PID: 6700   TASK: ffff8d5de03dcf80  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffffad70439fb688] machine_kexec at ffffffff9b6850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffad70439fb6e0] __crash_kexec at ffffffff9b83e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffad70439fb7a0] crash_kexec at ffffffff9b83fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffad70439fb7b8] oops_end at ffffffff9b637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffad70439fb7d8] no_context.cold.27 at ffffffff9b6a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffad70439fb830] __bad_area_nosemaphore at ffffffff9b6a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffad70439fb878] bad_area_nosemaphore at ffffffff9b6a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffad70439fb880] do_user_addr_fault at ffffffff9b6a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffad70439fb8d0] __do_page_fault at ffffffff9b6a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffad70439fb8f0] do_page_fault at ffffffff9b6a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffad70439fb920] page_fault at ffffffff9c600f8e
    /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: ffffffffc06e5e20  RSP: ffffad70439fb9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8d5dfc32aab0  RCX: 0000000000000010
    RDX: ffff8d5dd8021400  RSI: 00000000b0000202  RDI: ffff8d5cc171f480
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8d5dd90c40c0  R11: ffff8d5dfff7e1a0  R12: ffff8d5ded970000
    R13: ffff8d5dcf240000  R14: ffff8d5ded970000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffad70439fb9d0] osd_bufs_put at ffffffffc1ddcd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffad70439fba18] ofd_release_chunk_lnb at ffffffffc2294652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffad70439fba40] ofd_commitrw_write at ffffffffc2281018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffad70439fbae0] ofd_commitrw at ffffffffc228857c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffad70439fbbb8] tgt_brw_write at ffffffffc15ee56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffad70439fbd78] tgt_handle_request0 at ffffffffc15e6d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffad70439fbda8] tgt_request_handle at ffffffffc15e89b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffad70439fbe28] ptlrpc_server_handle_request at ffffffffc14e09e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffad70439fbe90] ptlrpc_main at ffffffffc14e3c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffad70439fbf10] kthread at ffffffff9b757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffad70439fbf50] ret_from_fork at ffffffff9c6001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330