PID: 82695  TASK: ffff94caa7164f80  CPU: 2   COMMAND: "ll_ost_io00_001"
 #0 [ffffa80a09fd7688] machine_kexec at ffffffff826850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa80a09fd76e0] __crash_kexec at ffffffff8283e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa80a09fd77a0] crash_kexec at ffffffff8283fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa80a09fd77b8] oops_end at ffffffff82637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa80a09fd77d8] no_context.cold.27 at ffffffff826a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa80a09fd7830] __bad_area_nosemaphore at ffffffff826a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa80a09fd7878] bad_area_nosemaphore at ffffffff826a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa80a09fd7880] do_user_addr_fault at ffffffff826a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa80a09fd78d0] __do_page_fault at ffffffff826a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa80a09fd78f0] do_page_fault at ffffffff826a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa80a09fd7920] page_fault at ffffffff83600f8e
    /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: ffffffffc08f6e20  RSP: ffffa80a09fd79d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff94caa05118f0  RCX: 0000000000000006
    RDX: ffff94c98f45d600  RSI: 00000000b0000202  RDI: ffff94cab7a1c080
    RBP: 0000000000000006   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff94cabd3e4300  R11: ffff94ca844b8dd0  R12: ffff94c981fe0000
    R13: ffff94c984fc0000  R14: ffff94c981fe0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa80a09fd79d0] osd_bufs_put at ffffffffc1fe9d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa80a09fd7a18] ofd_release_chunk_lnb at ffffffffc249cca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa80a09fd7a40] ofd_commitrw_write at ffffffffc2489708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa80a09fd7ae0] ofd_commitrw at ffffffffc2490ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa80a09fd7bb8] tgt_brw_write at ffffffffc17fc51c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa80a09fd7d78] tgt_handle_request0 at ffffffffc17f4cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa80a09fd7da8] tgt_request_handle at ffffffffc17f6965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa80a09fd7e28] ptlrpc_server_handle_request at ffffffffc16ee9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa80a09fd7e90] ptlrpc_main at ffffffffc16f1bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa80a09fd7f10] kthread at ffffffff82757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa80a09fd7f50] ret_from_fork at ffffffff836001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330