On Sun, Dec 10, 2017 at 8:55 PM, Eric Dumazet wrote:
>
> While rcvbuf is properly clamped by tcp_rmem[2], rcvwin
> is left to a potentially too big value.
>
> It has no serious effect, since :
> 1) tcp_grow_window() has very strict checks.
> 2) window_clamp can be mangled by user space to any valu
While rcvbuf is properly clamped by tcp_rmem[2], rcvwin
is left to a potentially too big value.
It has no serious effect, since :
1) tcp_grow_window() has very strict checks.
2) window_clamp can be mangled by user space to any value anyway.
tcp_init_buffer_space() and companions use tcp_full_spac