From mboxrd@z Thu Jan 1 00:00:00 1970 From: Radim =?utf-8?B?S3LEjW3DocWZ?= Subject: Re: [GIT PULL 0/2] KVM: s390: Fixes for 4.8 (via kvm/master) Date: Fri, 12 Aug 2016 14:38:57 +0200 Message-ID: <20160812123856.GF8001@potion> References: <1470989196-95234-1-git-send-email-borntraeger@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1470989196-95234-1-git-send-email-borntraeger@de.ibm.com> Sender: kvm-owner@vger.kernel.org List-Archive: List-Post: To: Christian Borntraeger Cc: Paolo Bonzini , KVM , Cornelia Huck , linux-s390 , Julius Niedworok List-ID: 2016-08-12 10:06+0200, Christian Borntraeger: > Paolo, Radim, > > two fixes for 4.8 which prevent a user triggerable WARN_ON_ONCE. > Found by Julius Niedworok with fuzzing. Pulled, thanks. > The following changes since commit 29b4817d4018df78086157ea3a55c1d9424a7cfc: > > Linux 4.8-rc1 (2016-08-07 18:18:00 -0700) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/kvm-s390-master-4.8-1 > > for you to fetch changes up to aca411a4b17a4aebe14ecdf253373db5b7ee6058: > > KVM: s390: reset KVM_REQ_MMU_RELOAD if mapping the prefix failed (2016-08-12 09:11:08 +0200) > > ---------------------------------------------------------------- > KVM: s390: Fixes for 4.8 (via kvm/master) > > Here are two fixes found by fuzzing of the ioctl interface. > Both cases can trigger a WARN_ON_ONCE from user space. > > ---------------------------------------------------------------- > Julius Niedworok (2): > KVM: s390: set the prefix initially properly > KVM: s390: reset KVM_REQ_MMU_RELOAD if mapping the prefix failed > > arch/s390/kvm/kvm-s390.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) >