netdev - Re: [PATCH bpf] bpf, test_run: Fix LIVE_FRAME frame update after a page has been recycled

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Message-Id: 
 <173038863101.1997785.11856320294725217143.git-patchwork-notify@kernel.org>
Date: Thu, 31 Oct 2024 15:30:31 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Toke Høiland-Jørgensen <toke@...hat.com>@codeaurora.org
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 hawk@...nel.org, aleksander.lobakin@...el.com, bpf@...r.kernel.org,
 netdev@...r.kernel.org, syzbot+d121e098da06af416d23@...kaller.appspotmail.com
Subject: Re: [PATCH bpf] bpf, test_run: Fix LIVE_FRAME frame update after a
 page has been recycled

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Wed, 30 Oct 2024 11:48:26 +0100 you wrote:
> The test_run code detects whether a page has been modified and
> re-initialises the xdp_frame structure if it has, using
> xdp_update_frame_from_buff(). However, xdp_update_frame_from_buff()
> doesn't touch frame->mem, so that wasn't correctly re-initialised, which
> led to the pages from page_pool not being returned correctly. Syzbot
> noticed this as a memory leak.
> 
> [...]

Here is the summary with links:
  - [bpf] bpf, test_run: Fix LIVE_FRAME frame update after a page has been recycled
    https://git.kernel.org/bpf/bpf/c/c40dd8c47325

You are awesome, thank you!
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