Subject: Re: [PATCH net 1/2] can: gs_usb: fix use of uninitialized variable, detach device on reception of invalid USB data

From: [email-masked]
Date: Thu, 06 Jan 2022 01:20:09 +0000

Hello:

This series was applied to netdev/net.git (master)
by Marc Kleine-Budde <[email-masked]>:

On Wed,  5 Jan 2022 21:54:42 +0100 you wrote:
> The received data contains the channel the received data is associated
> with. If the channel number is bigger than the actual number of
> channels assume broken or malicious USB device and shut it down.
> 
> This fixes the error found by clang:
> 
> | drivers/net/can/usb/gs_usb.c:386:6: error: variable 'dev' is used
> |                                     uninitialized whenever 'if' condition is true
> |         if (hf->channel >= GS_MAX_INTF)
> |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
> | drivers/net/can/usb/gs_usb.c:474:10: note: uninitialized use occurs here
> |                           hf, dev->gs_hf_size, gs_usb_receive_bulk_callback,
> |                               ^~~
> 
> [...]

Here is the summary with links:
  - [net,1/2] can: gs_usb: fix use of uninitialized variable, detach device on reception of invalid USB data
    https://git.kernel.org/netdev/net/c/4a8737ff0687
  - [net,2/2] can: isotp: convert struct tpcon::{idx,len} to unsigned int
    https://git.kernel.org/netdev/net/c/5f33a09e769a

You are awesome, thank you!
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