PID: 8077   TASK: ffff9b48005627c0  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffa7c3c3fbb678] machine_kexec at ffffffffa1e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa7c3c3fbb6d0] __crash_kexec at ffffffffa203e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa7c3c3fbb790] crash_kexec at ffffffffa203fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa7c3c3fbb7a8] oops_end at ffffffffa1e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa7c3c3fbb7c8] no_context.cold.27 at ffffffffa1ea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa7c3c3fbb820] __bad_area_nosemaphore at ffffffffa1ea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa7c3c3fbb868] bad_area_nosemaphore at ffffffffa1ea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa7c3c3fbb870] do_user_addr_fault at ffffffffa1ea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa7c3c3fbb8c0] __do_page_fault at ffffffffa1ea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa7c3c3fbb8e0] do_page_fault at ffffffffa1ea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa7c3c3fbb910] page_fault at ffffffffa2e00f8e
    /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: ffffffffc08c5e20  RSP: ffffa7c3c3fbb9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9b47df95bc80  RCX: 0000000000000002
    RDX: ffff9b47fbe47c00  RSI: 00000000b0000202  RDI: ffff9b4800d09f20
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9b47fc56b3c0  R11: ffff9b47fb671278  R12: ffff9b47fbc10000
    R13: ffff9b47fbda0000  R14: ffff9b47fbc10000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa7c3c3fbb9c0] osd_bufs_put at ffffffffc1fced97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa7c3c3fbba08] ofd_release_chunk_lnb at ffffffffc2482882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa7c3c3fbba30] ofd_commitrw_write at ffffffffc246e376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffa7c3c3fbbad0] ofd_commitrw at ffffffffc247607c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffa7c3c3fbbba8] tgt_brw_write at ffffffffc1801588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffa7c3c3fbbd78] tgt_handle_request0 at ffffffffc17f9bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffa7c3c3fbbda8] tgt_request_handle at ffffffffc17fb895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa7c3c3fbbe28] ptlrpc_server_handle_request at ffffffffc16f39a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa7c3c3fbbe90] ptlrpc_main at ffffffffc16f6bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa7c3c3fbbf10] kthread at ffffffffa1f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa7c3c3fbbf50] ret_from_fork at ffffffffa2e001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330