PID: 41430  TASK: ffff9c0080424f80  CPU: 2   COMMAND: "ll_ost_io00_004"
 #0 [fffface701c2b688] machine_kexec at ffffffff916850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [fffface701c2b6e0] __crash_kexec at ffffffff9183e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [fffface701c2b7a0] crash_kexec at ffffffff9183fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [fffface701c2b7b8] oops_end at ffffffff91637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [fffface701c2b7d8] no_context.cold.27 at ffffffff916a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [fffface701c2b830] __bad_area_nosemaphore at ffffffff916a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [fffface701c2b878] bad_area_nosemaphore at ffffffff916a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [fffface701c2b880] do_user_addr_fault at ffffffff916a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [fffface701c2b8d0] __do_page_fault at ffffffff916a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [fffface701c2b8f0] do_page_fault at ffffffff916a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [fffface701c2b920] page_fault at ffffffff92600f8e
    /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: ffffffffc05fee20  RSP: fffface701c2b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9c004e07d008  RCX: 0000000000000007
    RDX: ffff9c007bd8fe00  RSI: 00000000b0000202  RDI: ffff9c0047fe89c0
    RBP: 0000000000000007   R8: ffff9c004fa46553   R9: 0000000000000000
    R10: 00000000c11bc098  R11: ffff9c004fa47000  R12: ffff9bff56130000
    R13: ffff9c004f880000  R14: ffff9bff56130000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [fffface701c2b9d0] osd_bufs_put at ffffffffc1cf0d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [fffface701c2ba18] ofd_release_chunk_lnb at ffffffffc21a4012 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [fffface701c2ba40] ofd_commitrw_write at ffffffffc21903b8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [fffface701c2bae0] ofd_commitrw at ffffffffc21979bb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [fffface701c2bbb8] tgt_brw_write at ffffffffc153b44c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [fffface701c2bd78] tgt_handle_request0 at ffffffffc1533bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [fffface701c2bda8] tgt_request_handle at ffffffffc1535895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [fffface701c2be28] ptlrpc_server_handle_request at ffffffffc142d9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [fffface701c2be90] ptlrpc_main at ffffffffc1430bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [fffface701c2bf10] kthread at ffffffff91757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [fffface701c2bf50] ret_from_fork at ffffffff926001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330