Newly introduced findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-476): [#def1]
util-linux-2.42.start/disk-utils/cfdisk.c: scope_hint: In function ‘ui_create_label’
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/lib/pager.c:24: included_from: Included from here.
util-linux-2.42.start/include/xalloc.h: scope_hint: In function ‘xstrdup’
util-linux-2.42.start/include/xalloc.h:95:17: warning[-Wanalyzer-malloc-leak]: leak of ‘xstrdup(cmd)’
util-linux-2.42.start/include/c.h:23: included_from: Included from here.
util-linux-2.42.start/lib/pager.c:23: included_from: Included from here.
/usr/include/features.h:540: included_from: Included from here.
/usr/include/unistd.h:25: included_from: Included from here.
util-linux-2.42.start/lib/pager.c:13: included_from: Included from here.
#   93|   	ret = strdup(str);
#   94|   	if (!ret)
#   95|-> 		err(XALLOC_EXIT_CODE, "cannot duplicate string");
#   96|   	return ret;
#   97|   }

Error: GCC_ANALYZER_WARNING (CWE-401): [#def5]
util-linux-2.42.start/lib/pager.c:152:26: warning[-Wanalyzer-malloc-leak]: leak of ‘xstrdup(cmd)’
#  150|   
#  151|   	for (s = strtok(p, ":"); s; s = strtok(NULL, ":")) {
#  152|-> 		int fd = open(s, O_RDONLY|O_CLOEXEC);
#  153|   		if (fd < 0)
#  154|   			continue;

Error: GCC_ANALYZER_WARNING (CWE-401): [#def6]
util-linux-2.42.start/lib/pager.c:156:17: warning[-Wanalyzer-malloc-leak]: leak of ‘xstrdup(cmd)’
#  154|   			continue;
#  155|   		rc = faccessat(fd, b, X_OK, 0) == 0;
#  156|-> 		close(fd);
#  157|   		if (rc)
#  158|   			break;

Error: GCC_ANALYZER_WARNING (CWE-401): [#def7]
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(17, 8) + i * 8’
# 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): [#def8]
util-linux-2.42.start/misc-utils/blkid.c: scope_hint: In function ‘main’
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)’
util-linux-2.42.start/misc-utils/blkid.c:18: included_from: Included from here.
#  887|   				continue;
#  888|   
#  889|-> 			devices[numdev++] = dev;
#  890|   		}
#  891|   

Scan Properties

analyzer-version-clippy1.93.0
analyzer-version-cppcheck2.19.1
analyzer-version-gcc16.0.1
analyzer-version-gcc-analyzer16.0.1
analyzer-version-shellcheck0.11.0
analyzer-version-unicontrol0.0.2
diffbase-analyzer-version-clippy1.93.0
diffbase-analyzer-version-cppcheck2.19.1
diffbase-analyzer-version-gcc16.0.1
diffbase-analyzer-version-gcc-analyzer16.0.1
diffbase-analyzer-version-shellcheck0.11.0
diffbase-analyzer-version-unicontrol0.0.2
diffbase-enabled-pluginsclippy, cppcheck, gcc, shellcheck, unicontrol
diffbase-exit-code0
diffbase-hostip-172-16-1-65.us-west-2.compute.internal
diffbase-known-false-positives/usr/share/csmock/known-false-positives.js
diffbase-known-false-positives-rpmknown-false-positives-0.0.0.20260119.105402.g7a5be1b.main-1.el9.noarch
diffbase-mock-configfedora-rawhide-x86_64
diffbase-project-nameutil-linux-2.42.start-7.20260202125708723478.master.1328.gdcdf40efe
diffbase-store-results-to/tmp/tmpj29oruu6/util-linux-2.42.start-7.20260202125708723478.master.1328.gdcdf40efe.tar.xz
diffbase-time-created2026-02-02 21:14:13
diffbase-time-finished2026-02-02 21:31:31
diffbase-toolcsmock
diffbase-tool-args'/usr/bin/csmock' '-r' 'fedora-rawhide-x86_64' '-t' 'cppcheck,unicontrol,shellcheck,gcc,clippy' '-o' '/tmp/tmpj29oruu6/util-linux-2.42.start-7.20260202125708723478.master.1328.gdcdf40efe.tar.xz' '--gcc-analyze' '--unicontrol-notests' '--unicontrol-bidi-only' '--install' 'pam' '/tmp/tmpj29oruu6/util-linux-2.42.start-7.20260202125708723478.master.1328.gdcdf40efe.src.rpm'
diffbase-tool-versioncsmock-3.8.3.20260128.181932.g41af877-1.el9
enabled-pluginsclippy, cppcheck, gcc, shellcheck, unicontrol
exit-code0
hostip-172-16-1-65.us-west-2.compute.internal
known-false-positives/usr/share/csmock/known-false-positives.js
known-false-positives-rpmknown-false-positives-0.0.0.20260119.105402.g7a5be1b.main-1.el9.noarch
mock-configfedora-rawhide-x86_64
project-nameutil-linux-2.42.start-7.20260202202851097051.pr4015.1329.g5aa38c36f
store-results-to/tmp/tmp3g4u0yix/util-linux-2.42.start-7.20260202202851097051.pr4015.1329.g5aa38c36f.tar.xz
time-created2026-02-02 21:31:59
time-finished2026-02-02 21:48:53
titleNewly introduced findings
toolcsmock
tool-args'/usr/bin/csmock' '-r' 'fedora-rawhide-x86_64' '-t' 'cppcheck,unicontrol,shellcheck,gcc,clippy' '-o' '/tmp/tmp3g4u0yix/util-linux-2.42.start-7.20260202202851097051.pr4015.1329.g5aa38c36f.tar.xz' '--gcc-analyze' '--unicontrol-notests' '--unicontrol-bidi-only' '--install' 'pam' '/tmp/tmp3g4u0yix/util-linux-2.42.start-7.20260202202851097051.pr4015.1329.g5aa38c36f.src.rpm'
tool-versioncsmock-3.8.3.20260128.181932.g41af877-1.el9