Coverage Report

Created: 2026-06-10 06:22

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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826k
#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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2.25M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.25M
    int extra;
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2.25M
    if (capacity <= 0) {
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526k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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526k
        (void) min;
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526k
        return(1);
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#else
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        return(min);
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#endif
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526k
    }
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1.73M
    if ((capacity >= max) ||
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1.73M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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204
        return(-1);
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48
    /* Grow by 50% */
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1.73M
    extra = (capacity + 1) / 2;
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1.73M
    if (capacity > max - extra)
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431
        return(max);
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1.73M
    return(capacity + extra);
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1.73M
}
parser.c:xmlGrowCapacity
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32
181k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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181k
    int extra;
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181k
    if (capacity <= 0) {
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24.7k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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24.7k
        (void) min;
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24.7k
        return(1);
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#else
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        return(min);
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#endif
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24.7k
    }
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156k
    if ((capacity >= max) ||
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156k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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204
        return(-1);
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48
    /* Grow by 50% */
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156k
    extra = (capacity + 1) / 2;
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156k
    if (capacity > max - extra)
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372
        return(max);
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155k
    return(capacity + extra);
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156k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
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Source
32
319k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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319k
    int extra;
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319k
    if (capacity <= 0) {
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138k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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138k
        (void) min;
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138k
        return(1);
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#else
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        return(min);
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#endif
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138k
    }
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181k
    if ((capacity >= max) ||
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181k
        ((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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181k
    extra = (capacity + 1) / 2;
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51
181k
    if (capacity > max - extra)
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0
        return(max);
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181k
    return(capacity + extra);
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181k
}
uri.c:xmlGrowCapacity
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32
20.3k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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20.3k
    int extra;
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20.3k
    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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20.3k
    if ((capacity >= max) ||
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20.3k
        ((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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20.3k
    extra = (capacity + 1) / 2;
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51
20.3k
    if (capacity > max - extra)
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59
        return(max);
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54
20.2k
    return(capacity + extra);
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20.3k
}
Unexecuted instantiation: valid.c:xmlGrowCapacity
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
Unexecuted instantiation: xmlregexp.c:xmlGrowCapacity
Unexecuted instantiation: relaxng.c:xmlGrowCapacity
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
xinclude.c:xmlGrowCapacity
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Source
32
19.7k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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19.7k
    int extra;
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19.7k
    if (capacity <= 0) {
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11.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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11.0k
        (void) min;
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11.0k
        return(1);
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#else
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        return(min);
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#endif
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11.0k
    }
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8.62k
    if ((capacity >= max) ||
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8.62k
        ((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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8.62k
    extra = (capacity + 1) / 2;
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51
8.62k
    if (capacity > max - extra)
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0
        return(max);
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54
8.62k
    return(capacity + extra);
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8.62k
}
xpath.c:xmlGrowCapacity
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32
1.71M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.71M
    int extra;
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1.71M
    if (capacity <= 0) {
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352k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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352k
        (void) min;
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352k
        return(1);
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#else
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        return(min);
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#endif
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352k
    }
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44
1.36M
    if ((capacity >= max) ||
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1.36M
        ((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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1.36M
    extra = (capacity + 1) / 2;
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1.36M
    if (capacity > max - extra)
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0
        return(max);
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1.36M
    return(capacity + extra);
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1.36M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
Unexecuted instantiation: pattern.c:xmlGrowCapacity
Unexecuted instantiation: xmlreader.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__ */