PID: 13839  TASK: ffff97e3c2ea0000  CPU: 1   COMMAND: "ll_ost_io00_005"
 #0 [ffffbdb9045af688] machine_kexec at ffffffffba4850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffbdb9045af6e0] __crash_kexec at ffffffffba63e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffbdb9045af7a0] crash_kexec at ffffffffba63fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffbdb9045af7b8] oops_end at ffffffffba437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffbdb9045af7d8] no_context.cold.27 at ffffffffba4a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffbdb9045af830] __bad_area_nosemaphore at ffffffffba4a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffbdb9045af878] bad_area_nosemaphore at ffffffffba4a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffbdb9045af880] do_user_addr_fault at ffffffffba4a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffbdb9045af8d0] __do_page_fault at ffffffffba4a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffbdb9045af8f0] do_page_fault at ffffffffba4a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffbdb9045af920] page_fault at ffffffffbb400f8e
    /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: ffffffffc0876e20  RSP: ffffbdb9045af9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff97e3c56b61c8  RCX: 0000000000000001
    RDX: ffff97e4d2148400  RSI: 00000000b0000202  RDI: ffff97e4ff696240
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff97e3c2e79900  R11: ffff97e3c14037b8  R12: ffff97e4c30f8000
    R13: ffff97e4ee020000  R14: ffff97e4c30f8000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffbdb9045af9d0] osd_bufs_put at ffffffffc1f6cd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffbdb9045afa18] ofd_release_chunk_lnb at ffffffffc2422652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffbdb9045afa40] ofd_commitrw_write at ffffffffc240f018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffbdb9045afae0] ofd_commitrw at ffffffffc241657c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffbdb9045afbb8] tgt_brw_write at ffffffffc177f55c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffbdb9045afd78] tgt_handle_request0 at ffffffffc1777d07 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffbdb9045afda8] tgt_request_handle at ffffffffc17799a5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffbdb9045afe28] ptlrpc_server_handle_request at ffffffffc16719e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffbdb9045afe90] ptlrpc_main at ffffffffc1674c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffbdb9045aff10] kthread at ffffffffba557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffbdb9045aff50] ret_from_fork at ffffffffbb4001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330