netdev - Re: [PATCH] [v4] net/mlx5: fix possible stack overflows

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Date: Thu, 11 Apr 2024 03:10:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Arnd Bergmann <arnd@...nel.org>
Cc: saeedm@...dia.com, leon@...nel.org, tariqt@...dia.com, arnd@...db.de,
 horms@...nel.org, jiri@...dia.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, kliteyn@...dia.com, valex@...dia.com,
 jiri@...nulli.us, netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [v4] net/mlx5: fix possible stack overflows

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Mon,  8 Apr 2024 09:41:10 +0200 you wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> A couple of debug functions use a 512 byte temporary buffer and call another
> function that has another buffer of the same size, which in turn exceeds the
> usual warning limit for excessive stack usage:
> 
> drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c:1073:1: error: stack frame size (1448) exceeds limit (1024) in 'dr_dump_start' [-Werror,-Wframe-larger-than]
> dr_dump_start(struct seq_file *file, loff_t *pos)
> drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c:1009:1: error: stack frame size (1120) exceeds limit (1024) in 'dr_dump_domain' [-Werror,-Wframe-larger-than]
> dr_dump_domain(struct seq_file *file, struct mlx5dr_domain *dmn)
> drivers/net/ethernet/mellanox/mlx5/core/steering/dr_dbg.c:705:1: error: stack frame size (1104) exceeds limit (1024) in 'dr_dump_matcher_rx_tx' [-Werror,-Wframe-larger-than]
> dr_dump_matcher_rx_tx(struct seq_file *file, bool is_rx,
> 
> [...]

Here is the summary with links:
  - [v4] net/mlx5: fix possible stack overflows
    https://git.kernel.org/netdev/net/c/fe87922cee61

You are awesome, thank you!
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