PID: 6680   TASK: ffff895751ff27c0  CPU: 0   COMMAND: "ll_ost_io00_000"
 #0 [ffff9f4a01767688] machine_kexec at ffffffffaa6850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9f4a017676e0] __crash_kexec at ffffffffaa83e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9f4a017677a0] crash_kexec at ffffffffaa83fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9f4a017677b8] oops_end at ffffffffaa637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9f4a017677d8] no_context.cold.27 at ffffffffaa6a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9f4a01767830] __bad_area_nosemaphore at ffffffffaa6a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9f4a01767878] bad_area_nosemaphore at ffffffffaa6a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9f4a01767880] do_user_addr_fault at ffffffffaa6a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9f4a017678d0] __do_page_fault at ffffffffaa6a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9f4a017678f0] do_page_fault at ffffffffaa6a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9f4a01767920] page_fault at ffffffffab600f8e
    /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: ffffffffc0845e20  RSP: ffff9f4a017679d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff895742ab6390  RCX: 0000000000000001
    RDX: ffff895747974000  RSI: 00000000b0000202  RDI: ffff89576ff679e0
    RBP: 0000000000000001   R8: 0000000000000029   R9: 000000000000000b
    R10: ffff895741370780  R11: ffff89574d76cf00  R12: ffff895645304000
    R13: ffff89576fe60000  R14: ffff895645304000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9f4a017679d0] osd_bufs_put at ffffffffc1f38d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9f4a01767a18] ofd_release_chunk_lnb at ffffffffc23ebca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9f4a01767a40] ofd_commitrw_write at ffffffffc23d8708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffff9f4a01767ae0] ofd_commitrw at ffffffffc23dfca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffff9f4a01767bb8] tgt_brw_write at ffffffffc174b51c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9f4a01767d78] tgt_handle_request0 at ffffffffc1743cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffff9f4a01767da8] tgt_request_handle at ffffffffc1745965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9f4a01767e28] ptlrpc_server_handle_request at ffffffffc163d9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9f4a01767e90] ptlrpc_main at ffffffffc1640bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9f4a01767f10] kthread at ffffffffaa757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9f4a01767f50] ret_from_fork at ffffffffab6001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330