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| author | Jens Axboe <jens.axboe@oracle.com> | 2008-02-08 08:49:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:25:01 -0800 |
| commit | 8811930dc74a503415b35c4a79d14fb0b408a361 (patch) | |
| tree | 464a99a2be2f87b8e019fea231592ddf3ec38de7 /drivers | |
| parent | 66191dc622f5ff0a541524c4e96fdacfacfda206 (diff) | |
| download | lwn-8811930dc74a503415b35c4a79d14fb0b408a361.tar.gz lwn-8811930dc74a503415b35c4a79d14fb0b408a361.zip | |
splice: missing user pointer access verification
vmsplice_to_user() must always check the user pointer and length
with access_ok() before copying. Likewise, for the slow path of
copy_from_user_mmap_sem() we need to check that we may read from
the user region.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Wojciech Purczynski <cliph@research.coseinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions