#include <stdlib.h>
#include <unistd.h>

int main() {
    fork();
    exit(0);
}

$ valgrind --track-origins=yes --leak-check=full --read-var-info=no --quiet ./a.out
UNKNOWN task message [id 3403, to mach_task_self(), reply 0x2603]




Reproducible: Always

Steps to Reproduce:
1. Compile program above
2. Run with command line given above
3.Expected:  no errors 
Actual Results:  
Warning:  UNKNOWN task message [id 3403, to mach_task_self(), reply 0x2603]


Expected Results:  
No output