Re: [PATCH] net: macsec: fix potential resource leak in macsec_add_rxsa() and macsec_add_txsa()

From: patchwork-bot+netdevbpf
Date: Mon Jul 25 2022 - 07:00:22 EST


Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Fri, 22 Jul 2022 17:29:02 +0800 you wrote:
> init_rx_sa() allocates relevant resource for rx_sa->stats and rx_sa->
> key.tfm with alloc_percpu() and macsec_alloc_tfm(). When some error
> occurs after init_rx_sa() is called in macsec_add_rxsa(), the function
> released rx_sa with kfree() without releasing rx_sa->stats and rx_sa->
> key.tfm, which will lead to a resource leak.
>
> We should call macsec_rxsa_put() instead of kfree() to decrease the ref
> count of rx_sa and release the relevant resource if the refcount is 0.
> The same bug exists in macsec_add_txsa() for tx_sa as well. This patch
> fixes the above two bugs.
>
> [...]

Here is the summary with links:
- net: macsec: fix potential resource leak in macsec_add_rxsa() and macsec_add_txsa()
https://git.kernel.org/netdev/net/c/c7b205fbbf3c

You are awesome, thank you!
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