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

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Fri Jun 11 13:20:08 PDT 2021


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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