PID: 8075   TASK: ffff957d1bada7c0  CPU: 0   COMMAND: "ll_ost_io00_002"
 #0 [ffffa8ea43d8f688] machine_kexec at ffffffffa30850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa8ea43d8f6e0] __crash_kexec at ffffffffa323e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa8ea43d8f7a0] crash_kexec at ffffffffa323fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa8ea43d8f7b8] oops_end at ffffffffa3037cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa8ea43d8f7d8] no_context.cold.27 at ffffffffa30a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa8ea43d8f830] __bad_area_nosemaphore at ffffffffa30a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa8ea43d8f878] bad_area_nosemaphore at ffffffffa30a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa8ea43d8f880] do_user_addr_fault at ffffffffa30a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa8ea43d8f8d0] __do_page_fault at ffffffffa30a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa8ea43d8f8f0] do_page_fault at ffffffffa30a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa8ea43d8f920] page_fault at ffffffffa4000f8e
    /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: ffffffffc071ce20  RSP: ffffa8ea43d8f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff957c0915f8f0  RCX: 0000000000000010
    RDX: ffff957d3fc4e200  RSI: 00000000b0000202  RDI: ffff957d09e107a0
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff957d02b6bcc0  R11: ffff957c0172d3a8  R12: ffff957c097c0000
    R13: ffff957c0a580000  R14: ffff957c097c0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa8ea43d8f9d0] osd_bufs_put at ffffffffc1e13d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa8ea43d8fa18] ofd_release_chunk_lnb at ffffffffc22cb652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa8ea43d8fa40] ofd_commitrw_write at ffffffffc22b8018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa8ea43d8fae0] ofd_commitrw at ffffffffc22bf57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa8ea43d8fbb8] tgt_brw_write at ffffffffc162556c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa8ea43d8fd78] tgt_handle_request0 at ffffffffc161dd17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa8ea43d8fda8] tgt_request_handle at ffffffffc161f9b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa8ea43d8fe28] ptlrpc_server_handle_request at ffffffffc15179e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa8ea43d8fe90] ptlrpc_main at ffffffffc151ac08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa8ea43d8ff10] kthread at ffffffffa3157041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa8ea43d8ff50] ret_from_fork at ffffffffa40001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330