r0 = add_key$keyring(&(0x7f0000000040), &(0x7f00000002c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffd)
keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000180)={r0}, &(0x7f0000000340)={'enc=', 'oaep', ' hash=', {'md4\x00'}}, 0x0, 0x0)