setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x0, 0x0, 0x0) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(0xffffffffffffffff, 0x80089419, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_HEADER={0x4}]}, 0x18}}, 0x0)