Corpus for read$char_usb:
Coverage Program
615 fsopen-socket$inet6_udp-dup2-fsconfig$FSCONFIG_SET_BINARY-read$char_usb
488 perf_event_open-fsopen-socket$inet6_udp-dup2-fsconfig$FSCONFIG_SET_BINARY-read$char_usb
166 openat-fcntl$F_SET_FILE_RW_HINT-read$char_usb
123 openat$hwrng-read$char_usb