Coverage Report

Created: 2026-06-13 06:16

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxml2/include/private/memory.h
Line
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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)
11
#endif
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13
1.89M
#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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20
/**
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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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2.71M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.71M
    int extra;
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35
2.71M
    if (capacity <= 0) {
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926k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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926k
        (void) min;
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926k
        return(1);
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#else
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        return(min);
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#endif
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926k
    }
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44
1.79M
    if ((capacity >= max) ||
45
1.79M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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265
        return(-1);
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48
    /* Grow by 50% */
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1.79M
    extra = (capacity + 1) / 2;
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51
1.79M
    if (capacity > max - extra)
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463
        return(max);
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54
1.79M
    return(capacity + extra);
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1.79M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
32
15.1k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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15.1k
    int extra;
34
35
15.1k
    if (capacity <= 0) {
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15.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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15.0k
        (void) min;
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15.0k
        return(1);
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#else
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        return(min);
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#endif
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15.0k
    }
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44
126
    if ((capacity >= max) ||
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126
        ((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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126
    extra = (capacity + 1) / 2;
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51
126
    if (capacity > max - extra)
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0
        return(max);
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54
126
    return(capacity + extra);
55
126
}
uri.c:xmlGrowCapacity
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Count
Source
32
8.73k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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8.73k
    int extra;
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35
8.73k
    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
8.73k
    if ((capacity >= max) ||
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8.71k
        ((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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8.71k
    extra = (capacity + 1) / 2;
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51
8.71k
    if (capacity > max - extra)
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39
        return(max);
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54
8.67k
    return(capacity + extra);
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8.71k
}
valid.c:xmlGrowCapacity
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Count
Source
32
6.87k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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6.87k
    int extra;
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35
6.87k
    if (capacity <= 0) {
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2.56k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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2.56k
        (void) min;
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2.56k
        return(1);
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#else
40
        return(min);
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#endif
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2.56k
    }
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44
4.31k
    if ((capacity >= max) ||
45
4.31k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
4.31k
    extra = (capacity + 1) / 2;
50
51
4.31k
    if (capacity > max - extra)
52
0
        return(max);
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54
4.31k
    return(capacity + extra);
55
4.31k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
377
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
377
    int extra;
34
35
377
    if (capacity <= 0) {
36
175
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
175
        (void) min;
38
175
        return(1);
39
#else
40
        return(min);
41
#endif
42
175
    }
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44
202
    if ((capacity >= max) ||
45
202
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
202
    extra = (capacity + 1) / 2;
50
51
202
    if (capacity > max - extra)
52
0
        return(max);
53
54
202
    return(capacity + extra);
55
202
}
xmlregexp.c:xmlGrowCapacity
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Source
32
1.16M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
1.16M
    int extra;
34
35
1.16M
    if (capacity <= 0) {
36
541k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
541k
        (void) min;
38
541k
        return(1);
39
#else
40
        return(min);
41
#endif
42
541k
    }
43
44
622k
    if ((capacity >= max) ||
45
622k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
622k
    extra = (capacity + 1) / 2;
50
51
622k
    if (capacity > max - extra)
52
0
        return(max);
53
54
622k
    return(capacity + extra);
55
622k
}
Unexecuted instantiation: relaxng.c:xmlGrowCapacity
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
xinclude.c:xmlGrowCapacity
Line
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Source
32
17.5k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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17.5k
    int extra;
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35
17.5k
    if (capacity <= 0) {
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15.9k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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15.9k
        (void) min;
38
15.9k
        return(1);
39
#else
40
        return(min);
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#endif
42
15.9k
    }
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44
1.64k
    if ((capacity >= max) ||
45
1.64k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
1.64k
    extra = (capacity + 1) / 2;
50
51
1.64k
    if (capacity > max - extra)
52
0
        return(max);
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54
1.64k
    return(capacity + extra);
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1.64k
}
xpath.c:xmlGrowCapacity
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32
1.22M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
1.22M
    int extra;
34
35
1.22M
    if (capacity <= 0) {
36
323k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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323k
        (void) min;
38
323k
        return(1);
39
#else
40
        return(min);
41
#endif
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323k
    }
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44
899k
    if ((capacity >= max) ||
45
899k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
899k
    extra = (capacity + 1) / 2;
50
51
899k
    if (capacity > max - extra)
52
2
        return(max);
53
54
899k
    return(capacity + extra);
55
899k
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
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Source
32
284k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
284k
    int extra;
34
35
284k
    if (capacity <= 0) {
36
28.3k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
28.3k
        (void) min;
38
28.3k
        return(1);
39
#else
40
        return(min);
41
#endif
42
28.3k
    }
43
44
256k
    if ((capacity >= max) ||
45
255k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
239
        return(-1);
47
48
    /* Grow by 50% */
49
255k
    extra = (capacity + 1) / 2;
50
51
255k
    if (capacity > max - extra)
52
422
        return(max);
53
54
255k
    return(capacity + extra);
55
255k
}
Unexecuted instantiation: pattern.c:xmlGrowCapacity
56
57
XML_HIDDEN void *
58
xmlGrowArray(void *array, size_t elemSize, int *capacity, int min, int max);
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60
#endif /* XML_MEMORY_H_PRIVATE__ */