r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NL80211_CMD_REQ_SET_REG(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NL80211_ATTR_REG_ALPHA2={0x6, 0x21, 'a\x00'}]}, 0x1c}}, 0x0)