r0 = add_key$keyring(&(0x7f0000001880), &(0x7f00000018c0)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffd)
keyctl$restrict_keyring(0x1d, r0, &(0x7f0000001940)='cifs.spnego\x00', &(0x7f0000001980)='ip6tnl0\x00')