[PATCH] net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Thu Dec 16 12:51:40 PST 2021


Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem at davemloft.net>:

On Tue, 14 Dec 2021 19:10:09 +0000 you wrote:
> KASAN reports an out-of-bounds read in rk_gmac_setup on the line:
> 
> 	while (ops->regs[i]) {
> 
> This happens for most platforms since the regs flexible array member is
> empty, so the memory after the ops structure is being read here.  It
> seems that mostly this happens to contain zero anyway, so we get lucky
> and everything still works.
> 
> [...]

Here is the summary with links:
  - net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup
    https://git.kernel.org/netdev/net/c/0546b224cc77

You are awesome, thank you!
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