Re: [PATCH net-next v1 1/1] net: stmmac: Fix potential integer overflow

From: patchwork-bot+netdevbpf
Date: Fri Jun 11 2021 - 16:20:12 EST


Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Fri, 11 Jun 2021 17:02:38 +0800 you wrote:
> The commit d96febedfde2 ("net: stmmac: arrange Tx tail pointer update
> to stmmac_flush_tx_descriptors") introduced the following coverity
> warning:-
>
> 1. Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)
> overflow_before_widen: Potentially overflowing expression
> 'tx_q->cur_tx * desc_size' with type 'unsigned int' (32 bits,
> unsigned) is evaluated using 32-bit arithmetic, and then used in a
> context that expects an expression of type dma_addr_t (64 bits,
> unsigned).
>
> [...]

Here is the summary with links:
- [net-next,v1,1/1] net: stmmac: Fix potential integer overflow
https://git.kernel.org/netdev/net-next/c/52e597d3e2e6

You are awesome, thank you!
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