, 0x50, 0xff,
0xfa, 0x49, 0xff, 0xbe, 0xff, 0xe1, 0x19, 0xff, 0xa1, 0xff, 0xfe, 0xff, 0xf5, 0x7d, 0x01, 0x20, 0x65, 0x26, 0x4d, 0xff,
0xe1, 0xff, 0xd0, 0xff, 0xe8, 0xff, 0xda, 0xff, 0x85, 0x40, 0xff, 0xbc, 0x43, 0x73, 0x2e, 0x3d, 0xff, 0xad, 0x1b, 0x35,
0x5a, 0xff, 0xa3, 0x7b, 0x7f, 0xff, 0xba, 0xff, 0xdb, 0x72, 0x67, 0x3a, 0x5b, 0xff, 0xa1, 0xff, 0x98, 0x4c, 0x65, 0xff,
0xda, 0x01, 0xfe, 0xc0, 0x2b, 0x01, 0x30, 0x79, 0x8d, 0xe7, 0xfc, 0x2a, 0x8f, 0x92, 0x7f, 0x5b, 0x8a, 0x5c, 0x42, 0xa0,
0x47, 0x45, 0x76, 0xea, 0x35, 0xec, 0xd9, 0x95, 0x3d, 0x92, 0x75, 0x01, 0xf5, 0x43, 0x77, 0x50, 0x39, 0xeb, 0xa0, 0x72,
0xef, 0x34, 0x38, 0x72, 0xcb, 0x79, 0xe2, 0xe3, 0x19, 0x3b, 0x6b, 0x2e, 0x45, 0x13, 0x11, 0x01, 0x01, 0x01,
}
f.Add(TestResumeClient)
f.Add(TestResumeServer)

f.Fuzz(func(t *testing.T, data []byte) {
deserialized := &State{}
_ = deserialized.UnmarshalBinary(data)
})
}
19 changes: 19 additions & 0 deletions pkg/protocol/extension/fuzz_test.go
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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT

package extension

import "testing"

func FuzzUnmarshal(f *testing.F) {
f.Add([]byte{0x00})
f.Add([]byte{1, 6, 8, 3, 88, 12, 2, 47})
f.Add([]byte{0x0, 0xa, 0x0, 0x4, 0x0, 0x2, 0x0, 0x1d})
f.Add([]byte{0x00, 0x0b, 0x00, 0x02, 0x01, 0x00})
f.Add([]byte{0x00, 0x0d, 0x00, 0x08, 0x00, 0x06, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03})
f.Add([]byte{0x00, 0x0e, 0x00, 0x05, 0x00, 0x02, 0x00, 0x01, 0x00})

f.Fuzz(func(t *testing.T, data []byte) {
_, _ = Unmarshal(data)
})
}
67 changes: 57 additions & 10 deletions pkg/protocol/handshake/fuzz_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,17 +8,64 @@ import (
)

