PID: 6709   TASK: ffff8ce0c59ea7c0  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffff9b1282e0b688] machine_kexec at ffffffffb78850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9b1282e0b6e0] __crash_kexec at ffffffffb7a3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9b1282e0b7a0] crash_kexec at ffffffffb7a3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9b1282e0b7b8] oops_end at ffffffffb7837cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9b1282e0b7d8] no_context.cold.27 at ffffffffb78a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9b1282e0b830] __bad_area_nosemaphore at ffffffffb78a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9b1282e0b878] bad_area_nosemaphore at ffffffffb78a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9b1282e0b880] do_user_addr_fault at ffffffffb78a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9b1282e0b8d0] __do_page_fault at ffffffffb78a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9b1282e0b8f0] do_page_fault at ffffffffb78a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9b1282e0b920] page_fault at ffffffffb8800f8e
    /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: ffffffffc0805e20  RSP: ffff9b1282e0b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8ce0f9f53398  RCX: 0000000000000010
    RDX: ffff8ce0c86c6200  RSI: 00000000b0000202  RDI: ffff8cdfc2fd2980
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8ce0c7d5a300  R11: ffff8ce0ea6dc108  R12: ffff8ce0fa900000
    R13: ffff8ce0f4380000  R14: ffff8ce0fa900000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9b1282e0b9d0] osd_bufs_put at ffffffffc1efcd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9b1282e0ba18] ofd_release_chunk_lnb at ffffffffc23b4652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9b1282e0ba40] ofd_commitrw_write at ffffffffc23a1018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffff9b1282e0bae0] ofd_commitrw at ffffffffc23a857c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffff9b1282e0bbb8] tgt_brw_write at ffffffffc170e56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9b1282e0bd78] tgt_handle_request0 at ffffffffc1706d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffff9b1282e0bda8] tgt_request_handle at ffffffffc17089b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9b1282e0be28] ptlrpc_server_handle_request at ffffffffc16009e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9b1282e0be90] ptlrpc_main at ffffffffc1603c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9b1282e0bf10] kthread at ffffffffb7957041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9b1282e0bf50] ret_from_fork at ffffffffb88001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330