r0 = add_key$user(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, &(0x7f0000001100)="cc", 0x1, 0xffffffffffffffff)
stat(&(0x7f0000001cc0)='.\x00', &(0x7f0000001c00)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setreuid(0x0, r1)
keyctl$chown(0x4, r0, r1, 0x0)