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Xie Yongji 82e89ea077 virtio-blk: Add validation for block size in config space 
An untrusted device might presents an invalid block size
in configuration space. This tries to add validation for it
in the validate callback and clear the VIRTIO_BLK_F_BLK_SIZE
feature bit if the value is out of the supported range.

And we also double check the value in virtblk_probe() in
case that it's changed after the validation.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210809101609.148-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2021-08-11 06:44:24 -04:00
..
aoe
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
drbd
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
mtip32xx
mtip32xx: use blk_mq_alloc_disk and blk_cleanup_disk
2021-06-30 15:34:04 -06:00
null_blk
null_blk: remove an unused variable assignment in null_add_dev
2021-06-30 15:34:04 -06:00
paride
pd: fix order of cleaning up the queue and freeing the tagset
2021-07-15 09:29:22 -06:00
rnbd
RDMA v5.14 merge window Pull Request
2021-07-01 14:54:03 -07:00
rsxx
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
xen-blkback
xen-blkback: fix compatibility bug with single page rings
2021-04-23 09:34:07 +02:00
zram
Merge branch 'akpm' (patches from Andrew)
2021-07-02 12:08:10 -07:00
amiflop.c
amiflop: use blk_mq_alloc_disk and blk_cleanup_disk
2021-06-11 11:54:43 -06:00
ataflop.c
ataflop: use blk_mq_alloc_disk and blk_cleanup_disk
2021-06-11 11:54:43 -06:00
brd.c
brd: convert to blk_alloc_disk/blk_cleanup_disk
2021-06-01 07:42:23 -06:00
cryptoloop.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 30
2019-05-24 17:27:10 +02:00
floppy.c
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
Kconfig
swim: don't call blk_queue_bounce_limit
2021-04-06 09:29:47 -06:00
loop.c
loop: reintroduce global lock for safe loop_validate_file() traversal
2021-07-23 10:18:25 -06:00
loop.h
loop: charge i/o to mem and blk cg
2021-06-29 10:53:50 -07:00
Makefile
drivers/block: remove the umem driver
2021-03-24 06:57:40 -06:00
n64cart.c
n64cart: fix the dma address in n64cart_do_bvec
2021-08-04 11:15:21 -06:00
nbd.c
nbd: fix order of cleaning up the queue and freeing the tagset
2021-07-15 09:30:15 -06:00
pktcdvd.c
block: remove REQ_OP_SCSI_{IN,OUT}
2021-06-30 15:34:19 -06:00
ps3disk.c
ps3disk: use blk_mq_alloc_disk
2021-06-11 11:53:02 -06:00
ps3vram.c
ps3vram: convert to blk_alloc_disk/blk_cleanup_disk
2021-06-01 07:42:24 -06:00
rbd_types.h
libceph, rbd: replace zero-length array with flexible-array
2020-06-01 13:22:53 +02:00
rbd.c
rbd: resurrect setting of disk->private_data in rbd_init_disk()
2021-07-21 17:20:43 +02:00
sunvdc.c
Char / Misc driver updates for 5.14-rc1
2021-07-05 13:42:16 -07:00
swim3.c
swim3: use blk_mq_alloc_disk
2021-06-11 11:53:02 -06:00
swim_asm.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
swim.c
swim: use blk_mq_alloc_disk
2021-06-11 11:53:03 -06:00
sx8.c
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
virtio_blk.c
virtio-blk: Add validation for block size in config space
2021-08-11 06:44:24 -04:00
xen-blkfront.c
xen-blkfront: sanitize the removal state machine
2021-07-15 09:32:34 -06:00
z2ram.c
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00