PID: 15359  TASK: ffff9077ca0a4f80  CPU: 1   COMMAND: "ll_ost_io00_008"
 #0 [ffffaba5849ef688] machine_kexec at ffffffff944850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaba5849ef6e0] __crash_kexec at ffffffff9463e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaba5849ef7a0] crash_kexec at ffffffff9463fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaba5849ef7b8] oops_end at ffffffff94437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaba5849ef7d8] no_context.cold.27 at ffffffff944a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaba5849ef830] __bad_area_nosemaphore at ffffffff944a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaba5849ef878] bad_area_nosemaphore at ffffffff944a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaba5849ef880] do_user_addr_fault at ffffffff944a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaba5849ef8d0] __do_page_fault at ffffffff944a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaba5849ef8f0] do_page_fault at ffffffff944a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaba5849ef920] page_fault at ffffffff95400f8e
    /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: ffffffffc088fe20  RSP: ffffaba5849ef9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9077d2b531d0  RCX: 0000000000000001
    RDX: ffff9077ca7b0000  RSI: 00000000b0000202  RDI: ffff9077d4cf7e40
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9078c773e780  R11: ffff9078c0000320  R12: ffff9078fe490000
    R13: ffff9078ff660000  R14: ffff9078fe490000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaba5849ef9d0] osd_bufs_put at ffffffffc1f8ad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaba5849efa18] ofd_release_chunk_lnb at ffffffffc2442712 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaba5849efa40] ofd_commitrw_write at ffffffffc242f0d8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffaba5849efae0] ofd_commitrw at ffffffffc243663c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffaba5849efbb8] tgt_brw_write at ffffffffc17d056c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffaba5849efd78] tgt_handle_request0 at ffffffffc17c8d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffaba5849efda8] tgt_request_handle at ffffffffc17ca9b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaba5849efe28] ptlrpc_server_handle_request at ffffffffc16c29e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaba5849efe90] ptlrpc_main at ffffffffc16c5c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaba5849eff10] kthread at ffffffff94557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaba5849eff50] ret_from_fork at ffffffff954001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330