r0 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffe) r1 = add_key$keyring(&(0x7f0000000300), &(0x7f0000000340)={'syz', 0x2}, 0x0, 0x0, r0) keyctl$restrict_keyring(0xf, r1, 0x0, 0x0)