r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
syz_io_uring_setup(0x0, &(0x7f0000000040), &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffa000/0x4000)=nil, 0x0, 0x0)
pidfd_send_signal(r1, 0x0, &(0x7f0000000000)={0x0, 0x0, 0x20}, 0x0)