r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$NL80211_CMD_REQ_SET_REG(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x1, 0x0, 0x0, {{0x1a}}, [@NL80211_ATTR_REG_ALPHA2={0x7, 0x21, 'aa\x00'}]}, 0x1c}}, 0x0)