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qemu/hw/virtio
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Li Qiang 2d69eba5fe virtio: update MemoryRegionCaches when guest set bad features 
Current the 'virtio_set_features' only update the 'MemorRegionCaches'
when the 'virtio_set_features_nocheck' return '0' which means it is
not bad features. However the guest can still trigger the access of the
used vring after set bad features. In this situation it will cause assert
failure in 'ADDRESS_SPACE_ST_CACHED'.

Buglink: https://bugs.launchpad.net/qemu/+bug/1890333
Fixes: db812c4073 ("virtio: update MemoryRegionCaches when guest negotiates features")
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20200919082706.6703-1-liq3ea@163.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:15:24 -04:00
..
Kconfig virtio-mem: Paravirtualized memory hot(un)plug 2020-07-03 07:57:04 -04:00
meson.build meson: convert hw/virtio 2020-08-21 06:30:26 -04:00
trace-events vhost-vdpa: add trace-events 2020-09-29 02:15:20 -04:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-backend.c vhost: switch to use IOTLB v2 format 2020-09-29 02:14:29 -04:00
vhost-scsi-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-stub.c vhost-user: simplify vhost_user_init/vhost_user_cleanup 2019-03-12 21:22:31 -04:00
vhost-user-blk-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-fs-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-fs.c qdev: Unrealize must not fail 2020-05-15 07:08:14 +02:00
vhost-user-input-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-scsi-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-vsock-pci.c vhost-user-vsock-pci: force virtio version 1 2020-09-29 02:15:24 -04:00
vhost-user-vsock.c virtio: add vhost-user-vsock base device 2020-06-12 10:17:06 -04:00
vhost-user.c hw/virtio/vhost-user:Remove dead assignment in scrub_shadow_regions() 2020-09-01 11:58:32 +02:00
vhost-vdpa.c vhost-vdpa: add trace-events 2020-09-29 02:15:20 -04:00
vhost-vsock-common.c vhost-vsock: add vhost-vsock-common abstraction 2020-06-12 10:17:06 -04:00
vhost-vsock-pci.c vhost-vsock-pci: force virtio version 1 2020-09-29 02:15:24 -04:00
vhost-vsock.c vhost-vsock: add vhost-vsock-common abstraction 2020-06-12 10:17:06 -04:00
vhost.c vhost: check queue state in the vhost_dev_set_log routine 2020-09-29 02:14:29 -04:00
virtio-9p-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-balloon-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-balloon.c virtio-balloon: Replace free page hinting references to 'report' with 'hint' 2020-07-22 07:57:07 -04:00
virtio-blk-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-bus.c virtio: notify virtqueue via host notifier when available 2019-11-06 06:35:00 -05:00
virtio-crypto-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-crypto.c virtio-crypto: don't modify elem->in/out_sg 2020-09-23 13:41:58 +01:00
virtio-input-host-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-input-pci.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio-iommu-pci.c virtio-iommu-pci: force virtio version 1 2020-09-29 02:14:30 -04:00
virtio-iommu.c virtio-iommu: Check gtrees are non null before destroying them 2020-09-29 02:14:30 -04:00
virtio-mem-pci.c virtio-mem-pci: force virtio version 1 2020-07-27 09:38:33 -04:00
virtio-mem-pci.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-mem.c virtio-mem: detach the element from the virtqueue when error occurs 2020-09-29 02:14:29 -04:00
virtio-mmio.c qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
virtio-net-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-pci.c virtio: skip legacy support check on machine types less than 5.1 2020-09-29 02:15:24 -04:00
virtio-pci.h Use OBJECT_DECLARE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio-pmem-pci.c virtio-pmem-pci: force virtio version 1 2020-09-29 02:14:30 -04:00
virtio-pmem-pci.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-pmem.c qom: Change object_get_canonical_path_component() not to malloc 2020-07-21 16:23:43 +02:00
virtio-rng-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-rng.c error: Eliminate error_propagate() with Coccinelle, part 1 2020-07-10 15:18:08 +02:00
virtio-scsi-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-serial-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio.c virtio: update MemoryRegionCaches when guest set bad features 2020-09-29 02:15:24 -04:00