Re: [PATCH v2 net] sctp: avoid NULL dereference when chunk data buffer is missing

[email protected] Thu, 23 Oct 2025 03:46:03 +0000

Newsgroups	org.kernel.vger.linux-sctp,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID	<176119116374.2145463.5595697305521112833.git-patchwork-notify@kernel.org>

Hello:

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

On Tue, 21 Oct 2025 16:00:36 +0300 you wrote:
> chunk->skb pointer is dereferenced in the if-block where it's supposed
> to be NULL only.
> 
> chunk->skb can only be NULL if chunk->head_skb is not. Check for frag_list
> instead and do it just before replacing chunk->skb. We're sure that
> otherwise chunk->skb is non-NULL because of outer if() condition.
> 
> [...]

Here is the summary with links:
  - [v2,net] sctp: avoid NULL dereference when chunk data buffer is missing
    https://git.kernel.org/netdev/net/c/441f0647f767

You are awesome, thank you!
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