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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2009-04-28 20:24:29 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-04-28 20:24:29 +0200 |
| commit | 69838727bcd819a8fd73a88447801221788b0c6d (patch) | |
| tree | 4fd6c31c1078ac079ea1ba0fa9cdf4aa581f06a7 /mm | |
| parent | hd: fix locking (diff) | |
| download | linux-69838727bcd819a8fd73a88447801221788b0c6d.tar.xz linux-69838727bcd819a8fd73a88447801221788b0c6d.zip | |
bio: fix memcpy corruption in bio_copy_user_iov()
st driver uses blk_rq_map_user() in order to just build a request out
of page frames. In this case, map_data->offset is a non zero value and
iov[0].iov_base is NULL. We need to increase nr_pages for that.
Cc: stable@kernel.org
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions