PID: 16870  TASK: ffff932e42fe27c0  CPU: 1   COMMAND: "ll_ost_io00_013"
 #0 [ffffb5be01c4f688] machine_kexec at ffffffff964850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb5be01c4f6e0] __crash_kexec at ffffffff9663e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb5be01c4f7a0] crash_kexec at ffffffff9663fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb5be01c4f7b8] oops_end at ffffffff96437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb5be01c4f7d8] no_context.cold.27 at ffffffff964a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb5be01c4f830] __bad_area_nosemaphore at ffffffff964a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb5be01c4f878] bad_area_nosemaphore at ffffffff964a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb5be01c4f880] do_user_addr_fault at ffffffff964a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb5be01c4f8d0] __do_page_fault at ffffffff964a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb5be01c4f8f0] do_page_fault at ffffffff964a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb5be01c4f920] page_fault at ffffffff97400f8e
    /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: ffffffffc08e7e20  RSP: ffffb5be01c4f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff932e461bf560  RCX: 0000000000000001
    RDX: ffff932e6cd06c00  RSI: 00000000b0000202  RDI: ffff932e73db8d80
    RBP: 0000000000000001   R8: 0000000000000029   R9: 0000000000000003
    R10: ffff932e5e5ccd80  R11: ffff932e7ff10dd0  R12: ffff932e45ea8000
    R13: ffff932e5e600000  R14: ffff932e45ea8000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb5be01c4f9d0] osd_bufs_put at ffffffffc1fe2d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb5be01c4fa18] ofd_release_chunk_lnb at ffffffffc249a712 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb5be01c4fa40] ofd_commitrw_write at ffffffffc24870d8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb5be01c4fae0] ofd_commitrw at ffffffffc248e63c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb5be01c4fbb8] tgt_brw_write at ffffffffc182856c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb5be01c4fd78] tgt_handle_request0 at ffffffffc1820d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb5be01c4fda8] tgt_request_handle at ffffffffc18229b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb5be01c4fe28] ptlrpc_server_handle_request at ffffffffc171a9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb5be01c4fe90] ptlrpc_main at ffffffffc171dc08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb5be01c4ff10] kthread at ffffffff96557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb5be01c4ff50] ret_from_fork at ffffffff974001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330