[Intel-gfx] [PATCH i-g-t] tests/gem_storedw_loop: Fix use after free for bufmgr

Jesse Barnes jbarnes at virtuousgeek.org
Tue Sep 22 12:08:05 PDT 2015


On 09/22/2015 11:02 AM, robert.beckett at intel.com wrote:
> From: Robert Beckett <robert.beckett at intel.com>
> 
> Move bufmgr destruction to end of tests. This avoids use after free on
> successive tests.
> 
> This could be squashed with the following patch to aid bisectability:
> 
> commit 0679702150157706a6def66b893b29c16345f4db
> Author: Jesse Barnes <jbarnes at virtuousgeek.org>
> Date:   Wed Aug 5 16:06:31 2015 -0700
> 
>     tests/gem_storedw_loop: add new store_dword test to unify per-ring ones v2
> 
> Signed-off-by: Robert Beckett <robert.beckett at intel.com>
> Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
>  tests/gem_storedw_loop.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/gem_storedw_loop.c b/tests/gem_storedw_loop.c
> index 10b12d4..e7ebcc2 100644
> --- a/tests/gem_storedw_loop.c
> +++ b/tests/gem_storedw_loop.c
> @@ -128,7 +128,6 @@ store_test(int ring, int count)
>  
>  	drm_intel_bo_unreference(target_buffer);
>  	intel_batchbuffer_free(batch);
> -	drm_intel_bufmgr_destroy(bufmgr);
>  }
>  
>  struct ring {
> @@ -181,5 +180,6 @@ igt_main
>  		}
>  	}
>  
> +	drm_intel_bufmgr_destroy(bufmgr);
>  	close(fd);
>  }
> 

Looks good, thanks.  Unfortunately too late to squash...

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

Jesse


More information about the Intel-gfx mailing list