PID: 98435  TASK: ffff93e1b8714f80  CPU: 3   COMMAND: "ll_ost_io00_015"
 #0 [ffffa59c80e2b688] machine_kexec at ffffffff962850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa59c80e2b6e0] __crash_kexec at ffffffff9643e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa59c80e2b7a0] crash_kexec at ffffffff9643fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa59c80e2b7b8] oops_end at ffffffff96237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa59c80e2b7d8] no_context.cold.27 at ffffffff962a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa59c80e2b830] __bad_area_nosemaphore at ffffffff962a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa59c80e2b878] bad_area_nosemaphore at ffffffff962a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa59c80e2b880] do_user_addr_fault at ffffffff962a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa59c80e2b8d0] __do_page_fault at ffffffff962a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa59c80e2b8f0] do_page_fault at ffffffff962a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa59c80e2b920] page_fault at ffffffff97200f8e
    /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: ffffffffc08eae20  RSP: ffffa59c80e2b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff93e08b8ca720  RCX: 0000000000000007
    RDX: ffff93e1b5a4e800  RSI: 00000000b0000202  RDI: ffff93e18ad266a0
    RBP: 0000000000000007   R8: ffff93e1a7d69e4e   R9: 0000000000000000
    R10: 00000000c1fd9952  R11: ffff93e1a7d6a000  R12: ffff93e19e510000
    R13: ffff93e1a1fe0000  R14: ffff93e19e510000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa59c80e2b9d0] osd_bufs_put at ffffffffc1fddd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa59c80e2ba18] ofd_release_chunk_lnb at ffffffffc2490db2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa59c80e2ba40] ofd_commitrw_write at ffffffffc247d708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa59c80e2bae0] ofd_commitrw at ffffffffc2484ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa59c80e2bbb8] tgt_brw_write at ffffffffc17f051c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa59c80e2bd78] tgt_handle_request0 at ffffffffc17e8cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa59c80e2bda8] tgt_request_handle at ffffffffc17ea965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa59c80e2be28] ptlrpc_server_handle_request at ffffffffc16e29a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa59c80e2be90] ptlrpc_main at ffffffffc16e5bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa59c80e2bf10] kthread at ffffffff96357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa59c80e2bf50] ret_from_fork at ffffffff972001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330