r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff)
keyctl$restrict_keyring(0x1d, r0, &(0x7f0000000080)='id_legacy\x00', &(0x7f00000000c0)='$/\x00')