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
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1
#ifndef XML_MEMORY_H_PRIVATE__
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#define XML_MEMORY_H_PRIVATE__
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#include "../../libxml.h"
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#include <limits.h>
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#include <stddef.h>
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#ifndef SIZE_MAX
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  #define SIZE_MAX ((size_t) -1)
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#endif
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4.16M
#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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3.11M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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3.11M
    int extra;
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3.11M
    if (capacity <= 0) {
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2.22M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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2.22M
        (void) min;
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2.22M
        return(1);
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#else
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        return(min);
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#endif
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2.22M
    }
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896k
    if ((capacity >= max) ||
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895k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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552
        return(-1);
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48
    /* Grow by 50% */
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895k
    extra = (capacity + 1) / 2;
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895k
    if (capacity > max - extra)
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1.29k
        return(max);
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894k
    return(capacity + extra);
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895k
}
parser.c:xmlGrowCapacity
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32
362k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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362k
    int extra;
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362k
    if (capacity <= 0) {
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24.5k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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24.5k
        (void) min;
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24.5k
        return(1);
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#else
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        return(min);
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#endif
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24.5k
    }
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338k
    if ((capacity >= max) ||
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337k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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552
        return(-1);
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48
    /* Grow by 50% */
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337k
    extra = (capacity + 1) / 2;
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337k
    if (capacity > max - extra)
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1.28k
        return(max);
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336k
    return(capacity + extra);
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337k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
Unexecuted instantiation: tree.c:xmlGrowCapacity
uri.c:xmlGrowCapacity
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Source
32
2.22k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.22k
    int extra;
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2.22k
    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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2.22k
    if ((capacity >= max) ||
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2.22k
        ((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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2.22k
    extra = (capacity + 1) / 2;
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51
2.22k
    if (capacity > max - extra)
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13
        return(max);
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54
2.21k
    return(capacity + extra);
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2.22k
}
valid.c:xmlGrowCapacity
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32
1.06k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.06k
    int extra;
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35
1.06k
    if (capacity <= 0) {
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716
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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716
        (void) min;
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716
        return(1);
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#else
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        return(min);
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#endif
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716
    }
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44
353
    if ((capacity >= max) ||
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353
        ((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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353
    extra = (capacity + 1) / 2;
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51
353
    if (capacity > max - extra)
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0
        return(max);
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353
    return(capacity + extra);
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353
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlregexp.c:xmlGrowCapacity
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Source
32
2.75M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.75M
    int extra;
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35
2.75M
    if (capacity <= 0) {
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2.19M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
2.19M
        (void) min;
38
2.19M
        return(1);
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#else
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        return(min);
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#endif
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2.19M
    }
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555k
    if ((capacity >= max) ||
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555k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
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555k
    extra = (capacity + 1) / 2;
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51
555k
    if (capacity > max - extra)
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0
        return(max);
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54
555k
    return(capacity + extra);
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555k
}
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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#endif /* XML_MEMORY_H_PRIVATE__ */