linux-kernel - Re: [PATCH] clk: tegra: do not overallocate memory for bpmp clocks

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Message-ID: <175848538794.4354.3781406261491074197@lazor>
Date: Sun, 21 Sep 2025 13:09:47 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Fedor Pchelkin <pchelkin@...ras.ru>, Peter De Schrijver <pdeschrijver@...dia.com>, Prashant Gaikwad <pgaikwad@...dia.com>, Thierry Reding <thierry.reding@...il.com>
Cc: Fedor Pchelkin <pchelkin@...ras.ru>, Michael Turquette <mturquette@...libre.com>, Jonathan Hunter <jonathanh@...dia.com>, Timo Alho <talho@...dia.com>, linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org
Subject: Re: [PATCH] clk: tegra: do not overallocate memory for bpmp clocks

Quoting Fedor Pchelkin (2025-04-26 05:54:28)
> struct tegra_bpmp::clocks is a pointer to a dynamically allocated array
> of pointers to 'struct tegra_bpmp_clk'.
> 
> But the size of the allocated area is calculated like it is an array
> containing actual 'struct tegra_bpmp_clk' objects - it's not true, there
> are just pointers.
> 
> Found by Linux Verification Center (linuxtesting.org) with Svace static
> analysis tool.
> 
> Fixes: 2db12b15c6f3 ("clk: tegra: Register clocks from root to leaf")
> Signed-off-by: Fedor Pchelkin <pchelkin@...ras.ru>
> ---

Applied to clk-next