Fixed findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-476): [#def1]
util-linux-2.42.start/disk-utils/cfdisk.c:2182:30: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘xcalloc(fdisk_get_nlabels(*cf.cxt) + 1, 32) + i * 32’
util-linux-2.42.start/disk-utils/cfdisk.c:267:25: note: in expansion of macro ‘__UL_DBG’
util-linux-2.42.start/disk-utils/cfdisk.c:2170:9: note: in expansion of macro ‘DBG’
# 2180|   		    fdisk_label_get_type(lb) == FDISK_DISKLABEL_BSD)
# 2181|   			continue;
# 2182|-> 		cm[i++].name = fdisk_label_get_name(lb);
# 2183|   	}
# 2184|   

Error: GCC_ANALYZER_WARNING (CWE-401): [#def2]
util-linux-2.42.start/disk-utils/cfdisk.c:2182:32: warning[-Wanalyzer-malloc-leak]: leak of ‘xcalloc(fdisk_get_nlabels(*cf.cxt) + 1, 32) + i * 32’
util-linux-2.42.start/disk-utils/cfdisk.c:267:25: note: in expansion of macro ‘__UL_DBG’
util-linux-2.42.start/disk-utils/cfdisk.c:2170:9: note: in expansion of macro ‘DBG’
# 2180|   		    fdisk_label_get_type(lb) == FDISK_DISKLABEL_BSD)
# 2181|   			continue;
# 2182|-> 		cm[i++].name = fdisk_label_get_name(lb);
# 2183|   	}
# 2184|   

Error: GCC_ANALYZER_WARNING (CWE-476): [#def3]
util-linux-2.42.start/disk-utils/fdformat.c:129:49: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘xmalloc(track_size) + count’
#  127|   				}
#  128|   				for (count = 0; count < track_size; count++)
#  129|-> 					if (data[count] != FD_FILL_BYTE) {
#  130|   						if (retries_left) {
#  131|   							format_begin(ctrl);

Error: GCC_ANALYZER_WARNING (CWE-401): [#def4]
util-linux-2.42.start/include/xalloc.h: scope_hint: In function ‘new_filter’
util-linux-2.42.start/include/xalloc.h:68:13: warning[-Wanalyzer-malloc-leak]: leak of ‘xcalloc(17, 8)’
#   66|   	void *ret = calloc(nelems, size);
#   67|   
#   68|-> 	if (!ret && size && nelems)
#   69|   		err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
#   70|   	return ret;

Error: GCC_ANALYZER_WARNING (CWE-401): [#def5]
util-linux-2.42.start/lsfd-cmd/lsfd.c: scope_hint: In function ‘new_filter’
util-linux-2.42.start/lsfd-cmd/lsfd.c:2434:28: warning[-Wanalyzer-malloc-leak]: leak of ‘xcalloc(ct + 1, 8) + i * 8’
util-linux-2.42.start/lsfd-cmd/lsfd.c:50: included_from: Included from here.
util-linux-2.42.start/lsfd-cmd/lsfd.c:2454:9: note: in expansion of macro ‘list_for_each’
# 2432|   	struct libscols_counter *ct;
# 2433|   
# 2434|-> 	f = new_filter(spec->expr, false, ctl);
# 2435|   
# 2436|   	ct = scols_filter_new_counter(f);

Error: GCC_ANALYZER_WARNING (CWE-476): [#def6]
util-linux-2.42.start/misc-utils/blkid.c:889:43: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘xcalloc((long unsigned int)(argc - optind), 8) + (long unsigned int)numdev * 8’
#  887|   				continue;
#  888|   
#  889|-> 			devices[numdev++] = dev;
#  890|   		}
#  891|   

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