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https://gitlab.com/procps-ng/procps.git
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f5f843e257
* ps/parser.c:parse_list(): Regression (2c933ecb): node->u is uninitialized at free(node->u) when reached before node->u=xcalloc(). * ps/parser.c:parse_list(): When "arg" is very long, CVE-2023-4016 is triggered.2c933ecbhandles the multiplication issue, but there is still the possibility of int overflow when incrementing "items".
61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/*
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* This header was copied from util-linux at fall 2011.
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*/
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/*
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* General memory allocation wrappers for malloc, realloc, calloc
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* and strdup.
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*/
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#ifndef PROCPS_NG_XALLOC_H
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#define PROCPS_NG_XALLOC_H
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#include <stdlib.h>
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#include <string.h>
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#include "c.h"
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#ifndef XALLOC_EXIT_CODE
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# define XALLOC_EXIT_CODE EXIT_FAILURE
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#endif
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static inline __ul_alloc_size(1)
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void *xmalloc(const size_t size)
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{
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void *ret = malloc(size);
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if (!ret && size)
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xerrx(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
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return ret;
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}
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static inline __ul_alloc_size(2)
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void *xrealloc(void *ptr, const size_t size)
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{
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void *ret = realloc(ptr, size);
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if (!ret && size)
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xerrx(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
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return ret;
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}
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static inline __ul_calloc_size(1, 2)
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void *xcalloc(const size_t nelems, const size_t size)
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{
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void *ret = calloc(nelems, size);
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if (!ret && size && nelems)
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xerrx(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", nelems*size);
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return ret;
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}
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static inline char *xstrdup(const char *str)
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{
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char *ret;
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if (!str)
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return NULL;
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ret = strdup(str);
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if (!ret)
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xerrx(XALLOC_EXIT_CODE, "cannot duplicate string");
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return ret;
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}
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#endif /* PROCPS_NG_XALLOC_H */
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