From 7e8b63eca4ac47e0b03fa078892e239b3912d713 Mon Sep 17 00:00:00 2001
From: Sergey Kolosov <skolosov@redhat.com>
Date: Mon, 13 Apr 2026 20:15:05 +0200
Subject: [PATCH] CI Tests: add
 Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when

This test was originally missing during the import from Fedora test
plan.

RPM-Changelog: -
RPM-Skip-Release: yes
---
 .../main.fmf                                  | 18 +++++++
 .../runtest.sh                                | 54 +++++++++++++++++++
 .../tst-mktime.c                              | 24 +++++++++
 3 files changed, 96 insertions(+)
 create mode 100644 tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/main.fmf
 create mode 100755 tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/runtest.sh
 create mode 100644 tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/tst-mktime.c

diff --git a/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/main.fmf b/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/main.fmf
new file mode 100644
index 0000000..b4a5b47
--- /dev/null
+++ b/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/main.fmf
@@ -0,0 +1,18 @@
+summary: Test for BZ#2110357 (glibc mktime() fails with -EOVERFLOW when)
+description: |
+    Bug summary: glibc: mktime() fails with -EOVERFLOW when tm_isdst=1 and a neighboring DST boundary is far from tm_year
+    Bugzilla link: https://bugzilla.redhat.com/show_bug.cgi?id=2110357
+link:
+  - relates: https://bugzilla.redhat.com/show_bug.cgi?id=2110357
+contact: Sergey Kolosov <skolosov@redhat.com>
+component:
+  - glibc
+test: ./runtest.sh
+framework: beakerlib
+recommend:
+  - glibc
+  - glibc-devel
+  - gcc
+duration: 10m
+extra-summary: /tools/glibc/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when
+extra-task: /tools/glibc/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when
diff --git a/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/runtest.sh b/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/runtest.sh
new file mode 100755
index 0000000..77aaf34
--- /dev/null
+++ b/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/runtest.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   runtest.sh of /tools/glibc/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when
+#   Description: Test for BZ#2110357 (glibc mktime() fails with -EOVERFLOW when)
+#   Author: Sergey Kolosov <skolosov@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright (c) 2022 Red Hat, Inc.
+#
+#   This program is free software: you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License as
+#   published by the Free Software Foundation, either version 2 of
+#   the License, or (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be
+#   useful, but WITHOUT ANY WARRANTY; without even the implied
+#   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+#   PURPOSE.  See the GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program. If not, see http://www.gnu.org/licenses/.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+# Include Beaker environment
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+PACKAGE="glibc"
+TESTPROG="tst-mktime"
+
+rlJournalStart
+    rlPhaseStartSetup
+        rlAssertRpm $PACKAGE
+        PACKNVR=$(rpm -q ${PACKAGE}.`arch`)
+        rlRun "TESTTMPDIR=$(mktemp -d)"
+        rlRun "cp ${TESTPROG}.c $TESTTMPDIR"
+        rlRun "pushd $TESTTMPDIR"
+    rlPhaseEnd
+
+    rlPhaseStartTest
+        rlRun -c "gcc ${TESTPROG}.c -o $TESTPROG"
+        rlAssertExists "$TESTPROG"
+        rlRun -c "./${TESTPROG}"
+    rlPhaseEnd
+
+    rlPhaseStartCleanup
+        rlRun "popd"
+        rlRun "rm -r $TESTTMPDIR"
+    rlPhaseEnd
+rlJournalPrintText
+rlJournalEnd
diff --git a/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/tst-mktime.c b/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/tst-mktime.c
new file mode 100644
index 0000000..d73c97d
--- /dev/null
+++ b/tests/Regression/bz2110357-glibc-mktime-fails-with-EOVERFLOW-when/tst-mktime.c
@@ -0,0 +1,24 @@
+#include <time.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+    time_t t;
+    struct tm tm;
+
+    setenv("TZ", "Asia/Tokyo", 1);
+
+    memset(&tm, 0, sizeof(tm));
+    tm.tm_mday = 1;
+    tm.tm_mon = 1;
+    tm.tm_year = 2023;
+    tm.tm_isdst = 1;
+
+    t = mktime(&tm);
+    printf("mktime(&tm) = %d\n", t);
+    if (t < 0)
+        exit(1);
+
+    return 0;
+}