Subject: Re: [PATCH net-next] tcx: Fix splat in ingress_destroy upon tcx_entry_free

From: Martin KaFai Lau <[email-masked]>
Date: Thu, 3 Aug 2023 16:48:24 -0700

On 8/3/23 4:10 AM, Gal Pressman wrote:
> On 22/07/2023 2:33, Daniel Borkmann wrote:
>> On qdisc destruction, the ingress_destroy() needs to update the correct
>> entry, that is, tcx_entry_update must NULL the dev->tcx_ingress pointer.
>> Therefore, fix the typo.
>>
>> Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")
>> Reported-by: [email-masked]
>> Reported-by: [email-masked]
>> Reported-by: [email-masked]
>> Signed-off-by: Daniel Borkmann <[email-masked]>
> 
> Hi Daniel,
> 
> Our nightly regression testing picked up new memory leaks which were
> bisected to this commit.

Thanks for the report. Can you help to check if it can be reproduced with the 
latest net-next which has a tcx fix in commit 079082c60aff ("tcx: Fix splat 
during dev unregister")?