On Sun, Nov 05, 2023 at 11:56:00AM -0800, Maciej Żenczykowski wrote:
> From: Maciej Żenczykowski <zenczykowski@xxxxxxxxx>
>
> in6_pton() supports 'low-32-bit dot-decimal representation'
> (this is useful with DNS64/NAT64 networks for example):
>
> # echo +aaaa:bbbb:cccc:dddd:eeee:ffff:1.2.3.4 > /proc/self/net/xt_recent/DEFAULT
> # cat /proc/self/net/xt_recent/DEFAULT
> src=aaaa:bbbb:cccc:dddd:eeee:ffff:0102:0304 ttl: 0 last_seen: 9733848829 oldest_pkt: 1 9733848829
>
> but the provided buffer is too short:
>
> # echo +aaaa:bbbb:cccc:dddd:eeee:ffff:255.255.255.255 > /proc/self/net/xt_recent/DEFAULT
> -bash: echo: write error: Invalid argument
>
> Cc: Jan Engelhardt <jengelh@xxxxxxx>
> Cc: Patrick McHardy <kaber@xxxxxxxxx>
> Fixes: 079aa88fe717 ("netfilter: xt_recent: IPv6 support")
> Signed-off-by: Maciej Żenczykowski <zenczykowski@xxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
