netdev - Re: [PATCH net] net: libwx: fix the creation of page

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

Message-ID: <20250625165034.GG1562@horms.kernel.org>
Date: Wed, 25 Jun 2025 17:50:34 +0100
From: Simon Horman <horms@...nel.org>
To: Jiawen Wu <jiawenwu@...stnetic.com>
Cc: netdev@...r.kernel.org, andrew+netdev@...n.ch, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	mengyuanlou@...-swift.com, duanqiangwen@...-swift.com,
	stable@...r.kernel.org
Subject: Re: [PATCH net] net: libwx: fix the creation of page_pool

On Wed, Jun 25, 2025 at 10:39:24AM +0800, Jiawen Wu wrote:
> 'rx_ring->size' means the count of ring descriptors multiplied by the
> size of one descriptor. When increasing the count of ring descriptors,
> it may exceed the limit of pool size.
> 
> [ 864.209610] page_pool_create_percpu() gave up with errno -7
> [ 864.209613] txgbe 0000:11:00.0: Page pool creation failed: -7
> 
> Fix to set the pool_size to the count of ring descriptors.
> 
> Fixes: 850b971110b2 ("net: libwx: Allocate Rx and Tx resources")
> Cc: stable@...r.kernel.org
> Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>

Reviewed-by: Simon Horman <horms@...nel.org>