r0 = add_key$keyring(&(0x7f0000000040), &(0x7f00000002c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f0000000080), &(0x7f00000000c0)={'syz', 0x0}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000100), &(0x7f0000000140)={'syz', 0x0}, 0x0, 0x0, r1) keyctl$search(0xa, r2, &(0x7f0000000180)='big_key\x00', &(0x7f00000001c0)={'syz', 0x0}, r0)