linux-kernel - Re: [PATCH bpf 0/2] Fix some corner cases in xskxceiver

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Message-ID: <CAADnVQLszbJ=dMjmAVkj1zGBPhhopU7XHH6bc1UHEemXwbgxzQ@mail.gmail.com>
Date: Fri, 6 Feb 2026 09:39:16 -0800
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Larysa Zaremba <larysa.zaremba@...el.com>
Cc: bpf <bpf@...r.kernel.org>, Andrii Nakryiko <andrii@...nel.org>, 
	Eduard Zingerman <eddyz87@...il.com>, Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>, 
	Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Jesper Dangaard Brouer <hawk@...nel.org>, Maciej Fijalkowski <maciej.fijalkowski@...el.com>, 
	"Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>, 
	Aleksandr Loktionov <aleksandr.loktionov@...el.com>, 
	Tushar Vyavahare <tushar.vyavahare@...el.com>, Ricardo B. Marlière <rbm@...e.com>, 
	Jason Xing <kernelxing@...cent.com>, Magnus Karlsson <magnus.karlsson@...el.com>, 
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, 
	Network Development <netdev@...r.kernel.org>, Alexander Lobakin <aleksander.lobakin@...el.com>
Subject: Re: [PATCH bpf 0/2] Fix some corner cases in xskxceiver

On Tue, Feb 3, 2026 at 8:18 AM Larysa Zaremba <larysa.zaremba@...el.com> wrote:
>
> While working on XDP and AF_XDP support for ixgbevf driver,
> I came across two distinct problems that caused tests to fail
> when they shouldn't have.

Applied.

What is the status of kernel side fixes?

Running test_xsk.sh I see plenty of

[   93.609026] BUG: Bad page state in process xskxceiver  pfn:115920
...
[   93.633927]  bad_page.cold+0xd0/0x140
[   93.633929]  __free_frozen_pages+0x85a/0x1150
[   93.633935]  bpf_xdp_adjust_tail+0x808/0x1120