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82e89ea077
linux/drivers/block
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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
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
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