r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = dup(r0)
write$P9_RGETLOCK(r1, &(0x7f0000000000)={0x21, 0x37, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3, '*%-'}}, 0x21)