Coverage Report

Created: 2026-05-11 07:04

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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3.43M
#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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2.54M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.54M
    int extra;
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2.54M
    if (capacity <= 0) {
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1.72M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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1.72M
        (void) min;
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1.72M
        return(1);
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#else
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        return(min);
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#endif
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1.72M
    }
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825k
    if ((capacity >= max) ||
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824k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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728
        return(-1);
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    /* Grow by 50% */
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824k
    extra = (capacity + 1) / 2;
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824k
    if (capacity > max - extra)
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1.60k
        return(max);
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822k
    return(capacity + extra);
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824k
}
parser.c:xmlGrowCapacity
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32
372k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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372k
    int extra;
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372k
    if (capacity <= 0) {
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23.8k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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23.8k
        (void) min;
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23.8k
        return(1);
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#else
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        return(min);
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#endif
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23.8k
    }
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349k
    if ((capacity >= max) ||
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348k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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728
        return(-1);
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    /* Grow by 50% */
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348k
    extra = (capacity + 1) / 2;
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348k
    if (capacity > max - extra)
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1.59k
        return(max);
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346k
    return(capacity + extra);
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348k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
Unexecuted instantiation: tree.c:xmlGrowCapacity
uri.c:xmlGrowCapacity
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Source
32
2.52k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.52k
    int extra;
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2.52k
    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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2.52k
    if ((capacity >= max) ||
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2.52k
        ((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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2.52k
    extra = (capacity + 1) / 2;
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2.52k
    if (capacity > max - extra)
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15
        return(max);
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2.50k
    return(capacity + extra);
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2.52k
}
valid.c:xmlGrowCapacity
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32
1.07k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.07k
    int extra;
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1.07k
    if (capacity <= 0) {
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725
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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725
        (void) min;
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725
        return(1);
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#else
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        return(min);
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#endif
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725
    }
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345
    if ((capacity >= max) ||
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345
        ((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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345
    extra = (capacity + 1) / 2;
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51
345
    if (capacity > max - extra)
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0
        return(max);
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345
    return(capacity + extra);
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345
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlregexp.c:xmlGrowCapacity
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32
2.17M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.17M
    int extra;
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35
2.17M
    if (capacity <= 0) {
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1.69M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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1.69M
        (void) min;
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1.69M
        return(1);
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#else
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        return(min);
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#endif
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1.69M
    }
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473k
    if ((capacity >= max) ||
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473k
        ((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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473k
    extra = (capacity + 1) / 2;
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51
473k
    if (capacity > max - extra)
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0
        return(max);
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473k
    return(capacity + extra);
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473k
}
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__ */