r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @loopback}, 0x1c)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev}, 0x1c)
r2 = syz_open_procfs(0x0, &(0x7f00000030c0)='net/udp6\x00')
preadv(r2, &(0x7f0000000200)=[{&(0x7f00000002c0)=""/204, 0xcc}, {&(0x7f0000000240)=""/127, 0x7f}], 0x2, 0x0, 0x0)