PID: 16550  TASK: ffffa0c6881a27c0  CPU: 0   COMMAND: "ll_ost_io00_013"
 #0 [ffffb62c8435b688] machine_kexec at ffffffffa38850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb62c8435b6e0] __crash_kexec at ffffffffa3a3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb62c8435b7a0] crash_kexec at ffffffffa3a3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb62c8435b7b8] oops_end at ffffffffa3837cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb62c8435b7d8] no_context.cold.27 at ffffffffa38a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb62c8435b830] __bad_area_nosemaphore at ffffffffa38a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb62c8435b878] bad_area_nosemaphore at ffffffffa38a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb62c8435b880] do_user_addr_fault at ffffffffa38a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb62c8435b8d0] __do_page_fault at ffffffffa38a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb62c8435b8f0] do_page_fault at ffffffffa38a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb62c8435b920] page_fault at ffffffffa4800f8e
    /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: ffffffffc069ae20  RSP: ffffb62c8435b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa0c6c1146ab0  RCX: 0000000000000001
    RDX: ffffa0c6afb72200  RSI: 00000000b0000202  RDI: ffffa0c6bfd29a20
    RBP: 0000000000000001   R8: 0000000000000029   R9: 0000000000000014
    R10: ffffa0c68338c300  R11: ffffa0c6aeb66648  R12: ffffa0c684d04000
    R13: ffffa0c6bfcc0000  R14: ffffa0c684d04000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb62c8435b9d0] osd_bufs_put at ffffffffc1d93d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb62c8435ba18] ofd_release_chunk_lnb at ffffffffc2249652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb62c8435ba40] ofd_commitrw_write at ffffffffc2236018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb62c8435bae0] ofd_commitrw at ffffffffc223d57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb62c8435bbb8] tgt_brw_write at ffffffffc15db55c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb62c8435bd78] tgt_handle_request0 at ffffffffc15d3d07 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb62c8435bda8] tgt_request_handle at ffffffffc15d59a5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb62c8435be28] ptlrpc_server_handle_request at ffffffffc14cd9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb62c8435be90] ptlrpc_main at ffffffffc14d0c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb62c8435bf10] kthread at ffffffffa3957041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb62c8435bf50] ret_from_fork at ffffffffa48001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330