PID: 6720   TASK: ffff948086508000  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffa22e02d0f688] machine_kexec at ffffffff858850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa22e02d0f6e0] __crash_kexec at ffffffff85a3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa22e02d0f7a0] crash_kexec at ffffffff85a3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa22e02d0f7b8] oops_end at ffffffff85837cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa22e02d0f7d8] no_context.cold.27 at ffffffff858a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa22e02d0f830] __bad_area_nosemaphore at ffffffff858a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa22e02d0f878] bad_area_nosemaphore at ffffffff858a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa22e02d0f880] do_user_addr_fault at ffffffff858a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa22e02d0f8d0] __do_page_fault at ffffffff858a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa22e02d0f8f0] do_page_fault at ffffffff858a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa22e02d0f920] page_fault at ffffffff86800f8e
    /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: ffffffffc06d4e20  RSP: ffffa22e02d0f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff948098be58f0  RCX: 0000000000000001
    RDX: ffff9480841f3800  RSI: 00000000b0000202  RDI: ffff947f82179420
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9480bc2a6000  R11: ffff947f81486648  R12: ffff9480ada58000
    R13: ffff9480ad520000  R14: ffff9480ada58000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa22e02d0f9d0] osd_bufs_put at ffffffffc1dc7d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa22e02d0fa18] ofd_release_chunk_lnb at ffffffffc227aca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa22e02d0fa40] ofd_commitrw_write at ffffffffc2267708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa22e02d0fae0] ofd_commitrw at ffffffffc226eca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa22e02d0fbb8] tgt_brw_write at ffffffffc15da51c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa22e02d0fd78] tgt_handle_request0 at ffffffffc15d2cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa22e02d0fda8] tgt_request_handle at ffffffffc15d4965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa22e02d0fe28] ptlrpc_server_handle_request at ffffffffc14cc9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa22e02d0fe90] ptlrpc_main at ffffffffc14cfbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa22e02d0ff10] kthread at ffffffff85957041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa22e02d0ff50] ret_from_fork at ffffffff868001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330