PID: 102860  TASK: ffff8bdabfde27c0  CPU: 2   COMMAND: "ll_ost_io00_018"
 #0 [ffff9fdb01663688] machine_kexec at ffffffff942850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9fdb016636e0] __crash_kexec at ffffffff9443e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9fdb016637a0] crash_kexec at ffffffff9443fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9fdb016637b8] oops_end at ffffffff94237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9fdb016637d8] no_context.cold.27 at ffffffff942a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9fdb01663830] __bad_area_nosemaphore at ffffffff942a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9fdb01663878] bad_area_nosemaphore at ffffffff942a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9fdb01663880] do_user_addr_fault at ffffffff942a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9fdb016638d0] __do_page_fault at ffffffff942a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9fdb016638f0] do_page_fault at ffffffff942a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9fdb01663920] page_fault at ffffffff95200f8e
    /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: ffffffffc08cee20  RSP: ffff9fdb016639d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8bda878931d0  RCX: 0000000000000007
    RDX: ffff8bdabb746800  RSI: 00000000b0000202  RDI: ffff8bda87e99260
    RBP: 0000000000000007   R8: ffff8bd9837d046a   R9: 0000000000000000
    R10: 00000000bf8b62d1  R11: ffff8bd9837d1000  R12: ffff8bd98d7c4000
    R13: ffff8bd985f00000  R14: ffff8bd98d7c4000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9fdb016639d0] osd_bufs_put at ffffffffc1fbdd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9fdb01663a18] ofd_release_chunk_lnb at ffffffffc2470fd2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9fdb01663a40] ofd_commitrw_write at ffffffffc245d3b8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffff9fdb01663ae0] ofd_commitrw at ffffffffc24649bb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffff9fdb01663bb8] tgt_brw_write at ffffffffc17d344c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9fdb01663d78] tgt_handle_request0 at ffffffffc17cbbf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffff9fdb01663da8] tgt_request_handle at ffffffffc17cd895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9fdb01663e28] ptlrpc_server_handle_request at ffffffffc16c59a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9fdb01663e90] ptlrpc_main at ffffffffc16c8bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9fdb01663f10] kthread at ffffffff94357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9fdb01663f50] ret_from_fork at ffffffff952001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330