On 2019-08-20 00:33:54, Wenwen Wang wrote:
> In ecryptfs_init_messaging(), if the allocation for 'ecryptfs_msg_ctx_arr'
> fails, the previously allocated 'ecryptfs_daemon_hash' is not deallocated,
> leading to a memory leak bug. To fix this issue, free
> 'ecryptfs_daemon_hash' before returning the error.
> 
> Signed-off-by: Wenwen Wang <wen...@cs.uga.edu>

Thanks for the patch!

I added the following tags to the commit message:

 Cc: sta...@vger.kernel.org
 Fixes: 88b4a07e6610 ("[PATCH] eCryptfs: Public key transport mechanism")

I also added the function name to the commit subject so that it was
unique from your other fix.

I've pushed the fix to the eCryptfs next branch and I'll submit a pull
request for inclusion soon.

Tyler

> ---
>  fs/ecryptfs/messaging.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
> index d668e60..c05ca39 100644
> --- a/fs/ecryptfs/messaging.c
> +++ b/fs/ecryptfs/messaging.c
> @@ -379,6 +379,7 @@ int __init ecryptfs_init_messaging(void)
>                                       * ecryptfs_message_buf_len),
>                                      GFP_KERNEL);
>       if (!ecryptfs_msg_ctx_arr) {
> +             kfree(ecryptfs_daemon_hash);
>               rc = -ENOMEM;
>               goto out;
>       }
> -- 
> 2.7.4
> 

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