Coverage Report

Created: 2025-08-28 06:18

/src/uWebSockets/fuzzing/helpers.h
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Count
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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 */
11
11.3k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
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11.3k
    static int paddedLength = 512 * 1024;
13
11.3k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
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11.3k
    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
11.3k
    memcpy(padded + 128, data, size);
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24
11.3k
    return (uint8_t *) padded + 128;
25
11.3k
}
WebSocket.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
1.42k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
1.42k
    static int paddedLength = 512 * 1024;
13
1.42k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
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1.42k
    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
1.42k
    memcpy(padded + 128, data, size);
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24
1.42k
    return (uint8_t *) padded + 128;
25
1.42k
}
TopicTree.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
3.17k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
3.17k
    static int paddedLength = 512 * 1024;
13
3.17k
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
16
3.17k
    if (paddedLength < size) {
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15
        delete [] padded;
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15
        paddedLength = size;
19
15
        padded = new char [128 + paddedLength + 128];
20
15
    }
21
22
3.17k
    memcpy(padded + 128, data, size);
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24
3.17k
    return (uint8_t *) padded + 128;
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3.17k
}
PerMessageDeflate.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
306
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
306
    static int paddedLength = 512 * 1024;
13
306
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
16
306
    if (paddedLength < size) {
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23
        delete [] padded;
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23
        paddedLength = size;
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23
        padded = new char [128 + paddedLength + 128];
20
23
    }
21
22
306
    memcpy(padded + 128, data, size);
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24
306
    return (uint8_t *) padded + 128;
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306
}
Http.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
6.46k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
6.46k
    static int paddedLength = 512 * 1024;
13
6.46k
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
16
6.46k
    if (paddedLength < size) {
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40
        delete [] padded;
18
40
        paddedLength = size;
19
40
        padded = new char [128 + paddedLength + 128];
20
40
    }
21
22
6.46k
    memcpy(padded + 128, data, size);
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24
6.46k
    return (uint8_t *) padded + 128;
25
6.46k
}
26
27
/* Splits the fuzz data in one or many chunks */
28
11.3k
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
5.06M
    for (int i = 0; i < size; ) {
31
5.05M
        unsigned int chunkSize = data[i++];
32
5.05M
        if (!chunkSize) {
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3.50k
            chunkSize = size - i;
34
5.04M
        } else {
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5.04M
            chunkSize = std::min<int>(chunkSize, size - i);
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5.04M
        }
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5.05M
        cb(data + i, chunkSize);
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5.05M
        i += chunkSize;
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5.05M
    }
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11.3k
}
WebSocket.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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Source
28
1.42k
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
127k
    for (int i = 0; i < size; ) {
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125k
        unsigned int chunkSize = data[i++];
32
125k
        if (!chunkSize) {
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429
            chunkSize = size - i;
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125k
        } else {
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125k
            chunkSize = std::min<int>(chunkSize, size - i);
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125k
        }
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125k
        cb(data + i, chunkSize);
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125k
        i += chunkSize;
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125k
    }
41
1.42k
}
TopicTree.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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Source
28
3.17k
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
3.93M
    for (int i = 0; i < size; ) {
31
3.93M
        unsigned int chunkSize = data[i++];
32
3.93M
        if (!chunkSize) {
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291
            chunkSize = size - i;
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3.93M
        } else {
35
3.93M
            chunkSize = std::min<int>(chunkSize, size - i);
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3.93M
        }
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3.93M
        cb(data + i, chunkSize);
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3.93M
        i += chunkSize;
40
3.93M
    }
41
3.17k
}
PerMessageDeflate.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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28
306
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
768k
    for (int i = 0; i < size; ) {
31
767k
        unsigned int chunkSize = data[i++];
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767k
        if (!chunkSize) {
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190
            chunkSize = size - i;
34
767k
        } else {
35
767k
            chunkSize = std::min<int>(chunkSize, size - i);
36
767k
        }
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38
767k
        cb(data + i, chunkSize);
39
767k
        i += chunkSize;
40
767k
    }
41
306
}
Http.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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Source
28
6.46k
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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232k
    for (int i = 0; i < size; ) {
31
225k
        unsigned int chunkSize = data[i++];
32
225k
        if (!chunkSize) {
33
2.59k
            chunkSize = size - i;
34
222k
        } else {
35
222k
            chunkSize = std::min<int>(chunkSize, size - i);
36
222k
        }
37
38
225k
        cb(data + i, chunkSize);
39
225k
        i += chunkSize;
40
225k
    }
41
6.46k
}
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43
/* Reads all bytes to trigger invalid reads */
44
151k
static inline void readBytes(std::string_view s) {
45
151k
    volatile int sum = 0;
46
2.17M
    for (int i = 0; i < s.size(); i++) {
47
2.02M
        sum += s[i];
48
2.02M
    }
49
151k
}
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
151k
static inline void readBytes(std::string_view s) {
45
151k
    volatile int sum = 0;
46
2.17M
    for (int i = 0; i < s.size(); i++) {
47
2.02M
        sum += s[i];
48
2.02M
    }
49
151k
}
50
51
#endif