netdev - Re: [PATCH net] ice: Fix undersized tx

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]

Date: Mon, 8 May 2023 21:08:22 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Tony Nguyen <anthony.l.nguyen@...el.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
	edumazet@...gle.com, netdev@...r.kernel.org,
	Jan Sokolowski <jan.sokolowski@...el.com>,
	maciej.fijalkowski@...el.com, daniel@...earbox.net,
	Alexander Lobakin <aleksander.lobakin@...el.com>,
	Michal Schmidt <mschmidt@...hat.com>,
	Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com>
Subject: Re: [PATCH net] ice: Fix undersized tx_flags variable

On Mon, May 08, 2023 at 10:42:25AM -0700, Tony Nguyen wrote:
> From: Jan Sokolowski <jan.sokolowski@...el.com>
> 
> As not all ICE_TX_FLAGS_* fit in current 16-bit limited
> tx_flags field, some VLAN-related flags would not properly apply.
> 
> Fix that by refactoring tx_flags variable into flags only and
> a separate variable that holds VLAN ID. As there is some space left,
> type variable can fit between those two. Pahole reports no size
> change to ice_tx_buf struct.
> 
> Fixes: aa1d3faf71a6 ("ice: Robustify cleaning/completing XDP Tx buffers")
> Signed-off-by: Jan Sokolowski <jan.sokolowski@...el.com>
> Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> Tested-by: Michal Schmidt <mschmidt@...hat.com>
> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com> (A Contingent worker at Intel)
> Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>