netdev - Re: [PATCH net-next] net: ipa: don't proceed to out-of-bound write

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Message-Id: <165301141326.6731.4497591034558946002.git-patchwork-notify@kernel.org>
Date:   Fri, 20 May 2022 01:50:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
        pabeni@...hat.com, elder@...nel.org
Subject: Re: [PATCH net-next] net: ipa: don't proceed to out-of-bound write

Hello:

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

On Wed, 18 May 2022 17:44:17 -0700 you wrote:
> GCC 12 seems upset that we check ipa_irq against array bound
> but then proceed, anyway:
> 
> drivers/net/ipa/ipa_interrupt.c: In function ‘ipa_interrupt_add’:
> drivers/net/ipa/ipa_interrupt.c:196:27: warning: array subscript 30 is above array bounds of ‘void (*[30])(struct ipa *, enum ipa_irq_id)’ [-Warray-bounds]
>   196 |         interrupt->handler[ipa_irq] = handler;
>       |         ~~~~~~~~~~~~~~~~~~^~~~~~~~~
> drivers/net/ipa/ipa_interrupt.c:42:27: note: while referencing ‘handler’
>    42 |         ipa_irq_handler_t handler[IPA_IRQ_COUNT];
>       |                           ^~~~~~~
> 
> [...]

Here is the summary with links:
  - [net-next] net: ipa: don't proceed to out-of-bound write
    https://git.kernel.org/netdev/net-next/c/1172aa6e4a19

You are awesome, thank you!
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