Fix checking sscanf return value as the value can be 0 causing undefined behavior in snprintf #146
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PwnVerse
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Since device is taken as an argument (
argv[1]), in ofcpath.c, a seemingly malicious device for instance the string/pci@1f,0/pci@1/scsi@8/sd@0,0can cause sscanf to return 0 and in turn causepartto become negative in snprintf and cause undefined behaviour.