Re: [PATCH v2] net: hamradio: 6pack: fix uninit-value in sixpack_receive_buf

[email protected] Fri, 10 Apr 2026 22:30:05 +0000

Newsgroups	org.kernel.vger.linux-hams,org.kernel.vger.netdev,org.kernel.vger.stable
Message-ID	<177586020555.2666311.14018722379357062077.git-patchwork-notify@kernel.org>

Hello:

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

On Wed,  8 Apr 2026 01:31:01 +0800 you wrote:
> sixpack_receive_buf() does not properly skip bytes with TTY error flags.
> The while loop iterates through the flags buffer but never advances the
> data pointer (cp), and passes the original count (including error bytes)
> to sixpack_decode(). This causes sixpack_decode() to process bytes that
> should have been skipped due to TTY errors.  The TTY layer does not
> guarantee that cp[i] holds a meaningful value when fp[i] is set, so
> passing those positions to sixpack_decode() results in KMSAN reporting
> an uninit-value read.
> 
> [...]

Here is the summary with links:
  - [v2] net: hamradio: 6pack: fix uninit-value in sixpack_receive_buf
    https://git.kernel.org/netdev/net/c/bf9a38803b26

You are awesome, thank you!
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