r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
fcntl$getown(0xffffffffffffffff, 0x9)
sched_setattr(0x0, &(0x7f0000000000)={0x38, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0)
writev(r1, 0x0, 0x0)