PID: 16500  TASK: ffff958c81484f80  CPU: 3   COMMAND: "ll_ost_io00_009"
 #0 [ffffaee24489f688] machine_kexec at ffffffff934850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaee24489f6e0] __crash_kexec at ffffffff9363e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaee24489f7a0] crash_kexec at ffffffff9363fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaee24489f7b8] oops_end at ffffffff93437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaee24489f7d8] no_context.cold.27 at ffffffff934a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaee24489f830] __bad_area_nosemaphore at ffffffff934a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaee24489f878] bad_area_nosemaphore at ffffffff934a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaee24489f880] do_user_addr_fault at ffffffff934a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaee24489f8d0] __do_page_fault at ffffffff934a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaee24489f8f0] do_page_fault at ffffffff934a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaee24489f920] page_fault at ffffffff94400f8e
    /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: ffffffffc07a1e20  RSP: ffffaee24489f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff958b85a88e40  RCX: 0000000000000001
    RDX: ffff958b8b806a00  RSI: 00000000b0000202  RDI: ffff958cc0a2c860
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff958c82f389c0  R11: ffff958cb1f1fd90  R12: ffff958c8fdb4000
    R13: ffff958cc0420000  R14: ffff958c8fdb4000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaee24489f9d0] osd_bufs_put at ffffffffc1e93d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaee24489fa18] ofd_release_chunk_lnb at ffffffffc2347012 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaee24489fa40] ofd_commitrw_write at ffffffffc23333b8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffaee24489fae0] ofd_commitrw at ffffffffc233a9bb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffaee24489fbb8] tgt_brw_write at ffffffffc16de44c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffaee24489fd78] tgt_handle_request0 at ffffffffc16d6bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffaee24489fda8] tgt_request_handle at ffffffffc16d8895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaee24489fe28] ptlrpc_server_handle_request at ffffffffc15d09a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaee24489fe90] ptlrpc_main at ffffffffc15d3bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaee24489ff10] kthread at ffffffff93557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaee24489ff50] ret_from_fork at ffffffff944001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330