PID: 262485 TASK: ffff957b41348000 CPU: 3 COMMAND: "dd" #0 [ffffa0b1c7f73018] machine_kexec at ffffffffb4c850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffa0b1c7f73070] __crash_kexec at ffffffffb4e3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffa0b1c7f73130] crash_kexec at ffffffffb4e3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffa0b1c7f73148] oops_end at ffffffffb4c37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffa0b1c7f73168] no_context.cold.27 at ffffffffb4ca1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffa0b1c7f731c0] __bad_area_nosemaphore at ffffffffb4ca0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffa0b1c7f73208] bad_area_nosemaphore at ffffffffb4ca06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffa0b1c7f73210] do_kern_addr_fault at ffffffffb4ca0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffa0b1c7f73230] __do_page_fault at ffffffffb4ca15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffa0b1c7f73250] do_page_fault at ffffffffb4ca1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffa0b1c7f73280] page_fault at ffffffffb5c00f8e /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: ffffffffb5431c41 RSP: ffffa0b1c7f73330 RFLAGS: 00010282 RAX: ffff957b81ec0002 RBX: ffffa0b1c8140000 RCX: ffffa0b1c813fee0 RDX: ffffa0b1c8130010 RSI: 0000000000018fd6 RDI: 06abd152bb9873a7 RBP: ffff957b81eb0132 R8: 0000000000000ffe R9: 0000000000018fe8 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffa0b1c7f73390 R13: 0000000000004000 R14: ffffa0b1c8140000 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 [ffffa0b1c7f73388] lzo_compress at ffffffffb5386413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffa0b1c7f733a8] crypto_compress at ffffffffb5362e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffa0b1c7f733b0] compress_chunk at ffffffffc07a4650 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 412 #14 [ffffa0b1c7f733f0] compress_request at ffffffffc1097254 [osc] /home/green/git/lustre-release/lustre/osc/osc_compress.c: 434 #15 [ffffa0b1c7f73550] osc_brw_prep_request at ffffffffc108f5a8 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1678 #16 [ffffa0b1c7f736b0] osc_build_rpc at ffffffffc1093f93 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3118 #17 [ffffa0b1c7f73788] osc_check_rpcs at ffffffffc10c34f9 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2358 #18 [ffffa0b1c7f73808] __osc_io_unplug at ffffffffc10c37eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffa0b1c7f73828] osc_cache_writeback_range at ffffffffc10c77cd [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 637 #20 [ffffa0b1c7f73908] osc_io_fsync_start at ffffffffc10aed11 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1149 #21 [ffffa0b1c7f73950] cl_io_start at ffffffffc0783e65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffa0b1c7f73980] lov_io_call at ffffffffc114af81 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1519 #23 [ffffa0b1c7f739b0] lov_io_start at ffffffffc114e09b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffa0b1c7f739d0] cl_io_start at ffffffffc0783e65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffa0b1c7f73a00] cl_io_loop at ffffffffc078a532 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffa0b1c7f73a40] cl_sync_file_range at ffffffffc19bfd66 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffa0b1c7f73aa0] vvp_prune at ffffffffc1a41fcc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 151 #28 [ffffa0b1c7f73ac0] cl_object_prune at ffffffffc0777f3f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffa0b1c7f73ae8] ll_layout_lock_set at ffffffffc19c6e53 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffa0b1c7f73b68] ll_layout_refresh at ffffffffc19c77ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7141 #31 [ffffa0b1c7f73bc8] vvp_io_init at ffffffffc1a4199e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 2044 #32 [ffffa0b1c7f73c30] __cl_io_init at ffffffffc0787422 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffa0b1c7f73c60] cl_io_init at ffffffffc078759c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffa0b1c7f73c88] cl_io_rw_init at ffffffffc0787742 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffa0b1c7f73cc0] ll_file_io_generic at ffffffffc19b530a [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffa0b1c7f73db0] do_file_write_iter at ffffffffc19b6cf2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffa0b1c7f73e20] ll_file_write_iter at ffffffffc19b75ad [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffa0b1c7f73e38] new_sync_write at ffffffffb50cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffa0b1c7f73ec0] __vfs_write at ffffffffb50d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffa0b1c7f73ec8] vfs_write at ffffffffb50d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffa0b1c7f73ef8] ksys_write at ffffffffb50d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffa0b1c7f73f30] __x64_sys_write at ffffffffb50d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffa0b1c7f73f38] do_syscall_64 at ffffffffb4c04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffa0b1c7f73f50] entry_SYSCALL_64_after_hwframe at ffffffffb5c000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007effa7373688 RSP: 00007fff3f4922b8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effa7373688 RDX: 0000000000010000 RSI: 000055d97e7a3000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055d97e7a340e R10: 0000000000000000 R11: 0000000000000246 R12: 000055d97e7a3000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055d97e7a3000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b