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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: robert.beckett@intel.com, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH i-g-t] tests/gem_storedw_loop: Fix use after free for bufmgr
Date: Tue, 22 Sep 2015 12:08:05 -0700	[thread overview]
Message-ID: <5601A715.5040608@virtuousgeek.org> (raw)
In-Reply-To: <1442944959-29467-1-git-send-email-robert.beckett@intel.com>

On 09/22/2015 11:02 AM, robert.beckett@intel.com wrote:
> From: Robert Beckett <robert.beckett@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@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@intel.com>
> Cc: Jesse Barnes <jbarnes@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@virtuousgeek.org>

Jesse
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  reply	other threads:[~2015-09-22 19:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-22 18:02 [PATCH i-g-t] tests/gem_storedw_loop: Fix use after free for bufmgr robert.beckett
2015-09-22 19:08 ` Jesse Barnes [this message]
2015-09-23 16:01   ` Daniel Vetter
2015-09-23 16:27     ` Thomas Wood
2015-09-24 10:13       ` [PATCH i-g-t] gem_storedw_loop: fix segfault when listing subtests Thomas Wood
2015-09-24 15:23         ` Jesse Barnes

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