PID: 16553  TASK: ffff9fda06634f80  CPU: 3   COMMAND: "ll_ost_io00_011"
 #0 [ffffc39c40c97688] machine_kexec at ffffffff89a850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffc39c40c976e0] __crash_kexec at ffffffff89c3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffc39c40c977a0] crash_kexec at ffffffff89c3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffc39c40c977b8] oops_end at ffffffff89a37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffc39c40c977d8] no_context.cold.27 at ffffffff89aa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffc39c40c97830] __bad_area_nosemaphore at ffffffff89aa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffc39c40c97878] bad_area_nosemaphore at ffffffff89aa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffc39c40c97880] do_user_addr_fault at ffffffff89aa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffc39c40c978d0] __do_page_fault at ffffffff89aa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffc39c40c978f0] do_page_fault at ffffffff89aa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffc39c40c97920] page_fault at ffffffff8aa00f8e
    /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: ffffffffc05b5e20  RSP: ffffc39c40c979d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9fdb3975bab8  RCX: 0000000000000001
    RDX: ffff9fda0c70d000  RSI: 00000000b0000202  RDI: ffff9fdb0845d8e0
    RBP: 0000000000000001   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9fda063c6180  R11: ffff9fdb3fef1720  R12: ffff9fdb183d0000
    R13: ffff9fdb37660000  R14: ffff9fdb183d0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffc39c40c979d0] osd_bufs_put at ffffffffc1ca4d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffc39c40c97a18] ofd_release_chunk_lnb at ffffffffc2158012 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffc39c40c97a40] ofd_commitrw_write at ffffffffc21443b8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffc39c40c97ae0] ofd_commitrw at ffffffffc214b9bb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffc39c40c97bb8] tgt_brw_write at ffffffffc14ba44c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffc39c40c97d78] tgt_handle_request0 at ffffffffc14b2bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffc39c40c97da8] tgt_request_handle at ffffffffc14b4895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffc39c40c97e28] ptlrpc_server_handle_request at ffffffffc13ac9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffc39c40c97e90] ptlrpc_main at ffffffffc13afbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffc39c40c97f10] kthread at ffffffff89b57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffc39c40c97f50] ret_from_fork at ffffffff8aa001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330