PID: 6678   TASK: ffff8fd2f4f78000  CPU: 0   COMMAND: "ll_ost_io00_002"
 #0 [ffffb4cbc1d4f688] machine_kexec at ffffffffa0a850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb4cbc1d4f6e0] __crash_kexec at ffffffffa0c3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb4cbc1d4f7a0] crash_kexec at ffffffffa0c3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb4cbc1d4f7b8] oops_end at ffffffffa0a37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb4cbc1d4f7d8] no_context.cold.27 at ffffffffa0aa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb4cbc1d4f830] __bad_area_nosemaphore at ffffffffa0aa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb4cbc1d4f878] bad_area_nosemaphore at ffffffffa0aa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb4cbc1d4f880] do_user_addr_fault at ffffffffa0aa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb4cbc1d4f8d0] __do_page_fault at ffffffffa0aa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb4cbc1d4f8f0] do_page_fault at ffffffffa0aa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb4cbc1d4f920] page_fault at ffffffffa1a00f8e
    /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: ffffffffc0719e20  RSP: ffffb4cbc1d4f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8fd2fa8c5728  RCX: 0000000000000010
    RDX: ffff8fd2f4f67a00  RSI: 00000000b0000202  RDI: ffff8fd2d0d17740
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8fd2f5e183c0  R11: ffff8fd2f3b5bc60  R12: ffff8fd2f66e0000
    R13: ffff8fd2f65e0000  R14: ffff8fd2f66e0000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb4cbc1d4f9d0] osd_bufs_put at ffffffffc1e13d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb4cbc1d4fa18] ofd_release_chunk_lnb at ffffffffc22cb652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb4cbc1d4fa40] ofd_commitrw_write at ffffffffc22b8018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb4cbc1d4fae0] ofd_commitrw at ffffffffc22bf57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb4cbc1d4fbb8] tgt_brw_write at ffffffffc165a56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb4cbc1d4fd78] tgt_handle_request0 at ffffffffc1652d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb4cbc1d4fda8] tgt_request_handle at ffffffffc16549b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb4cbc1d4fe28] ptlrpc_server_handle_request at ffffffffc154c9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb4cbc1d4fe90] ptlrpc_main at ffffffffc154fc08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb4cbc1d4ff10] kthread at ffffffffa0b57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb4cbc1d4ff50] ret_from_fork at ffffffffa1a001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330