r0 = add_key$keyring(&(0x7f0000000180), &(0x7f00000001c0)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f0000000500), &(0x7f0000000540)={'syz', 0x3}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000040), &(0x7f0000000100)={'syz', 0x1}, 0x0, 0x0, r1) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r2, 0x0, 0x0) keyctl$link(0x8, r1, r2)