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Re: [PATCH] commit-graph: fix memory leak




Hi,

This change looks good to me, and like good evidence for the benefits of
automated tooling :)

Thanks!
 - Emily

On Mon, May 06, 2019 at 02:36:58PM -0700, Josh Steadmon wrote:
> Free the commit graph when verify_commit_graph_lite() reports an error.
> Credit to OSS-Fuzz for finding this leak.
> 
> Signed-off-by: Josh Steadmon <steadmon@xxxxxxxxxx>
> ---
>  commit-graph.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/commit-graph.c b/commit-graph.c
> index 66865acbd7..4bce70d35c 100644
> --- a/commit-graph.c
> +++ b/commit-graph.c
> @@ -267,8 +267,10 @@ struct commit_graph *parse_commit_graph(void *graph_map, int fd,
>  		last_chunk_offset = chunk_offset;
>  	}
>  
> -	if (verify_commit_graph_lite(graph))
> +	if (verify_commit_graph_lite(graph)) {
> +		free(graph);
>  		return NULL;
> +	}
>  
>  	return graph;
>  }
> -- 
> 2.21.0.1020.gf2820cf01a-goog
>