r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x1}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000280), &(0x7f00000002c0)={'syz', 0x3}, 0x0, 0x0, r1) keyctl$restrict_keyring(0x1d, r2, &(0x7f0000000300)='.request_key_auth\x00', &(0x7f0000000340)='\\\x00')