PID: 42083  TASK: ffff9463034c4f80  CPU: 1   COMMAND: "ll_ost_io00_005"
 #0 [ffffb13500dd3688] machine_kexec at ffffffffaea850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb13500dd36e0] __crash_kexec at ffffffffaec3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb13500dd37a0] crash_kexec at ffffffffaec3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb13500dd37b8] oops_end at ffffffffaea37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb13500dd37d8] no_context.cold.27 at ffffffffaeaa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb13500dd3830] __bad_area_nosemaphore at ffffffffaeaa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb13500dd3878] bad_area_nosemaphore at ffffffffaeaa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb13500dd3880] do_user_addr_fault at ffffffffaeaa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb13500dd38d0] __do_page_fault at ffffffffaeaa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb13500dd38f0] do_page_fault at ffffffffaeaa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb13500dd3920] page_fault at ffffffffafa00f8e
    /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: ffffffffc06cfe20  RSP: ffffb13500dd39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff946430b70390  RCX: 0000000000000007
    RDX: ffff94642320a200  RSI: 00000000b0000202  RDI: ffff946403653720
    RBP: 0000000000000007   R8: ffff94630137bf7d   R9: 0000000000000000
    R10: 00000000bd0eddfa  R11: ffff94630137c000  R12: ffff94640eb1a000
    R13: ffff94642e900000  R14: ffff94640eb1a000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb13500dd39d0] osd_bufs_put at ffffffffc1dc7d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb13500dd3a18] ofd_release_chunk_lnb at ffffffffc227f652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb13500dd3a40] ofd_commitrw_write at ffffffffc226c018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb13500dd3ae0] ofd_commitrw at ffffffffc227357c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb13500dd3bb8] tgt_brw_write at ffffffffc15d856c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb13500dd3d78] tgt_handle_request0 at ffffffffc15d0d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb13500dd3da8] tgt_request_handle at ffffffffc15d29b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb13500dd3e28] ptlrpc_server_handle_request at ffffffffc14ca9e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb13500dd3e90] ptlrpc_main at ffffffffc14cdc08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb13500dd3f10] kthread at ffffffffaeb57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb13500dd3f50] ret_from_fork at ffffffffafa001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330