r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
pipe(0x0)
r1 = getpid()
r2 = pidfd_open(r1, 0x0)
mount$9p_fd(0x0, &(0x7f0000000000)='./file1\x00', &(0x7f0000000040), 0x0, &(0x7f0000000140)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r2}})