// Adapted semantic slice of gst/subparse/samiparse.c parse_lrc from
// GStreamer revision a8f8bbef99e28bbf62aeaa774814b5c3a665e9d6.
#include <cstring>

char parsePayload(char* line) {
    char* start = std::strchr(line, ']');
    // The upstream vulnerable path used start in pointer arithmetic and start + 1.
    return start[1];
}

int main() {
    char line[] = "missing close bracket";
    return parsePayload(line);
}