Re: [Libtirpc-devel] [PATCH 1/2] rpcb_clnt.c: memory leak in destroy_addr

[Steve Dickson <steved@redhat.com>]

On 8/1/23 10:42 AM, Steve Dickson wrote:
> From: Herb Wartens <wartens2@llnl.gov>
> 
> Null pointers so they are not used again
> 
> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2225226
> Signed-off-by: Steve Dickson <steved@redhat.com>
Committed... (tag: libtirpc-1-3-4-rc2)

steved
> ---
>   src/rpcb_clnt.c | 20 +++++++++++++++-----
>   1 file changed, 15 insertions(+), 5 deletions(-)
> 
> diff --git a/src/rpcb_clnt.c b/src/rpcb_clnt.c
> index d178d86..c0a9e12 100644
> --- a/src/rpcb_clnt.c
> +++ b/src/rpcb_clnt.c
> @@ -104,17 +104,27 @@ destroy_addr(addr)
>   {
>   	if (addr == NULL)
>   		return;
> -	if(addr->ac_host != NULL)
> +	if (addr->ac_host != NULL) {
>   		free(addr->ac_host);
> -	if(addr->ac_netid != NULL)
> +		addr->ac_host = NULL;
> +	}
> +	if (addr->ac_netid != NULL) {
>   		free(addr->ac_netid);
> -	if(addr->ac_uaddr != NULL)
> +		addr->ac_netid = NULL;
> +	}
> +	if (addr->ac_uaddr != NULL) {
>   		free(addr->ac_uaddr);
> -	if(addr->ac_taddr != NULL) {
> -		if(addr->ac_taddr->buf != NULL)
> +		addr->ac_uaddr = NULL;
> +	}
> +	if (addr->ac_taddr != NULL) {
> +		if(addr->ac_taddr->buf != NULL) {
>   			free(addr->ac_taddr->buf);
> +			addr->ac_taddr->buf = NULL;
> +		}
> +		addr->ac_taddr = NULL;
>   	}
>   	free(addr);
> +	addr = NULL;
>   }
>   
>   /*