PID: 6694   TASK: ffffa0abf75027c0  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffffaeee42d13688] machine_kexec at ffffffffa22850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaeee42d136e0] __crash_kexec at ffffffffa243e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaeee42d137a0] crash_kexec at ffffffffa243fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaeee42d137b8] oops_end at ffffffffa2237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaeee42d137d8] no_context.cold.27 at ffffffffa22a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaeee42d13830] __bad_area_nosemaphore at ffffffffa22a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaeee42d13878] bad_area_nosemaphore at ffffffffa22a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaeee42d13880] do_user_addr_fault at ffffffffa22a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaeee42d138d0] __do_page_fault at ffffffffa22a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaeee42d138f0] do_page_fault at ffffffffa22a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaeee42d13920] page_fault at ffffffffa3200f8e
    /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: ffffffffc06eee20  RSP: ffffaeee42d139d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa0abfa8208e8  RCX: 0000000000000010
    RDX: ffffa0abd06d7a00  RSI: 00000000b0000202  RDI: ffffa0abc3baf6c0
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffffa0abcdcef180  R11: ffffa0abeaf66f98  R12: ffffa0abfae90000
    R13: ffffa0ac01e00000  R14: ffffa0abfae90000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaeee42d139d0] osd_bufs_put at ffffffffc1de8d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaeee42d13a18] ofd_release_chunk_lnb at ffffffffc22a0652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaeee42d13a40] ofd_commitrw_write at ffffffffc228d018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffaeee42d13ae0] ofd_commitrw at ffffffffc229457c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffaeee42d13bb8] tgt_brw_write at ffffffffc162f56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffaeee42d13d78] tgt_handle_request0 at ffffffffc1627d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffaeee42d13da8] tgt_request_handle at ffffffffc16299b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaeee42d13e28] ptlrpc_server_handle_request at ffffffffc15219e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaeee42d13e90] ptlrpc_main at ffffffffc1524c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaeee42d13f10] kthread at ffffffffa2357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaeee42d13f50] ret_from_fork at ffffffffa32001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330