Coverage Report

Created: 2025-09-05 06:52

/src/uWebSockets/fuzzing/helpers.h
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1
#ifndef HELPERS_H
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#define HELPERS_H
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/* Common helpers for fuzzing */
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#include <functional>
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#include <string_view>
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#include <cstring>
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10
/* We use this to pad the fuzz */
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11.0k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
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11.0k
    static int paddedLength = 512 * 1024;
13
11.0k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
16
11.0k
    if (paddedLength < size) {
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90
        delete [] padded;
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90
        paddedLength = size;
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90
        padded = new char [128 + paddedLength + 128];
20
90
    }
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22
11.0k
    memcpy(padded + 128, data, size);
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24
11.0k
    return (uint8_t *) padded + 128;
25
11.0k
}
WebSocket.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
1.39k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
1.39k
    static int paddedLength = 512 * 1024;
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1.39k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
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1.39k
    if (paddedLength < size) {
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12
        delete [] padded;
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12
        paddedLength = size;
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12
        padded = new char [128 + paddedLength + 128];
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12
    }
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22
1.39k
    memcpy(padded + 128, data, size);
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24
1.39k
    return (uint8_t *) padded + 128;
25
1.39k
}
TopicTree.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
3.05k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
3.05k
    static int paddedLength = 512 * 1024;
13
3.05k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
16
3.05k
    if (paddedLength < size) {
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17
        delete [] padded;
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17
        paddedLength = size;
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17
        padded = new char [128 + paddedLength + 128];
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17
    }
21
22
3.05k
    memcpy(padded + 128, data, size);
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24
3.05k
    return (uint8_t *) padded + 128;
25
3.05k
}
PerMessageDeflate.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
300
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
300
    static int paddedLength = 512 * 1024;
13
300
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
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300
    if (paddedLength < size) {
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21
        delete [] padded;
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21
        paddedLength = size;
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21
        padded = new char [128 + paddedLength + 128];
20
21
    }
21
22
300
    memcpy(padded + 128, data, size);
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24
300
    return (uint8_t *) padded + 128;
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300
}
Http.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
6.34k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
6.34k
    static int paddedLength = 512 * 1024;
13
6.34k
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
16
6.34k
    if (paddedLength < size) {
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40
        delete [] padded;
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40
        paddedLength = size;
19
40
        padded = new char [128 + paddedLength + 128];
20
40
    }
21
22
6.34k
    memcpy(padded + 128, data, size);
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6.34k
    return (uint8_t *) padded + 128;
25
6.34k
}
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27
/* Splits the fuzz data in one or many chunks */
28
11.0k
static inline void makeChunked(const uint8_t *data, size_t size, std::function<void(const uint8_t *data, size_t size)> cb) {
29
    /* First byte determines chunk size; 0 is all that remains, 1-255 is small chunk */
30
5.48M
    for (int i = 0; i < size; ) {
31
5.47M
        unsigned int chunkSize = data[i++];
32
5.47M
        if (!chunkSize) {
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3.46k
            chunkSize = size - i;
34
5.46M
        } else {
35
5.46M
            chunkSize = std::min<int>(chunkSize, size - i);
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5.46M
        }
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5.47M
        cb(data + i, chunkSize);
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5.47M
        i += chunkSize;
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5.47M
    }
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11.0k
}
WebSocket.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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Source
28
1.39k
static inline void makeChunked(const uint8_t *data, size_t size, std::function<void(const uint8_t *data, size_t size)> cb) {
29
    /* First byte determines chunk size; 0 is all that remains, 1-255 is small chunk */
30
112k
    for (int i = 0; i < size; ) {
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111k
        unsigned int chunkSize = data[i++];
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111k
        if (!chunkSize) {
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427
            chunkSize = size - i;
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110k
        } else {
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110k
            chunkSize = std::min<int>(chunkSize, size - i);
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110k
        }
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38
111k
        cb(data + i, chunkSize);
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111k
        i += chunkSize;
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111k
    }
41
1.39k
}
TopicTree.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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Source
28
3.05k
static inline void makeChunked(const uint8_t *data, size_t size, std::function<void(const uint8_t *data, size_t size)> cb) {
29
    /* First byte determines chunk size; 0 is all that remains, 1-255 is small chunk */
30
4.06M
    for (int i = 0; i < size; ) {
31
4.06M
        unsigned int chunkSize = data[i++];
32
4.06M
        if (!chunkSize) {
33
287
            chunkSize = size - i;
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4.06M
        } else {
35
4.06M
            chunkSize = std::min<int>(chunkSize, size - i);
36
4.06M
        }
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38
4.06M
        cb(data + i, chunkSize);
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4.06M
        i += chunkSize;
40
4.06M
    }
41
3.05k
}
PerMessageDeflate.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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28
300
static inline void makeChunked(const uint8_t *data, size_t size, std::function<void(const uint8_t *data, size_t size)> cb) {
29
    /* First byte determines chunk size; 0 is all that remains, 1-255 is small chunk */
30
1.07M
    for (int i = 0; i < size; ) {
31
1.07M
        unsigned int chunkSize = data[i++];
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1.07M
        if (!chunkSize) {
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172
            chunkSize = size - i;
34
1.07M
        } else {
35
1.07M
            chunkSize = std::min<int>(chunkSize, size - i);
36
1.07M
        }
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38
1.07M
        cb(data + i, chunkSize);
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1.07M
        i += chunkSize;
40
1.07M
    }
41
300
}
Http.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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28
6.34k
static inline void makeChunked(const uint8_t *data, size_t size, std::function<void(const uint8_t *data, size_t size)> cb) {
29
    /* First byte determines chunk size; 0 is all that remains, 1-255 is small chunk */
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226k
    for (int i = 0; i < size; ) {
31
220k
        unsigned int chunkSize = data[i++];
32
220k
        if (!chunkSize) {
33
2.57k
            chunkSize = size - i;
34
217k
        } else {
35
217k
            chunkSize = std::min<int>(chunkSize, size - i);
36
217k
        }
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38
220k
        cb(data + i, chunkSize);
39
220k
        i += chunkSize;
40
220k
    }
41
6.34k
}
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43
/* Reads all bytes to trigger invalid reads */
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152k
static inline void readBytes(std::string_view s) {
45
152k
    volatile int sum = 0;
46
2.47M
    for (int i = 0; i < s.size(); i++) {
47
2.32M
        sum += s[i];
48
2.32M
    }
49
152k
}
Unexecuted instantiation: WebSocket.cpp:readBytes(std::__1::basic_string_view<char, std::__1::char_traits<char> >)
Unexecuted instantiation: TopicTree.cpp:readBytes(std::__1::basic_string_view<char, std::__1::char_traits<char> >)
Unexecuted instantiation: PerMessageDeflate.cpp:readBytes(std::__1::basic_string_view<char, std::__1::char_traits<char> >)
Http.cpp:readBytes(std::__1::basic_string_view<char, std::__1::char_traits<char> >)
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Source
44
152k
static inline void readBytes(std::string_view s) {
45
152k
    volatile int sum = 0;
46
2.47M
    for (int i = 0; i < s.size(); i++) {
47
2.32M
        sum += s[i];
48
2.32M
    }
49
152k
}
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51
#endif