Re: [PATCH] usbip: vhci_hcd: check port number before using

[Shuah Khan]

Hi Sudip,

On 10/08/2018 01:19 PM, Sudip Mukherjee wrote:
> From: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
> 
> The port number is checked and it just prints an error message but it
> still continues to use the invalid port. And as a result it accesses
> memory which is not its resulting in  BUG report from KASAN.

Yes there is an issue with out of bounds access. But this isn't the
right fix.

> 
> Reported-by: syzbot+600b03e0cf1b73bb23c4@xxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>

I sent in a fix for this last Friday.

https://patchwork.kernel.org/patch/10628833/

thanks,
-- Shuah