System hang due to large number of blocked tasks - module CyProtectDrv in context

Issue

• Server hang due to large number of blocked tasks and a reboot was required
• High load average

sys | grep LOAD
LOAD AVERAGE: 4837.11, 4837.12, 4837.09

Oldest task:
crash> bt 15868 
PID: 15868  TASK: ffff881053b6f520  CPU: 20  COMMAND: "awk"
 #0 [ffff880456caf860] schedule at ffffffff81552d9a
 #1 [ffff880456caf948] rwsem_down_failed_common at ffffffff81556065
 #2 [ffff880456caf9a8] rwsem_down_read_failed at ffffffff815561f6
 #3 [ffff880456caf9e8] call_rwsem_down_read_failed at ffffffff812ac864
 #4 [ffff880456cafa50] __do_page_fault at ffffffff810533e4
 #5 [ffff880456cafb70] do_page_fault at ffffffff8155a29e
 #6 [ffff880456cafba0] page_fault at ffffffff81557285
    [exception RIP: strncpy_from_user+91]
    RIP: ffffffff812acd9b  RSP: ffff880456cafc58  RFLAGS: 00010202
    RAX: 0000000000000000  RBX: 000000000000000b  RCX: 000000000000000b
    RDX: 0000000000000000  RSI: 00007ffd86257fe4  RDI: ffff880456cafc98
    RBP: ffff880456cafc78   R8: 000000000000004c   R9: 00000000000000e6
    R10: ffff880456caff58  R11: 0000000000000000  R12: 00007ffd86257fe4
    R13: 000000000000000b  R14: ffff880456cafd20  R15: 0000000000000001
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #7 [ffff880456cafc80] cy_strncpy_from_user at ffffffffa03e5bce [CyProtectDrv]
 #8 [ffff880456cafc90] MemDef_GetDYLD_callback at ffffffffa03e7e46 [CyProtectDrv]
 #9 [ffff880456cafce0] MemDef_ScanStack.clone.0 at ffffffffa03e8861 [CyProtectDrv]
#10 [ffff880456cafd70] MemDef_OnProcInited at ffffffffa03e92b2 [CyProtectDrv]
#11 [ffff880456cafe00] cyl_load_binary at ffffffffa03ead7f [CyProtectDrv]
#12 [ffff880456cafe50] search_binary_handler at ffffffff811a589b
#13 [ffff880456cafec0] do_execve at ffffffff811a6647
#14 [ffff880456caff20] sys_execve at ffffffff810095ea
#15 [ffff880456caff50] stub_execve at ffffffff8155e979
    RIP: 0000003823800b30  RSP: 00007ffd86256620  RFLAGS: 00000200
    RAX: 0000000000000000  RBX: 0000000000000000  RCX: 0000000000000000
    RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000000000000
    RBP: 0000000000000000   R8: 0000000000000000   R9: 0000000000000000
    R10: 0000000000000000  R11: 0000000000000000  R12: 0000000000000000
    R13: 0000000000000000  R14: 0000000000000000  R15: 0000000000000000
    ORIG_RAX: 000000000000003b  CS: 0033  SS: 002b
WARNING: possibly bogus exception frame
crash>