irq:irqbalance01 in ubuntu_ltp failed with "realloc(): invalid next size" on F-s390x

[Po-Hsu Lin]

Issue spotted on Focal 5.4.0-92.103 s390x instances s2lp4

This is a new test added recently (bug 1955398), not a regression.

Test error out with:
  irqbalance01.c:129: TINFO: Found 8 CPUS, 35 IRQs
  realloc(): invalid next size
  tst_test.c:1475: TBROK: Test killed by SIGIOT/SIGABRT!

Test log:
INFO: Test start time: Mon 20 Dec 2021 02:18:44 PM EST
COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 552081 -n 552081 -f /tmp/ltp-bmYT9ChEyo/alltests -l /dev/null -C /dev/null -T /dev/null
LOG File: /dev/null
FAILED COMMAND File: /dev/null
TCONF COMMAND File: /dev/null
Running tests.......
tst_test.c:1423: TINFO: Timeout per run is 0h 05m 00s
irqbalance01.c:129: TINFO: Found 8 CPUS, 35 IRQs
  IRQ CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7
    0: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    0: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    0: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    3: 3+ 6+ 47+ 5+ 11+ 3+ 62+ 150+
    4: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    5: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    6: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    7: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    8: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
    9: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   10: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   11: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   12: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   13: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   14: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   15: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   16: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   17: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   18: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   19: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   20: 149+ 3+ 38+ 2+ 14+ 12+ 63+ 6+
   21: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   22: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   23: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   24: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   25: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   26: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   27: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   28: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   29: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   30: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   31: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   32: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   33: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
   34: 0+ 0+ 0+ 0+ 0+ 0+ 0+ 0+
Total: 152 9 85 7 25 15 125 156
irqbalance01.c:129: TINFO: Found 8 CPUS, 35 IRQs
realloc(): invalid next size
tst_test.c:1475: TBROK: Test killed by SIGIOT/SIGABRT!

Summary:
passed 0
failed 0
broken 1
skipped 0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20210927
INFO: Test end time: Mon 20 Dec 2021 02:18:46 PM EST