PID: 6698   TASK: ffff96ba2855cf80  CPU: 2   COMMAND: "ll_ost_io00_001"
 #0 [ffffabd443a97688] machine_kexec at ffffffffa26850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffabd443a976e0] __crash_kexec at ffffffffa283e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffabd443a977a0] crash_kexec at ffffffffa283fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffabd443a977b8] oops_end at ffffffffa2637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffabd443a977d8] no_context.cold.27 at ffffffffa26a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffabd443a97830] __bad_area_nosemaphore at ffffffffa26a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffabd443a97878] bad_area_nosemaphore at ffffffffa26a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffabd443a97880] do_user_addr_fault at ffffffffa26a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffabd443a978d0] __do_page_fault at ffffffffa26a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffabd443a978f0] do_page_fault at ffffffffa26a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffabd443a97920] page_fault at ffffffffa3600f8e
    /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: ffffffffc0862e20  RSP: ffffabd443a979d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff96ba17152000  RCX: 0000000000000007
    RDX: ffff96ba2dd90600  RSI: 00000000b0000202  RDI: ffff96b917ebed60
    RBP: 0000000000000007   R8: ffff96b90467fcbc   R9: 0000000000000000
    R10: 00000000c09f69e9  R11: ffff96b904680000  R12: ffff96ba3216a000
    R13: ffff96b901bc0000  R14: ffff96ba3216a000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffabd443a979d0] osd_bufs_put at ffffffffc1f58d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffabd443a97a18] ofd_release_chunk_lnb at ffffffffc240bca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffabd443a97a40] ofd_commitrw_write at ffffffffc23f8708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffabd443a97ae0] ofd_commitrw at ffffffffc23ffca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffabd443a97bb8] tgt_brw_write at ffffffffc17a051c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffabd443a97d78] tgt_handle_request0 at ffffffffc1798cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffabd443a97da8] tgt_request_handle at ffffffffc179a965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffabd443a97e28] ptlrpc_server_handle_request at ffffffffc16929a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffabd443a97e90] ptlrpc_main at ffffffffc1695bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffabd443a97f10] kthread at ffffffffa2757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffabd443a97f50] ret_from_fork at ffffffffa36001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330