From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, qemu-devel@nongnu.org
Cc: Ani Sinha <ani@anisinha.ca>, Igor Mammedov <imammedo@redhat.com>
Subject: Re: [PATCH] acpi: validate hotplug selector on access
Date: Tue, 21 Dec 2021 15:58:36 +0100 [thread overview]
Message-ID: <6ff66f81-061e-ae32-b580-e98abd5c3dda@redhat.com> (raw)
In-Reply-To: <20211221144852.589983-1-mst@redhat.com>
On 12/21/21 15:48, Michael S. Tsirkin wrote:
> When bus is looked up on a pci write, we didn't
> validate that the lookup succeeded.
> Fuzzers thus can trigger QEMU crash by dereferencing the NULL
> bus pointer.
>
> Fixes: b32bd763a1 ("pci: introduce acpi-index property for PCI device")
> Cc: "Igor Mammedov" <imammedo@redhat.com>
> Fixes: https://gitlab.com/qemu-project/qemu/-/issues/770
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
> hw/acpi/pcihp.c | 3 +++
> 1 file changed, 3 insertions(+)
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
next prev parent reply other threads:[~2021-12-21 15:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-21 14:48 [PATCH] acpi: validate hotplug selector on access Michael S. Tsirkin
2021-12-21 14:58 ` Philippe Mathieu-Daudé [this message]
2021-12-21 16:37 ` Ani Sinha
2021-12-22 19:19 ` Philippe Mathieu-Daudé
2021-12-22 20:19 ` Michael S. Tsirkin
2021-12-22 20:27 ` Philippe Mathieu-Daudé
2021-12-22 20:52 ` Michael S. Tsirkin
2021-12-23 9:58 ` Mauro Matteo Cascella
2021-12-23 13:43 ` Michael S. Tsirkin
2021-12-23 20:46 ` Mauro Matteo Cascella
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