PID: 6705   TASK: ffff9ae2fb3f0000  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffffa806c191f678] machine_kexec at ffffffff922850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa806c191f6d0] __crash_kexec at ffffffff9243e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa806c191f790] crash_kexec at ffffffff9243fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa806c191f7a8] oops_end at ffffffff92237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa806c191f7c8] no_context.cold.27 at ffffffff922a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa806c191f820] __bad_area_nosemaphore at ffffffff922a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa806c191f868] bad_area_nosemaphore at ffffffff922a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa806c191f870] do_user_addr_fault at ffffffff922a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa806c191f8c0] __do_page_fault at ffffffff922a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa806c191f8e0] do_page_fault at ffffffff922a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa806c191f910] page_fault at ffffffff93200f8e
    /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: ffffffffc0741e20  RSP: ffffa806c191f9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9ae2f7f5f560  RCX: 0000000000000002
    RDX: ffff9ae2c8c5b800  RSI: 00000000b0000202  RDI: ffff9ae1c13637c0
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9ae2c4c30d80  R11: ffff9ae2cef78480  R12: ffff9ae2f3acc000
    R13: ffff9ae2fb5a0000  R14: ffff9ae2f3acc000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa806c191f9c0] osd_bufs_put at ffffffffc1e32d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa806c191fa08] ofd_release_chunk_lnb at ffffffffc22e6882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa806c191fa30] ofd_commitrw_write at ffffffffc22d2376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffa806c191fad0] ofd_commitrw at ffffffffc22da07c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffa806c191fba8] tgt_brw_write at ffffffffc1645588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffa806c191fd78] tgt_handle_request0 at ffffffffc163dbf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffa806c191fda8] tgt_request_handle at ffffffffc163f895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa806c191fe28] ptlrpc_server_handle_request at ffffffffc15379a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa806c191fe90] ptlrpc_main at ffffffffc153abc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa806c191ff10] kthread at ffffffff92357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa806c191ff50] ret_from_fork at ffffffff932001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330