All UN processes are stuck during scanfile() function accessing [airlockdriver] driver.

Solution In Progress - Updated -

Issue

  • Vmcore shows all tasks are stuck in "scanfile at ffffffffxxxxxyyy [airlockdriver]".
  • All the UN processes are stuck during scanfile() function and then in schedule_timeout().
 #2 [ffff8c95d86ebcb8] schedule_timeout at ffffffffbadb5778
 #3 [ffff8c95d86ebd60] scanfile at ffffffffc02c449a [airlockdriver]
 #4 [ffff8c95d86ebe38] airlock_bprm_check_security at ffffffffc02c4a91 [airlockdriver]

Environment

  • Red Hat Enterprise Linux 7.9
    • 3.10.0-1160.81.1.el7.x86_64

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