linux-kernel - Re: [PATCH bpf 0/6] Address XDP frags having negative tailroom

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: <20260204172320.0cf0259c@kernel.org>
Date: Wed, 4 Feb 2026 17:23:20 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Larysa Zaremba <larysa.zaremba@...el.com>
Cc: Martin KaFai Lau <martin.lau@...ux.dev>, bpf@...r.kernel.org, Claudiu
 Manoil <claudiu.manoil@....com>, Vladimir Oltean <vladimir.oltean@....com>,
 Wei Fang <wei.fang@....com>, Clark Wang <xiaoning.wang@....com>, Andrew
 Lunn <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Tony Nguyen
 <anthony.l.nguyen@...el.com>, Przemek Kitszel
 <przemyslaw.kitszel@...el.com>, Alexei Starovoitov <ast@...nel.org>, Daniel
 Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>,
 John Fastabend <john.fastabend@...il.com>, Stanislav Fomichev
 <sdf@...ichev.me>, Andrii Nakryiko <andrii@...nel.org>, Eduard Zingerman
 <eddyz87@...il.com>, Song Liu <song@...nel.org>, Yonghong Song
 <yonghong.song@...ux.dev>, KP Singh <kpsingh@...nel.org>, Hao Luo
 <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>, Simon Horman
 <horms@...nel.org>, Shuah Khan <shuah@...nel.org>, Alexander Lobakin
 <aleksander.lobakin@...el.com>, Maciej Fijalkowski
 <maciej.fijalkowski@...el.com>, "Bastien Curutchet (eBPF Foundation)"
 <bastien.curutchet@...tlin.com>, Tushar Vyavahare
 <tushar.vyavahare@...el.com>, Jason Xing <kernelxing@...cent.com>, "Ricardo
 B. Marlière" <rbm@...e.com>, Eelco Chaudron
 <echaudro@...hat.com>, Lorenzo Bianconi <lorenzo@...nel.org>, Toke
 Hoiland-Jorgensen <toke@...hat.com>, imx@...ts.linux.dev,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 intel-wired-lan@...ts.osuosl.org, linux-kselftest@...r.kernel.org,
 Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Subject: Re: [PATCH bpf 0/6] Address XDP frags having negative tailroom

On Wed, 4 Feb 2026 14:57:13 -0800 Martin KaFai Lau wrote:
> On 2/3/26 2:53 AM, Larysa Zaremba wrote:
> > Larysa Zaremba (6):
> >    xdp: produce a warning when calculated tailroom is negative
> >    ice: fix rxq info registering in mbuf packets
> >    ice: change XDP RxQ frag_size from DMA write length to truesize
> >    i40e: use truesize as XDP RxQ info frag_size
> >    idpf: use truesize as XDP RxQ info frag_size
> >    net: enetc: use truesize as XDP RxQ info frag_size
>
> Jakub, can you help to take it to the net tree? Thanks.

Will do. I think I also have some questions, first, tho :)