sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)={0x3c, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}}, 0x0) syz_mount_image$iso9660(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='nfs\x00', 0x0, &(0x7f00000000c0)='\x03')