RHEL8.6: panic/oops on nlmsvc_mark_host

Issue

• System panics with the following stack:

PID: 999    TASK: ffff942ab0064000  CPU: 9   COMMAND: "lockd"
 #0 [ffffb5de0117f618] machine_kexec at ffffffff98067cfe
 #1 [ffffb5de0117f670] __crash_kexec at ffffffff981ad94d
 #2 [ffffb5de0117f738] crash_kexec at ffffffff981ae881
 #3 [ffffb5de0117f750] oops_end at ffffffff980274f1
 #4 [ffffb5de0117f770] no_context at ffffffff98079a03
 #5 [ffffb5de0117f7c8] __bad_area_nosemaphore at ffffffff98079d64
 #6 [ffffb5de0117f810] do_page_fault at ffffffff9807a617
 #7 [ffffb5de0117f840] page_fault at ffffffff98a0111e
    [exception RIP: nlmsvc_mark_host+17]
    RIP: ffffffffc056c521  RSP: ffffb5de0117f8f0  RFLAGS: 00010286
    RAX: ffffffff99d2f8c0  RBX: ffff942af9a47bd8  RCX: ffff9453eb973018
    RDX: 0000000000000001  RSI: ffffb5de0117fa50  RDI: 0000000000000000
    RBP: ffff94445e71dbb0   R8: 0000000000000030   R9: fffffffffffffffe
    R10: ffff9430e19a883e  R11: 0000000000000001  R12: ffff94445e71db98
    R13: ffffb5de0117fa50  R14: ffffffffc056c510  R15: ffff9448ec9ab300
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #8 [ffffb5de0117f8f0] nlm_traverse_locks at ffffffffc056c6f9 [lockd]
 #9 [ffffb5de0117fa08] nlm_traverse_files at ffffffffc056c848 [lockd]
#10 [ffffb5de0117fa48] nlmsvc_mark_resources at ffffffffc056cd41 [lockd]
#11 [ffffb5de0117fcd0] nlm_gc_hosts at ffffffffc05686a6 [lockd]
#12 [ffffb5de0117fd00] nlmsvc_lookup_host at ffffffffc0568df8 [lockd]
#13 [ffffb5de0117fda0] nlm4svc_retrieve_args at ffffffffc056f310 [lockd]
#14 [ffffb5de0117fde8] __nlm4svc_proc_lock at ffffffffc056fcf1 [lockd]
#15 [ffffb5de0117fe28] svc_process_common at ffffffffc0177d48 [sunrpc]
#16 [ffffb5de0117fe90] svc_process at ffffffffc0177ea7 [sunrpc]
#17 [ffffb5de0117fea8] lockd at ffffffffc056945e [lockd]
#18 [ffffb5de0117ff10] kthread at ffffffff9811798a
#19 [ffffb5de0117ff50] ret_from_fork at ffffffff98a0023f