PID: 98696  TASK: ffff99df14794f80  CPU: 2   COMMAND: "ll_ost_io00_011"
 #0 [ffffab090227b688] machine_kexec at ffffffffa34850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffab090227b6e0] __crash_kexec at ffffffffa363e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffab090227b7a0] crash_kexec at ffffffffa363fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffab090227b7b8] oops_end at ffffffffa3437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffab090227b7d8] no_context.cold.27 at ffffffffa34a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffab090227b830] __bad_area_nosemaphore at ffffffffa34a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffab090227b878] bad_area_nosemaphore at ffffffffa34a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffab090227b880] do_user_addr_fault at ffffffffa34a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffab090227b8d0] __do_page_fault at ffffffffa34a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffab090227b8f0] do_page_fault at ffffffffa34a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffab090227b920] page_fault at ffffffffa4400f8e
    /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: ffffffffc0802e20  RSP: ffffab090227b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff99e041732ab0  RCX: 0000000000000007
    RDX: ffff99df0518ba00  RSI: 00000000b0000202  RDI: ffff99df0742d6c0
    RBP: 0000000000000007   R8: ffff99df0522a66e   R9: 0000000000000000
    R10: 00000000bdf78cde  R11: ffff99df0522b000  R12: ffff99e027d58000
    R13: ffff99e041f80000  R14: ffff99e027d58000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffab090227b9d0] osd_bufs_put at ffffffffc1efad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffab090227ba18] ofd_release_chunk_lnb at ffffffffc23b2652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffab090227ba40] ofd_commitrw_write at ffffffffc239f018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffab090227bae0] ofd_commitrw at ffffffffc23a657c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffab090227bbb8] tgt_brw_write at ffffffffc170b56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffab090227bd78] tgt_handle_request0 at ffffffffc1703d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffab090227bda8] tgt_request_handle at ffffffffc17059b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffab090227be28] ptlrpc_server_handle_request at ffffffffc15fd9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffab090227be90] ptlrpc_main at ffffffffc1600c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffab090227bf10] kthread at ffffffffa3557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffab090227bf50] ret_from_fork at ffffffffa44001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330