Coverage Report

Created: 2026-09-14 06:09

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxml2/include/private/memory.h
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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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4.59M
#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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4.32M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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4.32M
    int extra;
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35
4.32M
    if (capacity <= 0) {
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3.50M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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3.50M
        (void) min;
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3.50M
        return(1);
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#else
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        return(min);
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#endif
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3.50M
    }
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44
820k
    if ((capacity >= max) ||
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819k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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979
        return(-1);
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48
    /* Grow by 50% */
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819k
    extra = (capacity + 1) / 2;
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51
819k
    if (capacity > max - extra)
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2.01k
        return(max);
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54
817k
    return(capacity + extra);
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819k
}
parser.c:xmlGrowCapacity
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Source
32
403k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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403k
    int extra;
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35
403k
    if (capacity <= 0) {
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25.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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25.0k
        (void) min;
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25.0k
        return(1);
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#else
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        return(min);
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#endif
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25.0k
    }
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378k
    if ((capacity >= max) ||
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377k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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979
        return(-1);
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48
    /* Grow by 50% */
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377k
    extra = (capacity + 1) / 2;
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377k
    if (capacity > max - extra)
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2.00k
        return(max);
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54
375k
    return(capacity + extra);
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377k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
Unexecuted instantiation: tree.c:xmlGrowCapacity
uri.c:xmlGrowCapacity
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Count
Source
32
3.32k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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3.32k
    int extra;
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35
3.32k
    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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3.32k
    if ((capacity >= max) ||
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3.32k
        ((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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3.32k
    extra = (capacity + 1) / 2;
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51
3.32k
    if (capacity > max - extra)
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10
        return(max);
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54
3.31k
    return(capacity + extra);
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3.32k
}
valid.c:xmlGrowCapacity
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Source
32
1.25k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.25k
    int extra;
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35
1.25k
    if (capacity <= 0) {
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794
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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794
        (void) min;
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794
        return(1);
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#else
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        return(min);
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#endif
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794
    }
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44
460
    if ((capacity >= max) ||
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460
        ((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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460
    extra = (capacity + 1) / 2;
50
51
460
    if (capacity > max - extra)
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0
        return(max);
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54
460
    return(capacity + extra);
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460
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlregexp.c:xmlGrowCapacity
Line
Count
Source
32
3.91M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
3.91M
    int extra;
34
35
3.91M
    if (capacity <= 0) {
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3.47M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
3.47M
        (void) min;
38
3.47M
        return(1);
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#else
40
        return(min);
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#endif
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3.47M
    }
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44
437k
    if ((capacity >= max) ||
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437k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
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437k
    extra = (capacity + 1) / 2;
50
51
437k
    if (capacity > max - extra)
52
0
        return(max);
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54
437k
    return(capacity + extra);
55
437k
}
Unexecuted instantiation: relaxng.c:xmlGrowCapacity
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
Unexecuted instantiation: xpath.c:xmlGrowCapacity
Unexecuted instantiation: encoding.c:xmlGrowCapacity
Unexecuted instantiation: pattern.c:xmlGrowCapacity
Unexecuted instantiation: xmlreader.c:xmlGrowCapacity
Unexecuted instantiation: xinclude.c:xmlGrowCapacity
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XML_HIDDEN void *
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xmlGrowArray(void *array, size_t elemSize, int *capacity, int min, int max);
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#endif /* XML_MEMORY_H_PRIVATE__ */