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From: bp@alien8.de (Borislav Petkov)
Subject: [RFC PATCH 08/15] drivers/acrn: add VM memory management for ACRN char device
Date: Mon, 19 Aug 2019 09:46:14 +0200	[thread overview]
Message-ID: <20190819074614.GD4841@zn.tnic> (raw)
In-Reply-To: <20190819073958.GC4451@kadam>

On Mon, Aug 19, 2019@10:39:58AM +0300, Dan Carpenter wrote:
> On Mon, Aug 19, 2019@01:32:54PM +0800, Zhao, Yakui wrote:
> > In fact as this driver is mainly used for embedded IOT usage, it doesn't
> > handle the complex cleanup when such error is encountered. Instead the clean
> > up is handled in free_guest_vm.
> 
> A use after free here seems like a potential security problem.  Security
> matters for IoT...  :(

Yeah, the "S" in "IoT" stands for security.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

  reply	other threads:[~2019-08-19  7:46 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-16  2:25 [RFC PATCH 00/15] acrn: add the ACRN driver module Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 01/15] x86/acrn: Report X2APIC for ACRN guest Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 02/15] x86/acrn: Add two APIs to add/remove driver-specific upcall ISR handler Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 03/15] x86/acrn: Add hypercall for ACRN guest Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 04/15] drivers/acrn: add the basic framework of acrn char device driver Zhao Yakui
2019-08-16  7:05   ` Greg KH
2019-08-19  4:02     ` Zhao, Yakui
2019-08-19  5:26       ` Greg KH
2019-08-16 11:28   ` Dan Carpenter
2019-08-16  2:25 ` [RFC PATCH 05/15] drivers/acrn: add driver-specific hypercall for ACRN_HSM Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 06/15] drivers/acrn: add the support of querying ACRN api version Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 07/15] drivers/acrn: add acrn vm/vcpu management for ACRN_HSM char device Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 08/15] drivers/acrn: add VM memory management for ACRN " Zhao Yakui
2019-08-16 12:58   ` Dan Carpenter
2019-08-19  5:32     ` Zhao, Yakui
2019-08-19  7:39       ` Dan Carpenter
2019-08-19  7:46         ` Borislav Petkov [this message]
2019-08-20  2:25         ` Zhao, Yakui
2019-08-16  2:25 ` [RFC PATCH 09/15] drivers/acrn: add passthrough device support Zhao Yakui
2019-08-16 13:05   ` Dan Carpenter
2019-09-02  0:18     ` Zhao, Yakui
2019-08-16  2:25 ` [RFC PATCH 10/15] drivers/acrn: add interrupt injection support Zhao Yakui
2019-08-16 13:12   ` Dan Carpenter
2019-08-19  4:59     ` Zhao, Yakui
2019-08-16  2:25 ` [RFC PATCH 11/15] drivers/acrn: add the support of handling emulated ioreq Zhao Yakui
2019-08-16 13:39   ` Dan Carpenter
2019-08-19  4:54     ` Zhao, Yakui
2019-08-16  2:25 ` [RFC PATCH 12/15] drivers/acrn: add driver-specific IRQ handle to dispatch IO_REQ request Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 13/15] drivers/acrn: add service to obtain Power data transition Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 14/15] drivers/acrn: add the support of irqfd and eventfd Zhao Yakui
2019-08-16  2:25 ` [RFC PATCH 15/15] drivers/acrn: add the support of offline SOS cpu Zhao Yakui
2019-08-19 10:34   ` Dan Carpenter
2019-08-20  2:23     ` Zhao, Yakui
2019-08-16  6:39 ` [RFC PATCH 00/15] acrn: add the ACRN driver module Borislav Petkov
2019-08-16  7:03   ` Greg KH
2019-08-19  2:39     ` Zhao, Yakui
2019-08-19  5:25       ` Greg KH
2019-08-19  1:44   ` Zhao, Yakui
2019-08-19  5:25     ` Greg KH
2019-08-19  5:39       ` Zhao, Yakui
2019-08-19  6:18     ` Borislav Petkov

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