Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <[email protected]>:
On Tue, 15 Sep 2026 14:30:50 -0300 you wrote:
> __vsock_net_mode_string() returns success without updating new_mode when
> the transfer length is zero. Its caller then reads the uninitialized enum
> and may permanently store a stack-derived value in the write-once child
> mode.
>
> Return before calling __vsock_net_mode_string() when *lenp is zero so
> that the helper is never invoked with nothing to parse and new_mode is
> never read uninitialized. This also prevents an empty write from
> locking the current mode.
>
> [...]
Here is the summary with links:
- [v3] vsock: ignore empty child namespace mode writes
https://git.kernel.org/netdev/net/c/2ec28c09b320
You are awesome, thank you!
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