PID: 8079   TASK: ffff9b54f7840000  CPU: 1   COMMAND: "ll_ost_io00_000"
 #0 [ffffb13001d43688] machine_kexec at ffffffff966850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb13001d436e0] __crash_kexec at ffffffff9683e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb13001d437a0] crash_kexec at ffffffff9683fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb13001d437b8] oops_end at ffffffff96637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb13001d437d8] no_context.cold.27 at ffffffff966a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb13001d43830] __bad_area_nosemaphore at ffffffff966a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb13001d43878] bad_area_nosemaphore at ffffffff966a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb13001d43880] do_user_addr_fault at ffffffff966a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb13001d438d0] __do_page_fault at ffffffff966a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb13001d438f0] do_page_fault at ffffffff966a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb13001d43920] page_fault at ffffffff97600f8e
    /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: ffffffffc06a6e20  RSP: ffffb13001d439d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9b54f7db1ab8  RCX: 0000000000000001
    RDX: ffff9b54ee128400  RSI: 00000000b0000202  RDI: ffff9b54c806ac60
    RBP: 0000000000000001   R8: 0000000000000029   R9: 000000000000000e
    R10: ffff9b54c4f3df00  R11: ffff9b54ef553c60  R12: ffff9b53c9ee0000
    R13: ffff9b53c1320000  R14: ffff9b53c9ee0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb13001d439d0] osd_bufs_put at ffffffffc1d99d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb13001d43a18] ofd_release_chunk_lnb at ffffffffc224cca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb13001d43a40] ofd_commitrw_write at ffffffffc2239708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb13001d43ae0] ofd_commitrw at ffffffffc2240ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb13001d43bb8] tgt_brw_write at ffffffffc15ac51c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb13001d43d78] tgt_handle_request0 at ffffffffc15a4cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb13001d43da8] tgt_request_handle at ffffffffc15a6965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb13001d43e28] ptlrpc_server_handle_request at ffffffffc149e9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb13001d43e90] ptlrpc_main at ffffffffc14a1bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb13001d43f10] kthread at ffffffff96757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb13001d43f50] ret_from_fork at ffffffff976001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330