autofs : using 'strictexpire' mount option may crash automount

Solution In Progress - Updated -

Issue

  • automount process crash receiving SIGBUS, SIGSEGV...
Mar 17 12:21:43 hostA systemd[1]: autofs.service: main process exited, code=killed, status=11/SEGV
Mar 17 12:21:43 hostA systemd[1]: Unit autofs.service entered failed state.
Mar 17 12:21:43 hostA systemd[1]: autofs.service failed.

Mar 17 11:47:05 hostA systemd[1]: autofs.service: main process exited, code=killed, status=7/BUS
Mar 17 11:47:05 hostA systemd[1]: Unit autofs.service entered failed state.
Mar 17 11:47:05 hostA systemd[1]: autofs.service failed.

Environment

  • RHEL7
  • autofs
  • strictexpire option set for some maps, issue observed mainly on offset mounts

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