Re: [PATCH net-next v4] sctp: auth: propagate HMAC calculation errors to callers

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Fri,  7 Aug 2026 14:43:14 +0800 you wrote:
> From: Qing Luo <luoqing@xxxxxxxxxx>
> 
> sctp_auth_calculate_hmac() can fail when building the association secret
> under memory pressure, but its void return silently leaves the HMAC digest
> zeroed.  On the receive path, sctp_sf_authenticate() compares this zeroed
> digest against the peer-supplied one using crypto_memneq(), potentially
> accepting an all-zero HMAC from the peer if the allocation failed.  On the
> send path, sctp_packet_pack() transmits a packet with a zeroed HMAC that
> the peer would reject.
> 
> [...]

Here is the summary with links:
  - [net-next,v4] sctp: auth: propagate HMAC calculation errors to callers
    https://git.kernel.org/netdev/net-next/c/5d3ae80ecdde

You are awesome, thank you!
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