PID: 8087   TASK: ffff8923e51ea7c0  CPU: 0   COMMAND: "ll_ost_io00_002"
 #0 [ffff9b6c8423b688] machine_kexec at ffffffff944850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffff9b6c8423b6e0] __crash_kexec at ffffffff9463e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffff9b6c8423b7a0] crash_kexec at ffffffff9463fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffff9b6c8423b7b8] oops_end at ffffffff94437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffff9b6c8423b7d8] no_context.cold.27 at ffffffff944a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffff9b6c8423b830] __bad_area_nosemaphore at ffffffff944a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffff9b6c8423b878] bad_area_nosemaphore at ffffffff944a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffff9b6c8423b880] do_user_addr_fault at ffffffff944a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffff9b6c8423b8d0] __do_page_fault at ffffffff944a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffff9b6c8423b8f0] do_page_fault at ffffffff944a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffff9b6c8423b920] page_fault at ffffffff95400f8e
    /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: ffffffffc0616e20  RSP: ffff9b6c8423b9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8922c478c1c8  RCX: 0000000000000010
    RDX: ffff8923fc9b3400  RSI: 00000000b0000202  RDI: ffff8923ca0e0ce0
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8922c5a373c0  R11: ffff8923ffc778e8  R12: ffff8923f6550000
    R13: ffff8923f5400000  R14: ffff8923f6550000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffff9b6c8423b9d0] osd_bufs_put at ffffffffc1d10d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffff9b6c8423ba18] ofd_release_chunk_lnb at ffffffffc21c8652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffff9b6c8423ba40] ofd_commitrw_write at ffffffffc21b5018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffff9b6c8423bae0] ofd_commitrw at ffffffffc21bc57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffff9b6c8423bbb8] tgt_brw_write at ffffffffc155756c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffff9b6c8423bd78] tgt_handle_request0 at ffffffffc154fd17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffff9b6c8423bda8] tgt_request_handle at ffffffffc15519b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffff9b6c8423be28] ptlrpc_server_handle_request at ffffffffc14499e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffff9b6c8423be90] ptlrpc_main at ffffffffc144cc08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffff9b6c8423bf10] kthread at ffffffff94557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffff9b6c8423bf50] ret_from_fork at ffffffff954001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330