Coverage Report

Created: 2026-01-10 06:17

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxml2/include/private/memory.h
Line
Count
Source
1
#ifndef XML_MEMORY_H_PRIVATE__
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#define XML_MEMORY_H_PRIVATE__
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4
#include "../../libxml.h"
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6
#include <limits.h>
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#include <stddef.h>
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9
#ifndef SIZE_MAX
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  #define SIZE_MAX ((size_t) -1)
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#endif
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3.67M
#define XML_MAX_ITEMS 1000000000 /* 1 billion */
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15
XML_HIDDEN void
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xmlInitMemoryInternal(void);
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XML_HIDDEN void
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xmlCleanupMemoryInternal(void);
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/**
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 * @array:  pointer to array
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 * @capacity:  pointer to capacity (in/out)
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 * @elemSize:  size of an element in bytes
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 * @min:  elements in initial allocation
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 * @max:  maximum elements in the array
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 *
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 * Grow an array by at least one element, checking for overflow.
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 *
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 * Returns the new array size on success, -1 on failure.
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 */
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static XML_INLINE int
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4.13M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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4.13M
    int extra;
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35
4.13M
    if (capacity <= 0) {
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1.61M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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1.61M
        (void) min;
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1.61M
        return(1);
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#else
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        return(min);
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#endif
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1.61M
    }
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44
2.51M
    if ((capacity >= max) ||
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2.51M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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117
        return(-1);
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48
    /* Grow by 50% */
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2.51M
    extra = (capacity + 1) / 2;
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51
2.51M
    if (capacity > max - extra)
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231
        return(max);
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54
2.51M
    return(capacity + extra);
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2.51M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
Unexecuted instantiation: tree.c:xmlGrowCapacity
uri.c:xmlGrowCapacity
Line
Count
Source
32
8.22k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
8.22k
    int extra;
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35
8.22k
    if (capacity <= 0) {
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0
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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0
        (void) min;
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0
        return(1);
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#else
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        return(min);
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#endif
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0
    }
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44
8.22k
    if ((capacity >= max) ||
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8.19k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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26
        return(-1);
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48
    /* Grow by 50% */
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8.19k
    extra = (capacity + 1) / 2;
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51
8.19k
    if (capacity > max - extra)
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42
        return(max);
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54
8.15k
    return(capacity + extra);
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8.19k
}
valid.c:xmlGrowCapacity
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Count
Source
32
9.30k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
9.30k
    int extra;
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35
9.30k
    if (capacity <= 0) {
36
3.46k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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3.46k
        (void) min;
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3.46k
        return(1);
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#else
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        return(min);
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#endif
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3.46k
    }
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44
5.83k
    if ((capacity >= max) ||
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5.83k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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0
        return(-1);
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48
    /* Grow by 50% */
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5.83k
    extra = (capacity + 1) / 2;
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51
5.83k
    if (capacity > max - extra)
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0
        return(max);
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54
5.83k
    return(capacity + extra);
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5.83k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
558
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
558
    int extra;
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35
558
    if (capacity <= 0) {
36
249
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
249
        (void) min;
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249
        return(1);
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#else
40
        return(min);
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#endif
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249
    }
43
44
309
    if ((capacity >= max) ||
45
309
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
309
    extra = (capacity + 1) / 2;
50
51
309
    if (capacity > max - extra)
52
0
        return(max);
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54
309
    return(capacity + extra);
55
309
}
xmlregexp.c:xmlGrowCapacity
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Source
32
2.66M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.66M
    int extra;
34
35
2.66M
    if (capacity <= 0) {
36
1.25M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.25M
        (void) min;
38
1.25M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.25M
    }
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44
1.41M
    if ((capacity >= max) ||
45
1.41M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
1.41M
    extra = (capacity + 1) / 2;
50
51
1.41M
    if (capacity > max - extra)
52
0
        return(max);
53
54
1.41M
    return(capacity + extra);
55
1.41M
}
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
xinclude.c:xmlGrowCapacity
Line
Count
Source
32
20.7k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
20.7k
    int extra;
34
35
20.7k
    if (capacity <= 0) {
36
18.7k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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18.7k
        (void) min;
38
18.7k
        return(1);
39
#else
40
        return(min);
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#endif
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18.7k
    }
43
44
1.99k
    if ((capacity >= max) ||
45
1.99k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
1.99k
    extra = (capacity + 1) / 2;
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51
1.99k
    if (capacity > max - extra)
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0
        return(max);
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54
1.99k
    return(capacity + extra);
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1.99k
}
xpath.c:xmlGrowCapacity
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Source
32
1.13M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.13M
    int extra;
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35
1.13M
    if (capacity <= 0) {
36
309k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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309k
        (void) min;
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309k
        return(1);
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#else
40
        return(min);
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#endif
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309k
    }
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44
829k
    if ((capacity >= max) ||
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829k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
829k
    extra = (capacity + 1) / 2;
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51
829k
    if (capacity > max - extra)
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2
        return(max);
53
54
829k
    return(capacity + extra);
55
829k
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
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Source
32
290k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
290k
    int extra;
34
35
290k
    if (capacity <= 0) {
36
33.3k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
33.3k
        (void) min;
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33.3k
        return(1);
39
#else
40
        return(min);
41
#endif
42
33.3k
    }
43
44
257k
    if ((capacity >= max) ||
45
257k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
91
        return(-1);
47
48
    /* Grow by 50% */
49
257k
    extra = (capacity + 1) / 2;
50
51
257k
    if (capacity > max - extra)
52
187
        return(max);
53
54
257k
    return(capacity + extra);
55
257k
}
Unexecuted instantiation: pattern.c:xmlGrowCapacity
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57
#endif /* XML_MEMORY_H_PRIVATE__ */