r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff)
keyctl$revoke(0x3, r0)
request_key(&(0x7f0000000200)='dns_resolver\x00', &(0x7f0000000240)={'syz', 0x1}, 0x0, 0x0)