diff options
| author | Bart Van Assche <bart.vanassche@wdc.com> | 2017-10-27 08:23:21 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-10-27 08:23:21 -0600 |
| commit | efea2abcb03215f2efadfe994ff7f652aaff196b (patch) | |
| tree | 5c16510723274dfea91e4f0e9d4100a62e41b360 /crypto/memneq.c | |
| parent | 93689a603141ca9237203cebfa6b45775caccdb5 (diff) | |
| download | linux-stable-efea2abcb03215f2efadfe994ff7f652aaff196b.tar.gz linux-stable-efea2abcb03215f2efadfe994ff7f652aaff196b.tar.bz2 linux-stable-efea2abcb03215f2efadfe994ff7f652aaff196b.zip | |
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>
Diffstat (limited to 'crypto/memneq.c')
0 files changed, 0 insertions, 0 deletions