Bart Van Assche
efea2abcb0
virtio_blk: Fix an SG_IO regression ...
Avoid that submitting an SG_IO ioctl triggers a kernel oops that
is preceded by:
usercopy: kernel memory overwrite attempt detected to (null) (<null>) (6 bytes)
kernel BUG at mm/usercopy.c:72!
Reported-by: Dann Frazier <dann.frazier@canonical.com>
Fixes: commit ca18d6f769d2 ("block: Make most scsi_req_init() calls implicit")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Dann Frazier <dann.frazier@canonical.com>
Cc: <stable@vger.kernel.org> # v4.13
Reviewed-by: Christoph Hellwig <hch@lst.de>
Moved virtblk_initialize_rq() inside CONFIG_VIRTIO_BLK_SCSI.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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efea2abcb0