Re: [PATCH v2] net/mlx5: Fix use-after-free

[David Miller]

From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>
Date: Thu, 22 Mar 2018 13:44:56 -0500

> _rule_ is being freed and then dereferenced by accessing rule->ctx
> 
> Fix this by copying the value returned by PTR_ERR(rule->ctx) into a local
> variable for its safe use after freeing _rule_
> 
> Addresses-Coverity-ID: 1466041 ("Read from pointer after free")
> Fixes: 05564d0ae075 ("net/mlx5: Add flow-steering commands for FPGA IPSec implementation")
> Reviewed-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> ---
> Changes in v2:
>  - Use a short subject prefix as suggested by Yuval Shaia.
>  - Add Yuval's Reviewed-by.

Applied to net-next.

Thank you.