第一步鑽漏洞就卡住了，出現以下訊息，怎解決啊
LG V20 H990N ROOT馱撿眳菴1祭:郰穢韌
SAILOR-HB犖趙党蜊
泃赽華硊: http://bbs.gfan.com/android-9163590-1-1.html
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淏婓酕袧掘馱釬 (淏婓砃忒儂楷冞斛掘恅璃).....
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C:\adb>adb push dirtysanta /storage/emulated/0
1174 KB/s (18760 bytes in 0.015s)

C:\adb>adb push aboot.img /storage/emulated/0
1411 KB/s (2097152 bytes in 1.450s)

C:\adb>adb push dirtycow /data/local/tmp
cannot stat 'dirtycow': No such file or directory

C:\adb>adb push my-run-as /data/local/tmp
863 KB/s (13796 bytes in 0.015s)

C:\adb>adb shell chmod 0777 /data/local/tmp/*
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淏婓郰穢韌(1) (淏婓蛁run-as).....
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C:\adb>adb shell /data/local/tmp/dirtycow /system/bin/run-as /data/local/tmp/my-
run-as
/system/bin/sh: /data/local/tmp/dirtycow: not found
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淏婓郰穢韌(2) (淏婓蛁applypatch).....
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C:\adb>adb shell /data/local/tmp/dirtycow /system/bin/applypatch /data/local/tmp
/dirtycow
/system/bin/sh: /data/local/tmp/dirtycow: not found
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郰韌俇救!婓狟源怀狟醱謗跺韜鍔,藩跺韜鍔怀俇綴偌隙陬.
菴1跺韜鍔: run-as con
菴2跺韜鍔: chmod 0777 /sdcard/*
蛁砩:菴1跺韜鍔硒俴俇眳綴,嫖梓醱茼蜆曹傖#瘍,祥岆寀笭陔婬懂勘.
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C:\adb>adb shell
elsa:/ $