PID: 115858  TASK: ffff8c35cbf90000  CPU: 1   COMMAND: "ll_ost_io00_020"
 #0 [ffffb8be83e9f688] machine_kexec at ffffffffb0c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb8be83e9f6e0] __crash_kexec at ffffffffb0e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb8be83e9f7a0] crash_kexec at ffffffffb0e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb8be83e9f7b8] oops_end at ffffffffb0c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb8be83e9f7d8] no_context.cold.27 at ffffffffb0ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb8be83e9f830] __bad_area_nosemaphore at ffffffffb0ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb8be83e9f878] bad_area_nosemaphore at ffffffffb0ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb8be83e9f880] do_user_addr_fault at ffffffffb0ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb8be83e9f8d0] __do_page_fault at ffffffffb0ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb8be83e9f8f0] do_page_fault at ffffffffb0ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb8be83e9f920] page_fault at ffffffffb1c00f8e
    /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: ffffffffc072ce20  RSP: ffffb8be83e9f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8c36e39b5c80  RCX: 0000000000000007
    RDX: ffff8c35cf574800  RSI: 00000000b0000202  RDI: ffff8c36debf75e0
    RBP: 0000000000000007   R8: ffff8c35c42d0d86   R9: 0000000000000000
    R10: 00000000bc81f778  R11: ffff8c35c42d1000  R12: ffff8c360488e000
    R13: ffff8c35c4420000  R14: ffff8c360488e000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb8be83e9f9d0] osd_bufs_put at ffffffffc1e1bd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb8be83e9fa18] ofd_release_chunk_lnb at ffffffffc22cf2c2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb8be83e9fa40] ofd_commitrw_write at ffffffffc22bb3e8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffb8be83e9fae0] ofd_commitrw at ffffffffc22c29eb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffb8be83e9fbb8] tgt_brw_write at ffffffffc163145c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb8be83e9fd78] tgt_handle_request0 at ffffffffc1629c07 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb8be83e9fda8] tgt_request_handle at ffffffffc162b8a5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb8be83e9fe28] ptlrpc_server_handle_request at ffffffffc15239a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb8be83e9fe90] ptlrpc_main at ffffffffc1526bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb8be83e9ff10] kthread at ffffffffb0d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb8be83e9ff50] ret_from_fork at ffffffffb1c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330