PID: 109025  TASK: ffff957348228000  CPU: 0   COMMAND: "ll_ost_io00_020"
 #0 [ffffafe442307688] machine_kexec at ffffffffa64850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffafe4423076e0] __crash_kexec at ffffffffa663e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffafe4423077a0] crash_kexec at ffffffffa663fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffafe4423077b8] oops_end at ffffffffa6437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffafe4423077d8] no_context.cold.27 at ffffffffa64a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffafe442307830] __bad_area_nosemaphore at ffffffffa64a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffafe442307878] bad_area_nosemaphore at ffffffffa64a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffafe442307880] do_user_addr_fault at ffffffffa64a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffafe4423078d0] __do_page_fault at ffffffffa64a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffafe4423078f0] do_page_fault at ffffffffa64a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffafe442307920] page_fault at ffffffffa7400f8e
    /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: ffffffffc06c1e20  RSP: ffffafe4423079d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff957463aa78f0  RCX: 0000000000000007
    RDX: ffff957342486e00  RSI: 00000000b0000202  RDI: ffff95745d151ce0
    RBP: 0000000000000007   R8: ffff9574597a1eb5   R9: 0000000000000000
    R10: 00000000be3f324f  R11: ffff9574597a2000  R12: ffff95744f85a000
    R13: ffff9573412e0000  R14: ffff95744f85a000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffafe4423079d0] osd_bufs_put at ffffffffc1db9d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffafe442307a18] ofd_release_chunk_lnb at ffffffffc2271652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffafe442307a40] ofd_commitrw_write at ffffffffc225e018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffafe442307ae0] ofd_commitrw at ffffffffc226557c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffafe442307bb8] tgt_brw_write at ffffffffc15ca56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffafe442307d78] tgt_handle_request0 at ffffffffc15c2d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffafe442307da8] tgt_request_handle at ffffffffc15c49b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffafe442307e28] ptlrpc_server_handle_request at ffffffffc14bc9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffafe442307e90] ptlrpc_main at ffffffffc14bfc08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffafe442307f10] kthread at ffffffffa6557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffafe442307f50] ret_from_fork at ffffffffa74001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330