PID: 98704  TASK: ffff8c76b4ba0000  CPU: 2   COMMAND: "ll_ost_io00_018"
 #0 [ffff9d2742f9f688] machine_kexec at ffffffffa7c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9d2742f9f6e0] __crash_kexec at ffffffffa7e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9d2742f9f7a0] crash_kexec at ffffffffa7e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9d2742f9f7b8] oops_end at ffffffffa7c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9d2742f9f7d8] no_context.cold.27 at ffffffffa7ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9d2742f9f830] __bad_area_nosemaphore at ffffffffa7ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9d2742f9f878] bad_area_nosemaphore at ffffffffa7ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9d2742f9f880] do_user_addr_fault at ffffffffa7ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9d2742f9f8d0] __do_page_fault at ffffffffa7ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9d2742f9f8f0] do_page_fault at ffffffffa7ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9d2742f9f920] page_fault at ffffffffa8c00f8e
    /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: ffffffffc0682e20  RSP: ffff9d2742f9f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8c7694e1b8f0  RCX: 0000000000000007
    RDX: ffff8c7685b65400  RSI: 00000000b0000202  RDI: ffff8c75cc6c4da0
    RBP: 0000000000000007   R8: ffff8c7685d842fc   R9: 0000000000000000
    R10: 00000000beb498e4  R11: ffff8c7685d85000  R12: ffff8c76bd63e000
    R13: ffff8c7685d20000  R14: ffff8c76bd63e000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9d2742f9f9d0] osd_bufs_put at ffffffffc1d71d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9d2742f9fa18] ofd_release_chunk_lnb at ffffffffc22252c2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9d2742f9fa40] ofd_commitrw_write at ffffffffc22113e8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffff9d2742f9fae0] ofd_commitrw at ffffffffc22189eb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffff9d2742f9fbb8] tgt_brw_write at ffffffffc158745c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9d2742f9fd78] tgt_handle_request0 at ffffffffc157fc07 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffff9d2742f9fda8] tgt_request_handle at ffffffffc15818a5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9d2742f9fe28] ptlrpc_server_handle_request at ffffffffc14799a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9d2742f9fe90] ptlrpc_main at ffffffffc147cbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9d2742f9ff10] kthread at ffffffffa7d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9d2742f9ff50] ret_from_fork at ffffffffa8c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330