PID: 262303 TASK: ffff90fbb6b44f80 CPU: 2 COMMAND: "dd" #0 [ffffafd68313f078] machine_kexec at ffffffff8e8850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffafd68313f0d0] __crash_kexec at ffffffff8ea3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffafd68313f190] crash_kexec at ffffffff8ea3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffafd68313f1a8] oops_end at ffffffff8e837cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffafd68313f1c8] no_context.cold.27 at ffffffff8e8a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffafd68313f220] __bad_area_nosemaphore at ffffffff8e8a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffafd68313f268] bad_area_nosemaphore at ffffffff8e8a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffafd68313f270] do_kern_addr_fault at ffffffff8e8a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffafd68313f290] __do_page_fault at ffffffff8e8a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffafd68313f2b0] do_page_fault at ffffffff8e8a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffafd68313f2e0] page_fault at ffffffff8f800f8e /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236 [exception RIP: lzo1x_1_compress+465] RIP: ffffffff8f031c41 RSP: ffffafd68313f390 RFLAGS: 00010282 RAX: ffff90fbb61e0002 RBX: ffff90fbb46a0000 RCX: ffff90fbb469fee0 RDX: ffff90fbb4690010 RSI: 0000000000000fee RDI: 3412a7d71b6aa566 RBP: ffff90fbb61d0132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffafd68313f3f0 R13: 0000000000004000 R14: ffff90fbb46a0000 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/unaligned/access_ok.h: 50 #11 [ffffafd68313f3e8] lzo_compress at ffffffff8ef86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffafd68313f408] crypto_compress at ffffffff8ef62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffafd68313f410] compress_chunk at ffffffffc09a6c90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 311 #14 [ffffafd68313f450] compress_request at ffffffffc1295321 [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffafd68313f548] osc_brw_prep_request at ffffffffc128e42d [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1663 #16 [ffffafd68313f6b0] osc_build_rpc at ffffffffc1292dd3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3103 #17 [ffffafd68313f788] osc_check_rpcs at ffffffffc12c0169 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2300 #18 [ffffafd68313f808] __osc_io_unplug at ffffffffc12c045b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffafd68313f828] osc_cache_writeback_range at ffffffffc12c443d [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 603 #20 [ffffafd68313f908] osc_io_fsync_start at ffffffffc12abab1 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1147 #21 [ffffafd68313f950] cl_io_start at ffffffffc0986ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffafd68313f980] lov_io_call at ffffffffc1344ed1 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1483 #23 [ffffafd68313f9b0] lov_io_start at ffffffffc134804b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffafd68313f9d0] cl_io_start at ffffffffc0986ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffafd68313fa00] cl_io_loop at ffffffffc098d1a2 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffafd68313fa40] cl_sync_file_range at ffffffffc1bb6416 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffafd68313faa0] vvp_prune at ffffffffc1c3710c [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffafd68313fac0] cl_object_prune at ffffffffc097abaf [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffafd68313fae8] ll_layout_lock_set at ffffffffc1bbd513 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffafd68313fb68] ll_layout_refresh at ffffffffc1bbd7ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7140 #31 [ffffafd68313fbc8] vvp_io_init at ffffffffc1c36ade [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1937 #32 [ffffafd68313fc30] __cl_io_init at ffffffffc098a092 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffafd68313fc60] cl_io_init at ffffffffc098a20c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffafd68313fc88] cl_io_rw_init at ffffffffc098a3b2 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffafd68313fcc0] ll_file_io_generic at ffffffffc1bab9ba [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffafd68313fdb0] do_file_write_iter at ffffffffc1bad3a2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffafd68313fe20] ll_file_write_iter at ffffffffc1badc5d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffafd68313fe38] new_sync_write at ffffffff8eccd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffafd68313fec0] __vfs_write at ffffffff8ecd1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffafd68313fec8] vfs_write at ffffffff8ecd1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffafd68313fef8] ksys_write at ffffffff8ecd22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffafd68313ff30] __x64_sys_write at ffffffff8ecd23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffafd68313ff38] do_syscall_64 at ffffffff8e804641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffafd68313ff50] entry_SYSCALL_64_after_hwframe at ffffffff8f8000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f70b0120688 RSP: 00007fff81d6caf8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70b0120688 RDX: 0000000000010000 RSI: 000055ce2b425000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055ce2b42540e R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce2b425000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055ce2b425000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b