Re: [PATCH V2] fix array-index-out-of-bounds in taprio_change

[Jakub Kicinski]

On Mon, 30 Aug 2021 11:30:06 +0000 patchwork-bot+netdevbpf@xxxxxxxxxx
wrote:
> Hello:
> 
> This patch was applied to netdev/net-next.git (refs/heads/master):
> 
> On Mon, 30 Aug 2021 11:47:01 +0800 you wrote:
> > From: Haimin Zhang <tcs_kernel@xxxxxxxxxxx>
> > 
> > syzbot report an array-index-out-of-bounds in taprio_change
> > index 16 is out of range for type '__u16 [16]'
> > that's because mqprio->num_tc is lager than TC_MAX_QUEUE,so we check
> > the return value of netdev_set_num_tc.
> > 
> > [...]  
> 
> Here is the summary with links:
>   - [V2] fix array-index-out-of-bounds in taprio_change
>     https://git.kernel.org/netdev/net-next/c/efe487fce306
> 
> You are awesome, thank you!

https://lore.kernel.org/netdev/20210830091046.610ceb1b@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/

Oh, well...