Newly introduced findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-401): [#def1]
util-linux-2.42.start/disk-utils/cfdisk.c:2025:25: warning[-Wanalyzer-malloc-leak]: leak of ‘xcalloc(fdisk_label_get_nparttypes(fdisk_get_label(*cf.cxt, 0)) + 1, 32) + i * 32’
# 2023|   		cm[i].userdata = (void *) x;
# 2024|   		if (codetypes)
# 2025|-> 			xasprintf(&name, "%2x %s",
# 2026|   				fdisk_parttype_get_code(x),
# 2027|   				_(fdisk_parttype_get_name(x)));

Error: GCC_ANALYZER_WARNING (CWE-401): [#def2]
util-linux-2.42.start/login-utils/last.c:48: 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 ‘xmalloc(8) + nfiles * 8’
util-linux-2.42.start/include/optutils.h:8: included_from: Included from here.
util-linux-2.42.start/login-utils/last.c:46: 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): [#def3]
util-linux-2.42.start/login-utils/chfn.c: scope_hint: In function ‘parse_passwd’
util-linux-2.42.start/login-utils/chfn.c:221:1: warning[-Wanalyzer-malloc-leak]: leak of ‘gecos’
util-linux-2.42.start/login-utils/chfn.c:45: included_from: Included from here.
util-linux-2.42.start/include/c.h:23: included_from: Included from here.
util-linux-2.42.start/login-utils/chfn.c:36: included_from: Included from here.
#  219|   	 *  not be changed by this version of chfn.  */
#  220|   	gecos_fields[GECOS_OTHER].current = strsep(&gecos, ",");
#  221|-> }
#  222|   
#  223|   /*

Error: GCC_ANALYZER_WARNING (CWE-401): [#def4]
util-linux-2.42.start/lsfd-cmd/lsfd.c: scope_hint: In function ‘new_filter’
util-linux-2.42.start/lsfd-cmd/lsfd.c:2394:28: warning[-Wanalyzer-malloc-leak]: leak of ‘xcalloc(ct + 1, 8) + i * 8’
util-linux-2.42.start/lsfd-cmd/lsfd.c:2414:9: note: in expansion of macro ‘list_for_each’
# 2392|   	struct libscols_counter *ct;
# 2393|   
# 2394|-> 	f = new_filter(spec->expr, false, ctl);
# 2395|   
# 2396|   	ct = scols_filter_new_counter(f);

Error: GCC_ANALYZER_WARNING (CWE-476): [#def5]
util-linux-2.42.start/misc-utils/cal.c: scope_hint: In function ‘monthly’
util-linux-2.42.start/misc-utils/cal.c:1099:28: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘xcalloc((long unsigned int)*ctl.months_in_row, 208) + (sizetype)i * 208’
util-linux-2.42.start/misc-utils/cal.c:79: included_from: Included from here.
# 1097|   
# 1098|   	for (i = 0; i < ctl->months_in_row - 1; i++)
# 1099|-> 		ms[i].next = &ms[i + 1];
# 1100|   
# 1101|   	rows = (ctl->num_months - 1) / ctl->months_in_row;

Error: GCC_ANALYZER_WARNING (CWE-476): [#def6]
util-linux-2.42.start/misc-utils/logger.c:1050:34: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘xmalloc(*ctl.max_message_size + 4)’
# 1048|   
# 1049|   		while (c != EOF && c != '\n' && i < ctl->max_message_size) {
# 1050|-> 			buf[i++] = c;
# 1051|   			c = getchar();
# 1052|   		}

Error: GCC_ANALYZER_WARNING (CWE-476): [#def7]
util-linux-2.42.start/misc-utils/logger.c:1053:24: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘xmalloc(*ctl.max_message_size + 4)’
# 1051|   			c = getchar();
# 1052|   		}
# 1053|-> 		buf[i] = '\0';
# 1054|   
# 1055|   		if (i > 0 || !ctl->skip_empty_lines) {

Error: GCC_ANALYZER_WARNING (CWE-476): [#def8]
util-linux-2.42.start/misc-utils/waitpid.c: scope_hint: In function ‘parse_pids’
util-linux-2.42.start/misc-utils/waitpid.c:53:25: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘xcalloc(n_strings, 4)’
util-linux-2.42.start/include/strutils.h:55:64: note: in definition of macro ‘strtopid_or_err’
util-linux-2.42.start/misc-utils/waitpid.c:53:55: note: in expansion of macro ‘_’
#   51|   
#   52|   	for (size_t i = 0; i < n_strings; i++)
#   53|-> 		pids[i] = strtopid_or_err(strings[i], _("invalid PID argument"));
#   54|   
#   55|   	return pids;

Scan Properties

analyzer-version-clippy1.92.0
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-clippy1.92.0
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-172-16-1-163.us-west-2.compute.internal
diffbase-known-false-positives/usr/share/csmock/known-false-positives.js
diffbase-known-false-positives-rpmknown-false-positives-0.0.0.20260115.191212.ge69ffd8.main-1.el9.noarch
diffbase-mock-configfedora-rawhide-x86_64
diffbase-project-nameutil-linux-2.42.start-7.20260114150421569532.master.1196.g9808d0c9b
diffbase-store-results-to/tmp/tmpd9rcj9p7/util-linux-2.42.start-7.20260114150421569532.master.1196.g9808d0c9b.tar.xz
diffbase-time-created2026-01-16 03:36:32
diffbase-time-finished2026-01-16 03:54:34
diffbase-toolcsmock
diffbase-tool-args'/usr/bin/csmock' '-r' 'fedora-rawhide-x86_64' '-t' 'gcc,cppcheck,clippy,shellcheck,unicontrol' '-o' '/tmp/tmpd9rcj9p7/util-linux-2.42.start-7.20260114150421569532.master.1196.g9808d0c9b.tar.xz' '--gcc-analyze' '--unicontrol-notests' '--unicontrol-bidi-only' '--install' 'pam' '/tmp/tmpd9rcj9p7/util-linux-2.42.start-7.20260114150421569532.master.1196.g9808d0c9b.src.rpm'
diffbase-tool-versioncsmock-3.8.3.20251215.161544.g62de9a5-1.el9
enabled-pluginsclippy, cppcheck, gcc, shellcheck, unicontrol
exit-code0
hostip-172-16-1-163.us-west-2.compute.internal
known-false-positives/usr/share/csmock/known-false-positives.js
known-false-positives-rpmknown-false-positives-0.0.0.20260115.191212.ge69ffd8.main-1.el9.noarch
mock-configfedora-rawhide-x86_64
project-nameutil-linux-2.42.start-7.20260116032301213334.pr3968.1211.g5fa1cb912
store-results-to/tmp/tmppjwoz_i5/util-linux-2.42.start-7.20260116032301213334.pr3968.1211.g5fa1cb912.tar.xz
time-created2026-01-16 03:55:05
time-finished2026-01-16 04:13:14
titleNewly introduced findings
toolcsmock
tool-args'/usr/bin/csmock' '-r' 'fedora-rawhide-x86_64' '-t' 'gcc,cppcheck,clippy,shellcheck,unicontrol' '-o' '/tmp/tmppjwoz_i5/util-linux-2.42.start-7.20260116032301213334.pr3968.1211.g5fa1cb912.tar.xz' '--gcc-analyze' '--unicontrol-notests' '--unicontrol-bidi-only' '--install' 'pam' '/tmp/tmppjwoz_i5/util-linux-2.42.start-7.20260116032301213334.pr3968.1211.g5fa1cb912.src.rpm'
tool-versioncsmock-3.8.3.20251215.161544.g62de9a5-1.el9