r0 = openat$selinux_attr(0xffffffffffffff9c, &(0x7f0000001180)='/proc/self/attr/keycreate\x00', 0x2, 0x0)
pwritev(r0, &(0x7f0000000340)=[{&(0x7f00000002c0)='[', 0x1}], 0x1, 0x0, 0x0)