Coverage Report

Created: 2025-07-04 06:41

/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 */
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
1.43k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
1.43k
    static int paddedLength = 512 * 1024;
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1.43k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
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1.43k
    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
1.43k
    memcpy(padded + 128, data, size);
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24
1.43k
    return (uint8_t *) padded + 128;
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1.43k
}
TopicTree.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
3.29k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
3.29k
    static int paddedLength = 512 * 1024;
13
3.29k
    static char *padded = new char[128 + paddedLength + 128];
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15
    /* Increase landing area if required */
16
3.29k
    if (paddedLength < size) {
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19
        delete [] padded;
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19
        paddedLength = size;
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19
        padded = new char [128 + paddedLength + 128];
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19
    }
21
22
3.29k
    memcpy(padded + 128, data, size);
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24
3.29k
    return (uint8_t *) padded + 128;
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3.29k
}
PerMessageDeflate.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
310
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
310
    static int paddedLength = 512 * 1024;
13
310
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
16
310
    if (paddedLength < size) {
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21
        delete [] padded;
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21
        paddedLength = size;
19
21
        padded = new char [128 + paddedLength + 128];
20
21
    }
21
22
310
    memcpy(padded + 128, data, size);
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24
310
    return (uint8_t *) padded + 128;
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310
}
Http.cpp:makePadded(unsigned char const*, unsigned long)
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Source
11
6.30k
static inline const uint8_t *makePadded(const uint8_t *data, size_t size) {
12
6.30k
    static int paddedLength = 512 * 1024;
13
6.30k
    static char *padded = new char[128 + paddedLength + 128];
14
15
    /* Increase landing area if required */
16
6.30k
    if (paddedLength < size) {
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38
        delete [] padded;
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38
        paddedLength = size;
19
38
        padded = new char [128 + paddedLength + 128];
20
38
    }
21
22
6.30k
    memcpy(padded + 128, data, size);
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6.30k
    return (uint8_t *) padded + 128;
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6.30k
}
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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
5.76M
    for (int i = 0; i < size; ) {
31
5.75M
        unsigned int chunkSize = data[i++];
32
5.75M
        if (!chunkSize) {
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2.94k
            chunkSize = size - i;
34
5.75M
        } else {
35
5.75M
            chunkSize = std::min<int>(chunkSize, size - i);
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5.75M
        }
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5.75M
        cb(data + i, chunkSize);
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5.75M
        i += chunkSize;
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5.75M
    }
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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
1.43k
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
144k
    for (int i = 0; i < size; ) {
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142k
        unsigned int chunkSize = data[i++];
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142k
        if (!chunkSize) {
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398
            chunkSize = size - i;
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142k
        } else {
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142k
            chunkSize = std::min<int>(chunkSize, size - i);
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142k
        }
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38
142k
        cb(data + i, chunkSize);
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142k
        i += chunkSize;
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142k
    }
41
1.43k
}
TopicTree.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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Source
28
3.29k
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
3.88M
    for (int i = 0; i < size; ) {
31
3.88M
        unsigned int chunkSize = data[i++];
32
3.88M
        if (!chunkSize) {
33
358
            chunkSize = size - i;
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3.88M
        } else {
35
3.88M
            chunkSize = std::min<int>(chunkSize, size - i);
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3.88M
        }
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38
3.88M
        cb(data + i, chunkSize);
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3.88M
        i += chunkSize;
40
3.88M
    }
41
3.29k
}
PerMessageDeflate.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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28
310
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
1.51M
    for (int i = 0; i < size; ) {
31
1.51M
        unsigned int chunkSize = data[i++];
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1.51M
        if (!chunkSize) {
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176
            chunkSize = size - i;
34
1.51M
        } else {
35
1.51M
            chunkSize = std::min<int>(chunkSize, size - i);
36
1.51M
        }
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38
1.51M
        cb(data + i, chunkSize);
39
1.51M
        i += chunkSize;
40
1.51M
    }
41
310
}
Http.cpp:makeChunked(unsigned char const*, unsigned long, std::__1::function<void (unsigned char const*, unsigned long)>)
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28
6.30k
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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217k
    for (int i = 0; i < size; ) {
31
210k
        unsigned int chunkSize = data[i++];
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210k
        if (!chunkSize) {
33
2.00k
            chunkSize = size - i;
34
208k
        } else {
35
208k
            chunkSize = std::min<int>(chunkSize, size - i);
36
208k
        }
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38
210k
        cb(data + i, chunkSize);
39
210k
        i += chunkSize;
40
210k
    }
41
6.30k
}
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43
/* Reads all bytes to trigger invalid reads */
44
137k
static inline void readBytes(std::string_view s) {
45
137k
    volatile int sum = 0;
46
2.65M
    for (int i = 0; i < s.size(); i++) {
47
2.51M
        sum += s[i];
48
2.51M
    }
49
137k
}
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
137k
static inline void readBytes(std::string_view s) {
45
137k
    volatile int sum = 0;
46
2.65M
    for (int i = 0; i < s.size(); i++) {
47
2.51M
        sum += s[i];
48
2.51M
    }
49
137k
}
50
51
#endif