PID: 6714   TASK: ffff922d805ca7c0  CPU: 2   COMMAND: "ll_ost_io00_002"
 #0 [ffffa5e342daf688] machine_kexec at ffffffff81e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa5e342daf6e0] __crash_kexec at ffffffff8203e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa5e342daf7a0] crash_kexec at ffffffff8203fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa5e342daf7b8] oops_end at ffffffff81e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa5e342daf7d8] no_context.cold.27 at ffffffff81ea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa5e342daf830] __bad_area_nosemaphore at ffffffff81ea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa5e342daf878] bad_area_nosemaphore at ffffffff81ea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa5e342daf880] do_user_addr_fault at ffffffff81ea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa5e342daf8d0] __do_page_fault at ffffffff81ea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa5e342daf8f0] do_page_fault at ffffffff81ea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa5e342daf920] page_fault at ffffffff82e00f8e
    /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: ffffffffc094de20  RSP: ffffa5e342daf9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff922d80756390  RCX: 0000000000000010
    RDX: ffff922d4616a800  RSI: 00000000b0000202  RDI: ffff922d5f626340
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff922d8073e0c0  R11: ffff922d7fd445b0  R12: ffff922d806c0000
    R13: ffff922d78900000  R14: ffff922d806c0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa5e342daf9d0] osd_bufs_put at ffffffffc2044d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa5e342dafa18] ofd_release_chunk_lnb at ffffffffc24fc652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa5e342dafa40] ofd_commitrw_write at ffffffffc24e9018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa5e342dafae0] ofd_commitrw at ffffffffc24f057c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa5e342dafbb8] tgt_brw_write at ffffffffc185656c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa5e342dafd78] tgt_handle_request0 at ffffffffc184ed17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa5e342dafda8] tgt_request_handle at ffffffffc18509b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa5e342dafe28] ptlrpc_server_handle_request at ffffffffc17489e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa5e342dafe90] ptlrpc_main at ffffffffc174bc08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa5e342daff10] kthread at ffffffff81f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa5e342daff50] ret_from_fork at ffffffff82e001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330