From: Eric Auger <eric.auger@redhat.com> To: eric.auger.pro@gmail.com, eric.auger@redhat.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, maz@kernel.org, drjones@redhat.com Cc: alexandru.elisei@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, shuah@kernel.org, pbonzini@redhat.com Subject: [PATCH v2 2/9] KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read Date: Thu, 14 Jan 2021 11:37:01 +0100 [thread overview] Message-ID: <20210114103708.26763-3-eric.auger@redhat.com> (raw) In-Reply-To: <20210114103708.26763-1-eric.auger@redhat.com> The doc says: "The characteristics of a specific redistributor region can be read by presetting the index field in the attr data. Only valid for KVM_DEV_TYPE_ARM_VGIC_V3" Unfortunately the existing code fails to read the input attr data. Fixes: 04c110932225 ("KVM: arm/arm64: Implement KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION") Cc: stable@vger.kernel.org#v4.17+ Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com> --- v1 -> v2: - in the commit message, remove the statement that the index always is 0 - add Alexandru's R-b --- arch/arm64/kvm/vgic/vgic-kvm-device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kvm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c index 44419679f91a..2f66cf247282 100644 --- a/arch/arm64/kvm/vgic/vgic-kvm-device.c +++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c @@ -226,6 +226,9 @@ static int vgic_get_common_attr(struct kvm_device *dev, u64 addr; unsigned long type = (unsigned long)attr->attr; + if (copy_from_user(&addr, uaddr, sizeof(addr))) + return -EFAULT; + r = kvm_vgic_addr(dev->kvm, type, &addr, false); if (r) return (r == -ENODEV) ? -ENXIO : r; -- 2.21.3
WARNING: multiple messages have this Message-ID (diff)
From: Eric Auger <eric.auger@redhat.com> To: eric.auger.pro@gmail.com, eric.auger@redhat.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, maz@kernel.org, drjones@redhat.com Cc: pbonzini@redhat.com, shuah@kernel.org Subject: [PATCH v2 2/9] KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read Date: Thu, 14 Jan 2021 11:37:01 +0100 [thread overview] Message-ID: <20210114103708.26763-3-eric.auger@redhat.com> (raw) In-Reply-To: <20210114103708.26763-1-eric.auger@redhat.com> The doc says: "The characteristics of a specific redistributor region can be read by presetting the index field in the attr data. Only valid for KVM_DEV_TYPE_ARM_VGIC_V3" Unfortunately the existing code fails to read the input attr data. Fixes: 04c110932225 ("KVM: arm/arm64: Implement KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION") Cc: stable@vger.kernel.org#v4.17+ Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com> --- v1 -> v2: - in the commit message, remove the statement that the index always is 0 - add Alexandru's R-b --- arch/arm64/kvm/vgic/vgic-kvm-device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kvm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c index 44419679f91a..2f66cf247282 100644 --- a/arch/arm64/kvm/vgic/vgic-kvm-device.c +++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c @@ -226,6 +226,9 @@ static int vgic_get_common_attr(struct kvm_device *dev, u64 addr; unsigned long type = (unsigned long)attr->attr; + if (copy_from_user(&addr, uaddr, sizeof(addr))) + return -EFAULT; + r = kvm_vgic_addr(dev->kvm, type, &addr, false); if (r) return (r == -ENODEV) ? -ENXIO : r; -- 2.21.3 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2021-01-14 10:39 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-14 10:36 [PATCH v2 0/9] KVM/ARM: Some vgic fixes and init sequence KVM selftests Eric Auger 2021-01-14 10:36 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 1/9] KVM: arm64: vgic-v3: Fix some error codes when setting RDIST base Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` Eric Auger [this message] 2021-01-14 10:37 ` [PATCH v2 2/9] KVM: arm64: Fix KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION read Eric Auger 2021-01-14 10:37 ` [PATCH v2 3/9] KVM: arm64: vgic-v3: Fix error handling in vgic_v3_set_redist_base() Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 4/9] KVM: arm/arm64: vgic: Reset base address on kvm_vgic_dist_destroy() Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 5/9] KVM: arm: move has_run_once after the map_resources Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 6/9] docs: kvm: devices/arm-vgic-v3: enhance KVM_DEV_ARM_VGIC_CTRL_INIT doc Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 7/9] KVM: arm64: Simplify argument passing to vgic_uaccess_[read|write] Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 8/9] KVM: arm64: vgic-v3: Expose GICR_TYPER.Last for userspace Eric Auger 2021-01-14 10:37 ` Eric Auger 2021-01-14 10:37 ` [PATCH v2 9/9] KVM: selftests: aarch64/vgic-v3 init sequence tests Eric Auger 2021-01-14 10:37 ` Eric Auger
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210114103708.26763-3-eric.auger@redhat.com \ --to=eric.auger@redhat.com \ --cc=alexandru.elisei@arm.com \ --cc=drjones@redhat.com \ --cc=eric.auger.pro@gmail.com \ --cc=james.morse@arm.com \ --cc=julien.thierry.kdev@gmail.com \ --cc=kvm@vger.kernel.org \ --cc=kvmarm@lists.cs.columbia.edu \ --cc=linux-kernel@vger.kernel.org \ --cc=maz@kernel.org \ --cc=pbonzini@redhat.com \ --cc=shuah@kernel.org \ --cc=suzuki.poulose@arm.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.