func FuzzDtlsHandshake(f *testing.F) {
rawCertificateRequest := []byte{
0x02, 0x01, 0x40, 0x00, 0x0C, 0x04, 0x03, 0x04, 0x01, 0x05, 0x03,
0x05, 0x01, 0x06, 0x01, 0x02, 0x01, 0x00, 0x06, 0x00, 0x04, 0x74, 0x65, 0x73, 0x74,
}
rawCertificateVerify := []byte{
0x04, 0x03, 0x00, 0x47, 0x30, 0x45, 0x02, 0x20, 0x6b, 0x63, 0x17, 0xad, 0xbe, 0xb7, 0x7b, 0x0f,
0x86, 0x73, 0x39, 0x1e, 0xba, 0xb3, 0x50, 0x9c, 0xce, 0x9c, 0xe4, 0x8b, 0xe5, 0x13, 0x07, 0x59,
0x18, 0x1f, 0xe5, 0xa0, 0x2b, 0xca, 0xa6, 0xad, 0x02, 0x21, 0x00, 0xd3, 0xb5, 0x01, 0xbe, 0x87,
0x6c, 0x04, 0xa1, 0xdc, 0x28, 0xaa, 0x5f, 0xf7, 0x1e, 0x9c, 0xc0, 0x1e, 0x00, 0x2c, 0xe5, 0x94,
0xbb, 0x03, 0x0e, 0xf1, 0xcb, 0x28, 0x22, 0x33, 0x23, 0x88, 0xad,
}
rawClientHello := []byte{
0xfe, 0xfd, 0xb6, 0x2f, 0xce, 0x5c, 0x42, 0x54, 0xff, 0x86, 0xe1, 0x24, 0x41, 0x91, 0x42,
0x62, 0x15, 0xad, 0x16, 0xc9, 0x15, 0x8d, 0x95, 0x71, 0x8a, 0xbb, 0x22, 0xd7, 0x47, 0xec,
0xd8, 0x3d, 0xdc, 0x4b, 0x00, 0x14, 0xe6, 0x14, 0x3a, 0x1b, 0x04, 0xea, 0x9e, 0x7a, 0x14,
0xd6, 0x6c, 0x57, 0xd0, 0x0e, 0x32, 0x85, 0x76, 0x18, 0xde, 0xd8, 0x00, 0x04, 0xc0, 0x2b,
0xc0, 0x0a, 0x01, 0x00, 0x00, 0x08, 0x00, 0x0a, 0x00, 0x04, 0x00, 0x02, 0x00, 0x1d,
}
rawClientKeyExchange := []byte{
0x20, 0x26, 0x78, 0x4a, 0x78, 0x70, 0xc1, 0xf9, 0x71, 0xea, 0x50, 0x4a, 0xb5, 0xbb, 0x00, 0x76,
0x02, 0x05, 0xda, 0xf7, 0xd0, 0x3f, 0xe3, 0xf7, 0x4e, 0x8a, 0x14, 0x6f, 0xb7, 0xe0, 0xc0, 0xff,
0x54,
}
rawFinished := []byte{
0x01, 0x01, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
}
rawHelloVerifyRequest := []byte{
0xfe, 0xff, 0x14, 0x25, 0xfb, 0xee, 0xb3, 0x7c, 0x95, 0xcf, 0x00,
0xeb, 0xad, 0xe2, 0xef, 0xc7, 0xfd, 0xbb, 0xed, 0xf7, 0x1f, 0x6c, 0xcd,
}
rawServerHello := []byte{
0xfe, 0xfd, 0x21, 0x63, 0x32, 0x21, 0x81, 0x0e, 0x98, 0x6c,
0x85, 0x3d, 0xa4, 0x39, 0xaf, 0x5f, 0xd6, 0x5c, 0xcc, 0x20,
0x7f, 0x7c, 0x78, 0xf1, 0x5f, 0x7e, 0x1c, 0xb7, 0xa1, 0x1e,
0xcf, 0x63, 0x84, 0x28, 0x00, 0xc0, 0x2b, 0x00, 0x00, 0x00,
}
rawServerKeyExchange := []byte{
0x03, 0x00, 0x1d, 0x41, 0x04, 0x0c, 0xb9, 0xa3, 0xb9, 0x90, 0x71, 0x35, 0x4a, 0x08, 0x66, 0xaf,
0xd6, 0x88, 0x58, 0x29, 0x69, 0x98, 0xf1, 0x87, 0x0f, 0xb5, 0xa8, 0xcd, 0x92, 0xf6, 0x2b, 0x08,
0x0c, 0xd4, 0x16, 0x5b, 0xcc, 0x81, 0xf2, 0x58, 0x91, 0x8e, 0x62, 0xdf, 0xc1, 0xec, 0x72, 0xe8,
0x47, 0x24, 0x42, 0x96, 0xb8, 0x7b, 0xee, 0xe7, 0x0d, 0xdc, 0x44, 0xec, 0xf3, 0x97, 0x6b, 0x1b,
0x45, 0x28, 0xac, 0x3f, 0x35, 0x02, 0x03, 0x00, 0x47, 0x30, 0x45, 0x02, 0x21, 0x00, 0xb2, 0x0b,
0x22, 0x95, 0x3d, 0x56, 0x57, 0x6a, 0x3f, 0x85, 0x30, 0x6f, 0x55, 0xc3, 0xf4, 0x24, 0x1b, 0x21,
0x07, 0xe5, 0xdf, 0xba, 0x24, 0x02, 0x68, 0x95, 0x1f, 0x6e, 0x13, 0xbd, 0x9f, 0xaa, 0x02, 0x20,
0x49, 0x9c, 0x9d, 0xdf, 0x84, 0x60, 0x33, 0x27, 0x96, 0x9e, 0x58, 0x6d, 0x72, 0x13, 0xe7, 0x3a,
0xe8, 0xdf, 0x43, 0x75, 0xc7, 0xb9, 0x37, 0x6e, 0x90, 0xe5, 0x3b, 0x81, 0xd4, 0xda, 0x68, 0xcd,
}
f.Add(rawCertificateRequest)
f.Add(rawCertificateVerify)
f.Add(rawClientHello)
f.Add(rawClientKeyExchange)
f.Add(rawFinished)
f.Add(rawHelloVerifyRequest)
f.Add(rawServerHello)
f.Add(rawServerKeyExchange)

f.Fuzz(func(t *testing.T, data []byte) {
h := &Handshake{}
if err := h.Unmarshal(data); err != nil {
return
}
buf, err := h.Marshal()
if err != nil {
t.Fatal(err)
}
if len(buf) == 0 {
t.Fatal("Zero buff")
}
_ = h.Unmarshal(data)
})
}
46 changes: 20 additions & 26 deletions pkg/protocol/recordlayer/fuzz_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4,39 +4,33 @@
package recordlayer

import (
"reflect"
"testing"
)

func headerMismatch(a, b Header) bool {
// Ignoring content length for now.
a.ContentLen = b.ContentLen
return !reflect.DeepEqual(a, b)
}

func FuzzRecordLayer(f *testing.F) {
Data := []byte{
0x14, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x01, 0x01,
}
f.Add(Data)

f.Fuzz(func(t *testing.T, data []byte) {
var r RecordLayer
if err := r.Unmarshal(data); err != nil {
return
}

buf, err := r.Marshal()
if err != nil {
return
}

if len(buf) == 0 {
t.Fatal("Zero buff")
}
_ = r.Unmarshal(data)
})
}

var nr RecordLayer
if err = nr.Unmarshal(data); err != nil {
t.Fatal(err)
}
func FuzzUnpackDatagram(f *testing.F) {
Datasingle := []byte{
0x14, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x01, 0x01,
}
Datamulti := []byte{
0x14, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x01, 0x01,
0x14, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x01, 0x01,
}
f.Add(Datasingle)
f.Add(Datamulti)

if headerMismatch(nr.Header, r.Header) {
t.Fatalf("Header mismatch: %+v != %+v", nr.Header, r.Header)
}
f.Fuzz(func(t *testing.T, data []byte) {
_, _ = UnpackDatagram(data)
})
}

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