PID: 14968  TASK: ffff967607ebcf80  CPU: 0   COMMAND: "ll_ost_io00_007"
 #0 [ffffa85484ac7688] machine_kexec at ffffffff92e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa85484ac76e0] __crash_kexec at ffffffff9303e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa85484ac77a0] crash_kexec at ffffffff9303fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa85484ac77b8] oops_end at ffffffff92e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa85484ac77d8] no_context.cold.27 at ffffffff92ea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa85484ac7830] __bad_area_nosemaphore at ffffffff92ea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa85484ac7878] bad_area_nosemaphore at ffffffff92ea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa85484ac7880] do_user_addr_fault at ffffffff92ea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa85484ac78d0] __do_page_fault at ffffffff92ea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa85484ac78f0] do_page_fault at ffffffff92ea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa85484ac7920] page_fault at ffffffff93e00f8e
    /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: ffffffffc064de20  RSP: ffffa85484ac79d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff967611cc1c80  RCX: 0000000000000001
    RDX: ffff967605775c00  RSI: 00000000b0000202  RDI: ffff967709595000
    RBP: 0000000000000001   R8: 0000000000000029   R9: 000000000000000c
    R10: ffff967708cf4c00  R11: ffff96773fc10dd0  R12: ffff967741848000
    R13: ffff967739e20000  R14: ffff967741848000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa85484ac79d0] osd_bufs_put at ffffffffc1d3cd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa85484ac7a18] ofd_release_chunk_lnb at ffffffffc21f02c2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa85484ac7a40] ofd_commitrw_write at ffffffffc21dc3e8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffa85484ac7ae0] ofd_commitrw at ffffffffc21e39eb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffa85484ac7bb8] tgt_brw_write at ffffffffc155245c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa85484ac7d78] tgt_handle_request0 at ffffffffc154ac07 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa85484ac7da8] tgt_request_handle at ffffffffc154c8a5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa85484ac7e28] ptlrpc_server_handle_request at ffffffffc14449a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa85484ac7e90] ptlrpc_main at ffffffffc1447bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa85484ac7f10] kthread at ffffffff92f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa85484ac7f50] ret_from_fork at ffffffff93e001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330