netdev - Re: [Patch v2 net-next] call sk_dst_reset when set SO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20181207.161251.834180496910320804.davem@davemloft.net>
Date:   Fri, 07 Dec 2018 16:12:51 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     yupeng0921@...il.com
Cc:     netdev@...r.kernel.org, edumazet@...gle.com
Subject: Re: [Patch v2 net-next] call sk_dst_reset when set SO_DONTROUTE

From: yupeng <yupeng0921@...il.com>
Date: Wed,  5 Dec 2018 18:56:28 -0800

> after set SO_DONTROUTE to 1, the IP layer should not route packets if
> the dest IP address is not in link scope. But if the socket has cached
> the dst_entry, such packets would be routed until the sk_dst_cache
> expires. So we should clean the sk_dst_cache when a user set
> SO_DONTROUTE option. Below are server/client python scripts which
> could reprodue this issue:
 ...
> Signed-off-by: yupeng <yupeng0921@...il.com>

Applied.