qemu/libqos-virtio.c-Correct-flags-reading-in-qvirtqueue_.patch
Jiabo Feng 9803c6ed12 QEMU update to version 6.2.0-91
- hw/virtio/virtio-crypto: Protect from DMA re-entrancy bugs(CVE-2024-3446)
- hw/char/virtio-serial-bus: Protect from DMA re-entrancy bugs(CVE-2024-3446)
- hw/display/virtio-gpu: Protect from DMA re-entrancy bugs(CVE-2024-3446)
- hw/virtio: Introduce virtio_bh_new_guarded() helper
- hw: replace most qemu_bh_new calls with qemu_bh_new_guarded
- checkpatch: add qemu_bh_new/aio_bh_new checks
- async: avoid use-after-free on re-entrancy guard
- async: Add an optional reentrancy guard to the BH API
- hw/sd/sdhci: Do not update TRNMOD when Command Inhibit (DAT) is set(CVE-2024-3447)
- rtl8139: Remove unused variable
- tulip: Remove unused variable
- virtio-mem: Fix the bitmap index of the section offset
- virtio-mem: Fix the iterator variable in a vmem->rdl_list loop
- system/memory: use ldn_he_p/stn_he_p
- block: Fix crash when loading snapshot on inactive node
- smmu: Clear SMMUPciBus pointer cache when system reset
- block/mirror: Fix NULL s->job in active writes
- amd_iommu: Fix APIC address check
- virtio-crypto: fix NULL pointer dereference in virtio_crypto_free_reques
- libqos/virtio.c: Correct 'flags' reading in qvirtqueue_kick cherry-pick from 66e411885a23c96ff73742d06b793fec3ceaebb7
- ivshmem-test.c: enable test_ivshmem_server for ppc64 arch
- ivshmem.c: change endianness to LITTLE_ENDIAN
- hw/ppc/mac.h: Remove MAX_CPUS macro
- configure: remove dead variables
- virtio-gpu: do not byteswap padding
- hw/intc: clean-up error reporting for failed ITS cmd
- qemu-iotests: Discard stderr when probing devices
- linux-user: un-parent OBJECT(cpu) when closing thread
- hw/net/rocker: Avoid undefined shifts with more than 31 ports
- contrib/vhost-user-blk: Clean up deallocation of VuVirtqElement
- scsi-disk: fix overflow when block size is not a multiple of BDRV_SECTOR_SIZE

Signed-off-by: Jiabo Feng <fengjiabo1@huawei.com>
(cherry picked from commit bf54b48c2963c869dfdc89977c57be4bd9e772aa)
2024-04-24 10:57:37 +08:00

41 lines
1.6 KiB
Diff

From c4acd87e379d6b6c3a9b8e381c91af255d96aeaa Mon Sep 17 00:00:00 2001
From: guping <guping_yewu@cmss.chinamobile.com>
Date: Sat, 30 Mar 2024 14:59:51 +0000
Subject: [PATCH] libqos/virtio.c: Correct 'flags' reading in qvirtqueue_kick
cherry-pick from 66e411885a23c96ff73742d06b793fec3ceaebb7
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In qvirtqueue_kick(), the 'flags' were previously being incorrectly read from
vq->avail instead of the correct vq->used location. This update ensures 'flags'
are read from the correct location as per the virtio standard.
Signed-off-by: default avatarZheyu Ma <zheyuma97@gmail.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi's avatarStefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240320090442.267525-1-zheyuma97@gmail.com>
Signed-off-by: Thomas Huth's avatarThomas Huth <thuth@redhat.com>
Signed-off-by: guping <guping_yewu@cmss.chinamobile.com>
---
tests/qtest/libqos/virtio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c
index 6fe7bf9555..08e5bcdca1 100644
--- a/tests/qtest/libqos/virtio.c
+++ b/tests/qtest/libqos/virtio.c
@@ -377,7 +377,7 @@ void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d, QVirtQueue *vq,
qvirtio_writew(d, qts, vq->avail + 2, idx + 1);
/* Must read after idx is updated */
- flags = qvirtio_readw(d, qts, vq->avail);
+ flags = qvirtio_readw(d, qts, vq->used);
avail_event = qvirtio_readw(d, qts, vq->used + 4 +
sizeof(struct vring_used_elem) * vq->size);
--
2.27.0