PID: 16502  TASK: ffff9b97e0168000  CPU: 0   COMMAND: "ll_ost_io00_008"
 #0 [ffffc0c7c4707688] machine_kexec at ffffffff8ac850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffc0c7c47076e0] __crash_kexec at ffffffff8ae3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffc0c7c47077a0] crash_kexec at ffffffff8ae3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffc0c7c47077b8] oops_end at ffffffff8ac37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffc0c7c47077d8] no_context.cold.27 at ffffffff8aca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffc0c7c4707830] __bad_area_nosemaphore at ffffffff8aca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffc0c7c4707878] bad_area_nosemaphore at ffffffff8aca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffc0c7c4707880] do_user_addr_fault at ffffffff8aca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffc0c7c47078d0] __do_page_fault at ffffffff8aca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffc0c7c47078f0] do_page_fault at ffffffff8aca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffc0c7c4707920] page_fault at ffffffff8bc00f8e
    /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: ffffffffc06d1e20  RSP: ffffc0c7c47079d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9b96c97b2ab0  RCX: 0000000000000001
    RDX: ffff9b96cb5c5e00  RSI: 00000000b0000202  RDI: ffff9b97c4817ae0
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9b97c52da840  R11: ffff9b96c50d5850  R12: ffff9b97f6158000
    R13: ffff9b97eb7a0000  R14: ffff9b97f6158000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffc0c7c47079d0] osd_bufs_put at ffffffffc1dc7d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffc0c7c4707a18] ofd_release_chunk_lnb at ffffffffc227aca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffc0c7c4707a40] ofd_commitrw_write at ffffffffc2267708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffc0c7c4707ae0] ofd_commitrw at ffffffffc226eca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffc0c7c4707bb8] tgt_brw_write at ffffffffc160f51c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffc0c7c4707d78] tgt_handle_request0 at ffffffffc1607cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffc0c7c4707da8] tgt_request_handle at ffffffffc1609965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffc0c7c4707e28] ptlrpc_server_handle_request at ffffffffc15019a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffc0c7c4707e90] ptlrpc_main at ffffffffc1504bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffc0c7c4707f10] kthread at ffffffff8ad57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffc0c7c4707f50] ret_from_fork at ffffffff8bc001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330