PID: 6709   TASK: ffff982ebd1ba7c0  CPU: 0   COMMAND: "ll_ost_io00_001"
 #0 [ffffa781c227b688] machine_kexec at ffffffff8ca850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa781c227b6e0] __crash_kexec at ffffffff8cc3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa781c227b7a0] crash_kexec at ffffffff8cc3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa781c227b7b8] oops_end at ffffffff8ca37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa781c227b7d8] no_context.cold.27 at ffffffff8caa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa781c227b830] __bad_area_nosemaphore at ffffffff8caa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa781c227b878] bad_area_nosemaphore at ffffffff8caa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa781c227b880] do_user_addr_fault at ffffffff8caa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa781c227b8d0] __do_page_fault at ffffffff8caa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa781c227b8f0] do_page_fault at ffffffff8caa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa781c227b920] page_fault at ffffffff8da00f8e
    /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: ffffffffc0605e20  RSP: ffffa781c227b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff982d8fed3ab8  RCX: 0000000000000001
    RDX: ffff982e89591800  RSI: 00000000b0000202  RDI: ffff982ebe055ae0
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff982e8b58c540  R11: ffff982e976ffd90  R12: ffff982eb6150000
    R13: ffff982ebe2e0000  R14: ffff982eb6150000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa781c227b9d0] osd_bufs_put at ffffffffc1cfdd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa781c227ba18] ofd_release_chunk_lnb at ffffffffc21b5652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa781c227ba40] ofd_commitrw_write at ffffffffc21a2018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa781c227bae0] ofd_commitrw at ffffffffc21a957c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa781c227bbb8] tgt_brw_write at ffffffffc150e56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa781c227bd78] tgt_handle_request0 at ffffffffc1506d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa781c227bda8] tgt_request_handle at ffffffffc15089b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa781c227be28] ptlrpc_server_handle_request at ffffffffc14009e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa781c227be90] ptlrpc_main at ffffffffc1403c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa781c227bf10] kthread at ffffffff8cb57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa781c227bf50] ret_from_fork at ffffffff8da001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330