PID: 41272  TASK: ffff9040420b4f80  CPU: 1   COMMAND: "ll_ost_io00_006"
 #0 [ffffa46a02b7f688] machine_kexec at ffffffffadc850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa46a02b7f6e0] __crash_kexec at ffffffffade3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa46a02b7f7a0] crash_kexec at ffffffffade3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa46a02b7f7b8] oops_end at ffffffffadc37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa46a02b7f7d8] no_context.cold.27 at ffffffffadca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa46a02b7f830] __bad_area_nosemaphore at ffffffffadca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa46a02b7f878] bad_area_nosemaphore at ffffffffadca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa46a02b7f880] do_user_addr_fault at ffffffffadca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa46a02b7f8d0] __do_page_fault at ffffffffadca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa46a02b7f8f0] do_page_fault at ffffffffadca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa46a02b7f920] page_fault at ffffffffaec00f8e
    /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: ffffffffc089ee20  RSP: ffffa46a02b7f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff90415bf4e390  RCX: 0000000000000007
    RDX: ffff90417b833c00  RSI: 00000000b0000202  RDI: ffff904174af6b40
    RBP: 0000000000000007   R8: ffff90416dde57e1   R9: 0000000000000000
    R10: 00000000bca04c68  R11: ffff90416dde6000  R12: ffff90404a23e000
    R13: ffff90417bca0000  R14: ffff90404a23e000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa46a02b7f9d0] osd_bufs_put at ffffffffc1f99d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa46a02b7fa18] ofd_release_chunk_lnb at ffffffffc2451712 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa46a02b7fa40] ofd_commitrw_write at ffffffffc243e0d8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa46a02b7fae0] ofd_commitrw at ffffffffc244563c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa46a02b7fbb8] tgt_brw_write at ffffffffc17df56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa46a02b7fd78] tgt_handle_request0 at ffffffffc17d7d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa46a02b7fda8] tgt_request_handle at ffffffffc17d99b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa46a02b7fe28] ptlrpc_server_handle_request at ffffffffc16d19e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa46a02b7fe90] ptlrpc_main at ffffffffc16d4c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa46a02b7ff10] kthread at ffffffffadd57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa46a02b7ff50] ret_from_fork at ffffffffaec001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330