Google Chrome: 60.0.3112.10 (Official Build) dev (64-bit)
Platform: 9592.5.0 (Official Build) dev-channel rikku

What steps will reproduce the problem?
(1) Sign in 
(2) Run "sudo suspend_stress_test -c 70 --wake_min 90 --wake_max 1800 --suspend_min 900 --suspend_max 1800" 
(3) 

What is the expected result?
no crash 

What happens instead?
cbmem crashes 

output:
hronos@localhost / $ sudo suspend_stress_test -c 70 --wake_min 90 --wake_max 1800 --suspend_min 900 --suspend_max 1800
Running 70 iterations with:
  suspend: 900-1800 seconds
  wake: 90-1800 seconds
  backup_rtc: false
  errors_fatal: true
  fw_errors_fatal: true
  bugs fatal:  true
  warnings fatal:  false
  crcs fatal:  true
  suspend command: powerd_dbus_suspend --delay=0
  wakeup source to ignore: none
  record_dmesg_dir: 
powerd start/running, process 8354
tlsdated stop/waiting
Suspend     1 of 70: sleep for 1189 seconds...cbmem: cbmem.c:684: void dump_console(int): Assertion `!regcomp(&re, regex[i], 0)' failed.
Aborted (core dumped)

Settings:
- it has 2 monitors connected, with many usb peripherals like usb mouse/keyboard/webcam/usb stick/headphone
- it sets to run over weekend


crash id e.g.: 
9297a22e40000000
2e221caef0000000
client id: 
ee462eebe2cf4350a536cc59c5cff8cd