On Fri, Nov 22, 2019 at 04:09:55PM -0600, Navid Emamdoost wrote:
> In the implementation of sync_file_merge() the allocated sync_file is
> leaked if number of fences overflows. Release sync_file by goto err.
> 
> Fixes: a02b9dc90d84 ("dma-buf/sync_file: refactor fence storage in struct 
> sync_file")
> Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>

Thanks for your patch, applied with a cc:stable.
-Daniel

> ---
>  drivers/dma-buf/sync_file.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c
> index 25c5c071645b..91185db9a952 100644
> --- a/drivers/dma-buf/sync_file.c
> +++ b/drivers/dma-buf/sync_file.c
> @@ -221,7 +221,7 @@ static struct sync_file *sync_file_merge(const char 
> *name, struct sync_file *a,
>       a_fences = get_fences(a, &a_num_fences);
>       b_fences = get_fences(b, &b_num_fences);
>       if (a_num_fences > INT_MAX - b_num_fences)
> -             return NULL;
> +             goto err;
>  
>       num_fences = a_num_fences + b_num_fences;
>  
> -- 
> 2.17.1
> 
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> dri-devel@lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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