Re: [PATCH v2 net] net/atm: fix slab-out-of-bounds read in vcc_setsockopt()

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:

On Wed,  5 Aug 2026 13:15:08 +0000 you wrote:
> vcc_setsockopt() contained an ineffective optlen check:
>   if (__SO_LEVEL_MATCH(optname, level) && optlen != __SO_SIZE(optname))
>       return -EINVAL;
> 
> If __SO_LEVEL_MATCH(optname, level) evaluated to false (e.g. if the caller
> passed a mismatched level), the length check optlen != __SO_SIZE(optname)
> was short-circuited and bypassed. Execution then fell through to switch(optname),
> calling copy_from_sockptr() assuming optval contained sufficient space.
> 
> [...]

Here is the summary with links:
  - [v2,net] net/atm: fix slab-out-of-bounds read in vcc_setsockopt()
    https://git.kernel.org/netdev/net/c/d0c80dbb9704

You are awesome, thank you!
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