From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Laurent Vivier" <lvivier@redhat.com>,
"Martin Schrodt" <martin@schrodt.org>,
"Thomas Huth" <thuth@redhat.com>,
"Gianluca Gabruelli" <gianluca.gabrielli@suse.com>,
"Volker Rümelin" <vr_qemu@t-online.de>,
"Li Qiang" <liq3ea@gmail.com>,
"Mauro Matteo Cascella" <mcascell@redhat.com>,
"Qiuhao Li" <Qiuhao.Li@outlook.com>,
"Jon Maloy" <jmaloy@redhat.com>,
"Alexander Bulekov" <alxndr@bu.edu>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Gerd Hoffmann" <kraxel@redhat.com>,
crazybyte@protonmail.com, "Matt Parker" <mtparkr@gmail.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [RFC PATCH 0/3] hw/audio/intel-hda: Restrict DMA engine to memories (non-MMIO devices)
Date: Sat, 18 Dec 2021 17:09:09 +0100 [thread overview]
Message-ID: <20211218160912.1591633-1-philmd@redhat.com> (raw)
An attempt to fix the Intel HDA DMA reentrancy problem by
restricting the DMA engine to memories, and reporting invalid
I/O region accesses as overruns.
Based-on: <20211218151053.1545962-1-philmd@redhat.com>
"hw: Have DMA API take MemTxAttrs arg & propagate MemTxResult (part 4)"
https://lore.kernel.org/qemu-devel/20211218151053.1545962-1-philmd@redhat.com/
Philippe Mathieu-Daudé (3):
hw/audio/intel-hda: Do not ignore DMA overrun errors
hw/audio/intel-hda: Restrict DMA engine to memories (not MMIO devices)
tests/qtest/intel-hda-test: Add reproducer for issue #542
hw/audio/intel-hda.c | 11 ++++++++---
tests/qtest/intel-hda-test.c | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+), 3 deletions(-)
--
2.33.1
next reply other threads:[~2021-12-18 16:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-18 16:09 Philippe Mathieu-Daudé [this message]
2021-12-18 16:09 ` [RFC PATCH 1/3] hw/audio/intel-hda: Do not ignore DMA overrun errors Philippe Mathieu-Daudé
2021-12-18 16:09 ` [RFC PATCH 2/3] hw/audio/intel-hda: Restrict DMA engine to memories (not MMIO devices) Philippe Mathieu-Daudé
2022-03-18 19:13 ` [RFC PATCH 2/3] hw/audio/intel-hda: Restrict DMA engine to memories (not MMIO devices) [CVE-2021-3611] Thomas Huth
2021-12-18 16:09 ` [RFC PATCH 3/3] tests/qtest/intel-hda-test: Add reproducer for issue #542 Philippe Mathieu-Daudé
2022-03-18 19:15 ` Thomas Huth
2021-12-18 16:14 ` [RFC PATCH 0/3] hw/audio/intel-hda: Restrict DMA engine to memories (CVE-2021-3611) Philippe Mathieu-Daudé
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