r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='mountinfo\x00')
r1 = getpgrp(0x0)
r2 = pidfd_open(r1, 0x0)
r3 = dup(r2)
dup2(r3, r0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
pidfd_send_signal(r0, 0x0, 0x0, 0x0)