Re: [PATCH] cxgb3: Avoid potential string truncation in desc

From: patchwork-bot+netdevbpf
Date: Wed Dec 13 2023 - 21:46:09 EST


Hello:

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

On Tue, 12 Dec 2023 14:09:57 -0800 you wrote:
> Builds with W=1 were warning about potential string truncations:
>
> drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c: In function 'cxgb_up':
> drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c:394:38: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size between 5 and 20 [-Wformat-truncation=]
> 394 | "%s-%d", d->name, pi->first_qset + i);
> | ^~
> In function 'name_msix_vecs',
> inlined from 'cxgb_up' at drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c:1264:3: drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c:394:34: note: directive argument in the range [-2147483641, 509]
> 394 | "%s-%d", d->name, pi->first_qset + i);
> | ^~~~~~~
> drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c:393:25: note: 'snprintf' output between 3 and 28 bytes into a destination of size 21
> 393 | snprintf(adap->msix_info[msi_idx].desc, n,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 394 | "%s-%d", d->name, pi->first_qset + i);
> | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> [...]

Here is the summary with links:
- cxgb3: Avoid potential string truncation in desc
https://git.kernel.org/netdev/net-next/c/bc044ae9d64b

You are awesome, thank you!
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