Re: [PATCH net-next v2] crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)

From: patchwork-bot+netdevbpf
Date: Tue Jun 20 2023 - 15:20:28 EST


Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Fri, 16 Jun 2023 12:10:32 +0100 you wrote:
> If an AF_ALG socket bound to a hashing algorithm is sent a zero-length
> message with MSG_MORE set and then recvmsg() is called without first
> sending another message without MSG_MORE set to end the operation, an oops
> will occur because the crypto context and result doesn't now get set up in
> advance because hash_sendmsg() now defers that as long as possible in the
> hope that it can use crypto_ahash_digest() - and then because the message
> is zero-length, it the data wrangling loop is skipped.
>
> [...]

Here is the summary with links:
- [net-next,v2] crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)
https://git.kernel.org/netdev/net-next/c/b6d972f68983

You are awesome, thank you!
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