r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r0, 0x0)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/tcp6\x00')
pread64(r1, &(0x7f0000000140)=""/74, 0x4a, 0x80000)