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From: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
To: Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: Chris Blake
	<chrisrblake93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Hal Rosenstock
	<hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
	Parav Pandit <parav-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: 4.13 ib_mthca NULL pointer dereference with OpenSM
Date: Tue, 31 Oct 2017 13:23:40 -0600	[thread overview]
Message-ID: <20171031192340.GA18578@ziepe.ca> (raw)
In-Reply-To: <fa1abfd0-e9fc-e842-8a21-c214e9dc8e9e-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>


On Tue, Oct 31, 2017 at 12:22 PM, Daniel Jurgens <danielj-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> wrote:

> Sounds like the crash is resolved and now you're getting a denial
> from a security module.  I looked in the code, it looks like

If Chris was hitting that crash it means his security module failed the
mad action, as that is the only way to trigger it.

> AppArmor doesn't register any callbacks for the ib_* security hooks,
> and if no hook is registered it should return 0.  Can you tell me
> more about your setup so I can create a reproducer? What OS are you
> using? Can you double check that SELinux isn't enabled (see output
> of sestatus).

Which suggests to me that apparmour is not working properly with the
rdma selinux patches??

Jason

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  parent reply	other threads:[~2017-10-31 19:23 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-26 17:17 4.13 ib_mthca NULL pointer dereference with OpenSM Chris Blake
     [not found] ` <CALpBJjoMLCqzVe5yKp4wCX-X-sH+=zv1QZfMvOWh2Ukh3c2LFg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-29 19:11   ` Leon Romanovsky
     [not found]     ` <20171029191114.GO16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-10-29 19:35       ` Chris Blake
     [not found]         ` <CALpBJjoJpgR1QB-gzRJLOjGtjK4T2H4EbG1-R+ndodvznWkgwA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-30  7:19           ` Leon Romanovsky
     [not found]             ` <20171030071956.GU16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-10-30 18:39               ` Chris Blake
     [not found]                 ` <CALpBJjqWrXu3b12EG2-AWKwKs9v2q5pTf11rXSy04C-5dGta6A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-30 19:00                   ` Leon Romanovsky
2017-10-30 23:01                   ` Jason Gunthorpe
     [not found]                     ` <20171030230156.GA4081-uk2M96/98Pc@public.gmane.org>
2017-10-31  3:16                       ` Parav Pandit
     [not found]                         ` <VI1PR0502MB300860F7C004ABFB01079F53D15E0-o1MPJYiShExKsLr+rGaxW8DSnupUy6xnnBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2017-10-31  4:24                           ` Jason Gunthorpe
     [not found]                             ` <20171031042435.GB7961-uk2M96/98Pc@public.gmane.org>
2017-10-31  5:11                               ` Leon Romanovsky
2017-10-31 12:49                               ` Hal Rosenstock
     [not found]                                 ` <e2a2aa84-71ce-36f0-91af-0854b24d4a6a-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-10-31 15:01                                   ` Daniel Jurgens
     [not found]                                     ` <60de3bab-f294-dd11-bcae-d179115f7c31-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-10-31 15:09                                       ` Jason Gunthorpe
     [not found]                                         ` <20171031150901.GA9852-uk2M96/98Pc@public.gmane.org>
2017-10-31 15:12                                           ` Daniel Jurgens
2017-10-31 15:15                                           ` Leon Romanovsky
     [not found]                                             ` <20171031151521.GK16127-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-10-31 15:20                                               ` Chris Blake
2017-10-31 15:20                                               ` Daniel Jurgens
     [not found]                                                 ` <5ab2d58d-8af8-c075-86f0-7010b8316cba-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-10-31 17:49                                                   ` Chris Blake
     [not found]                                                     ` <CALpBJjorS-AK3Ua9UuUnWv33rYqBoeAXF9vsFALTff5Qv3hNSg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-31 17:58                                                       ` Parav Pandit
2017-10-31 18:22                                                       ` Daniel Jurgens
     [not found]                                                         ` <fa1abfd0-e9fc-e842-8a21-c214e9dc8e9e-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-10-31 18:29                                                           ` Chris Blake
     [not found]                                                             ` <CALpBJjpPzeBMu1QGS8KOmv33A8CTJ2YjFhEhqaPBUpcVy+i3xg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-31 18:36                                                               ` Chris Blake
2017-10-31 19:23                                                           ` Jason Gunthorpe [this message]
     [not found]                                                             ` <20171031192340.GA18578-uk2M96/98Pc@public.gmane.org>
2017-10-31 19:44                                                               ` Daniel Jurgens
     [not found]                                                                 ` <799ce928-2e7c-7f60-951a-3a88544b7510-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-11-12 23:38                                                                   ` Chris Blake
     [not found]                                                                     ` <CALpBJjogf5ONOmMTr9Z8RQ_78aON=_zSSJ+K-_VQyRRXO6vkAQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-11-13 17:47                                                                       ` Daniel Jurgens

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