Coverage Report

Created: 2026-01-19 06:48

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)
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#endif
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13
3.17M
#define XML_MAX_ITEMS 1000000000 /* 1 billion */
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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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3.75M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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3.75M
    int extra;
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35
3.75M
    if (capacity <= 0) {
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1.48M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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1.48M
        (void) min;
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1.48M
        return(1);
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#else
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        return(min);
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#endif
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1.48M
    }
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44
2.26M
    if ((capacity >= max) ||
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2.26M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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113
        return(-1);
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48
    /* Grow by 50% */
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2.26M
    extra = (capacity + 1) / 2;
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51
2.26M
    if (capacity > max - extra)
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236
        return(max);
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54
2.26M
    return(capacity + extra);
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2.26M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
Unexecuted instantiation: tree.c:xmlGrowCapacity
uri.c:xmlGrowCapacity
Line
Count
Source
32
9.48k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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9.48k
    int extra;
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35
9.48k
    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
9.48k
    if ((capacity >= max) ||
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9.47k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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18
        return(-1);
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48
    /* Grow by 50% */
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9.47k
    extra = (capacity + 1) / 2;
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51
9.47k
    if (capacity > max - extra)
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32
        return(max);
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54
9.43k
    return(capacity + extra);
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9.47k
}
valid.c:xmlGrowCapacity
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Count
Source
32
8.41k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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8.41k
    int extra;
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35
8.41k
    if (capacity <= 0) {
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3.04k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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3.04k
        (void) min;
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3.04k
        return(1);
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#else
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        return(min);
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#endif
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3.04k
    }
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44
5.36k
    if ((capacity >= max) ||
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5.36k
        ((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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5.36k
    extra = (capacity + 1) / 2;
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51
5.36k
    if (capacity > max - extra)
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0
        return(max);
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54
5.36k
    return(capacity + extra);
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5.36k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
515
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
515
    int extra;
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35
515
    if (capacity <= 0) {
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228
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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228
        (void) min;
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228
        return(1);
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#else
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        return(min);
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#endif
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228
    }
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44
287
    if ((capacity >= max) ||
45
287
        ((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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287
    extra = (capacity + 1) / 2;
50
51
287
    if (capacity > max - extra)
52
0
        return(max);
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54
287
    return(capacity + extra);
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287
}
xmlregexp.c:xmlGrowCapacity
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32
2.28M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.28M
    int extra;
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35
2.28M
    if (capacity <= 0) {
36
1.13M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.13M
        (void) min;
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1.13M
        return(1);
39
#else
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        return(min);
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#endif
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1.13M
    }
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44
1.14M
    if ((capacity >= max) ||
45
1.14M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
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1.14M
    extra = (capacity + 1) / 2;
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51
1.14M
    if (capacity > max - extra)
52
0
        return(max);
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54
1.14M
    return(capacity + extra);
55
1.14M
}
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
xinclude.c:xmlGrowCapacity
Line
Count
Source
32
18.2k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
18.2k
    int extra;
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35
18.2k
    if (capacity <= 0) {
36
16.4k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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16.4k
        (void) min;
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16.4k
        return(1);
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#else
40
        return(min);
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#endif
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16.4k
    }
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44
1.79k
    if ((capacity >= max) ||
45
1.79k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
1.79k
    extra = (capacity + 1) / 2;
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51
1.79k
    if (capacity > max - extra)
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0
        return(max);
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54
1.79k
    return(capacity + extra);
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1.79k
}
xpath.c:xmlGrowCapacity
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Source
32
1.16M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.16M
    int extra;
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35
1.16M
    if (capacity <= 0) {
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300k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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300k
        (void) min;
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300k
        return(1);
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#else
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        return(min);
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#endif
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300k
    }
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44
865k
    if ((capacity >= max) ||
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865k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
865k
    extra = (capacity + 1) / 2;
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51
865k
    if (capacity > max - extra)
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1
        return(max);
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54
865k
    return(capacity + extra);
55
865k
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
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Source
32
270k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
270k
    int extra;
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35
270k
    if (capacity <= 0) {
36
30.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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30.0k
        (void) min;
38
30.0k
        return(1);
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#else
40
        return(min);
41
#endif
42
30.0k
    }
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44
240k
    if ((capacity >= max) ||
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240k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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95
        return(-1);
47
48
    /* Grow by 50% */
49
240k
    extra = (capacity + 1) / 2;
50
51
240k
    if (capacity > max - extra)
52
203
        return(max);
53
54
240k
    return(capacity + extra);
55
240k
}
Unexecuted instantiation: pattern.c:xmlGrowCapacity
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57
#endif /* XML_MEMORY_H_PRIVATE__ */