PID: 6690   TASK: ffff8add45790000  CPU: 0   COMMAND: "ll_ost00_002"
 #0 [ffff9dba01aef698] machine_kexec at ffffffffadc850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9dba01aef6f0] __crash_kexec at ffffffffade3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9dba01aef7b0] crash_kexec at ffffffffade3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9dba01aef7c8] oops_end at ffffffffadc37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9dba01aef7e8] no_context.cold.27 at ffffffffadca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9dba01aef840] __bad_area_nosemaphore at ffffffffadca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9dba01aef888] bad_area_nosemaphore at ffffffffadca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9dba01aef890] do_user_addr_fault at ffffffffadca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9dba01aef8e0] __do_page_fault at ffffffffadca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9dba01aef900] do_page_fault at ffffffffadca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9dba01aef930] page_fault at ffffffffaec00f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_destroy+16]
    RIP: ffffffffc09534c0  RSP: ffff9dba01aef9e0  RFLAGS: 00010206
    RAX: 0000000000000000  RBX: ffff8adc451b0000  RCX: 0000000000000020
    RDX: 0000000000000001  RSI: ffff8adc451b0000  RDI: ffff8add7c711d80
    RBP: 0000000000000000   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8add467ce2e0  R11: 0000000000000001  R12: ffff8add75430000
    R13: ffff8add467ce308  R14: 0000000000000000  R15: ffff8add7fd78950
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9dba01aefa08] dbuf_destroy at ffffffffc0970c06 [zfs]
#12 [ffff9dba01aefa40] dbuf_undirty at ffffffffc0975de1 [zfs]
#13 [ffff9dba01aefa80] dbuf_free_range at ffffffffc097662d [zfs]
#14 [ffff9dba01aefaf8] dnode_free_range at ffffffffc09ba3db [zfs]
#15 [ffff9dba01aefb70] dmu_object_free at ffffffffc09901db [zfs]
#16 [ffff9dba01aefb98] osd_destroy at ffffffffc20370e7 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_object.c: 848
#17 [ffff9dba01aefc08] dt_destroy at ffffffffc13655b0 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/dt_object.c: 381
#18 [ffff9dba01aefc30] ofd_destroy at ffffffffc24d903e [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_objects.c: 1141
#19 [ffff9dba01aefc68] ofd_destroy_by_fid at ffffffffc24ce13b [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_obd.c: 947
#20 [ffff9dba01aefd08] ofd_destroy_hdl at ffffffffc24bdc0a [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_dev.c: 1882
#21 [ffff9dba01aefd78] tgt_handle_request0 at ffffffffc1849cf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#22 [ffff9dba01aefda8] tgt_request_handle at ffffffffc184b995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#23 [ffff9dba01aefe28] ptlrpc_server_handle_request at ffffffffc17439d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#24 [ffff9dba01aefe90] ptlrpc_main at ffffffffc1746bf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#25 [ffff9dba01aeff10] kthread at ffffffffadd57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#26 [ffff9dba01aeff50] ret_from_fork at ffffffffaec001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330