PID: 6716   TASK: ffffa05677f3cf80  CPU: 2   COMMAND: "ll_ost_io00_002"
 #0 [ffffc284039ab678] machine_kexec at ffffffff9be850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffc284039ab6d0] __crash_kexec at ffffffff9c03e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffc284039ab790] crash_kexec at ffffffff9c03fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffc284039ab7a8] oops_end at ffffffff9be37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffc284039ab7c8] no_context.cold.27 at ffffffff9bea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffc284039ab820] __bad_area_nosemaphore at ffffffff9bea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffc284039ab868] bad_area_nosemaphore at ffffffff9bea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffc284039ab870] do_user_addr_fault at ffffffff9bea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffc284039ab8c0] __do_page_fault at ffffffff9bea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffc284039ab8e0] do_page_fault at ffffffff9bea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffc284039ab910] page_fault at ffffffff9ce00f8e
    /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: ffffffffc0727e20  RSP: ffffc284039ab9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa05681c44558  RCX: 0000000000000002
    RDX: ffffa0565e010c00  RSI: 00000000b0000202  RDI: ffffa0565d83bca0
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffffa05647526540  R11: ffffa0567ff645b0  R12: ffffa0566428c000
    R13: ffffa0567b320000  R14: ffffa0566428c000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffc284039ab9c0] osd_bufs_put at ffffffffc1e1bd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffc284039aba08] ofd_release_chunk_lnb at ffffffffc22cf882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffc284039aba30] ofd_commitrw_write at ffffffffc22bb376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffc284039abad0] ofd_commitrw at ffffffffc22c307c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffc284039abba8] tgt_brw_write at ffffffffc1663588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffc284039abd78] tgt_handle_request0 at ffffffffc165bbf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffc284039abda8] tgt_request_handle at ffffffffc165d895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffc284039abe28] ptlrpc_server_handle_request at ffffffffc15559a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffc284039abe90] ptlrpc_main at ffffffffc1558bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffc284039abf10] kthread at ffffffff9bf57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffc284039abf50] ret_from_fork at ffffffff9ce001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330