PID: 8075   TASK: ffff9ff1ad76a7c0  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffba3143c23688] machine_kexec at ffffffff876850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffba3143c236e0] __crash_kexec at ffffffff8783e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffba3143c237a0] crash_kexec at ffffffff8783fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffba3143c237b8] oops_end at ffffffff87637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffba3143c237d8] no_context.cold.27 at ffffffff876a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffba3143c23830] __bad_area_nosemaphore at ffffffff876a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffba3143c23878] bad_area_nosemaphore at ffffffff876a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffba3143c23880] do_user_addr_fault at ffffffff876a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffba3143c238d0] __do_page_fault at ffffffff876a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffba3143c238f0] do_page_fault at ffffffff876a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffba3143c23920] page_fault at ffffffff88600f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_size+32]
    RIP: ffffffffc0874e20  RSP: ffffba3143c239d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9ff1be7f88e8  RCX: 0000000000000006
    RDX: ffff9ff187c02200  RSI: 00000000b0000202  RDI: ffff9ff0860357a0
    RBP: 0000000000000006   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9ff1b9fc7cc0  R11: ffff9ff1af0ecf00  R12: ffff9ff1b677e800
    R13: ffff9ff1af680000  R14: ffff9ff1b677e800  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffba3143c239d0] osd_bufs_put at ffffffffc1f6dd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffba3143c23a18] ofd_release_chunk_lnb at ffffffffc2423652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffba3143c23a40] ofd_commitrw_write at ffffffffc2410018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffba3143c23ae0] ofd_commitrw at ffffffffc241757c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffba3143c23bb8] tgt_brw_write at ffffffffc17b554c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffba3143c23d78] tgt_handle_request0 at ffffffffc17adcf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffba3143c23da8] tgt_request_handle at ffffffffc17af995 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffba3143c23e28] ptlrpc_server_handle_request at ffffffffc16a79d3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffba3143c23e90] ptlrpc_main at ffffffffc16aabf8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffba3143c23f10] kthread at ffffffff87757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffba3143c23f50] ret_from_fork at ffffffff886001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330