From: David Miller <davem@davemloft.net>
To: raise.sail@gmail.com
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com,
panweiping3@gmail.com, bingtian.ly@taobao.com
Subject: Re: [PATCH net-next] avoid to hang up on sending since sysctl configuration overflow.
Date: Mon, 28 Jan 2013 23:16:23 -0500 (EST) [thread overview]
Message-ID: <20130128.231623.1606743073399806303.davem@davemloft.net> (raw)
In-Reply-To: <1359009328-24582-1-git-send-email-bingtian.ly@taobao.com>
From: Li Yu <raise.sail@gmail.com>
Date: Thu, 24 Jan 2013 14:35:28 +0800
> From: bingtian.ly@taobao.com
>
> I found if we write large than 4GB value to some sysctl variables,
> the sending syscall will hang up forever, because of these variables
> are 32 bits, such large value bring them overflow to 0 or negative.
>
> This patch try to fix overflow or prevent from zero value setup
> of below sysctl variables:
>
> net.core.wmem_default
> net.core.rmem_default
>
> net.core.rmem_max
> net.core.wmem_max
>
> net.ipv4.udp_rmem_min
> net.ipv4.udp_wmem_min
>
> net.ipv4.tcp_wmem
> net.ipv4.tcp_rmem
>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
> Signed-off-by: Li Yu <raise.sail@gmail.com>
Applied, thanks.
prev parent reply other threads:[~2013-01-29 4:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-24 6:35 [PATCH net-next] avoid to hang up on sending since sysctl configuration overflow Li Yu
2013-01-29 4:16 ` David Miller [this message]
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