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From: "Christian König" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Michel Dänzer" <michel-otUistvHUpPR7s880joybQ@public.gmane.org>,
	christian.koenig-5C7GfCeVMHo@public.gmane.org
Cc: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: KASAN use-after-free report during piglit run
Date: Mon, 30 Oct 2017 15:51:13 +0100	[thread overview]
Message-ID: <77e5ed00-bc39-4faa-c189-c27191ed4d72@gmail.com> (raw)
In-Reply-To: <9d301254-6ce8-f8e0-ea3f-dc73f0440d08-otUistvHUpPR7s880joybQ@public.gmane.org>

Well I've found a minor bug in TTM (false positive warning), but was 
never able to reproduce this issue.

What hardware generation did you use for testing?

Christian.


Am 25.10.2017 um 17:54 schrieb Michel Dänzer:
> On 25/10/17 05:51 PM, Christian König wrote:
>> Going to take a look tomorrow.
> Thanks.
>
> FWIW, it's the line at drivers/dma-buf/reservation.c:485:
>
> 	if (!fence && wait_all) {
> 		struct reservation_object_list *fobj =
> 						rcu_dereference(obj->fence);
>
> 		if (fobj)
> 			shared_count = fobj->shared_count; <===
>
>

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  parent reply	other threads:[~2017-10-30 14:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-25 15:43 KASAN use-after-free report during piglit run Michel Dänzer
     [not found] ` <e9df6a9b-19bc-4b2f-eeb2-a06ebb2f22c2-otUistvHUpPR7s880joybQ@public.gmane.org>
2017-10-25 15:51   ` Christian König
     [not found]     ` <bb31e238-502c-eda7-5bcb-302ef6c04c15-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-10-25 15:54       ` Michel Dänzer
     [not found]         ` <9d301254-6ce8-f8e0-ea3f-dc73f0440d08-otUistvHUpPR7s880joybQ@public.gmane.org>
2017-10-30 14:51           ` Christian König [this message]
     [not found]             ` <77e5ed00-bc39-4faa-c189-c27191ed4d72-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-10-30 14:54               ` Michel Dänzer
2017-10-31 17:58   ` Michel Dänzer
     [not found]     ` <237aa88a-0484-1b7e-d4c7-7f7311c7a1fb-otUistvHUpPR7s880joybQ@public.gmane.org>
2017-11-01  8:47       ` Christian König
     [not found]         ` <6d95903b-3458-73c3-7ab4-2b7025e8c7e9-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-11-01 16:16           ` Michel Dänzer

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