diff options
| author | Jeff Moyer <jmoyer@redhat.com> | 2018-12-11 12:37:49 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-11 11:45:50 -0700 |
| commit | a538e3ff9dabcdf6c3f477a373c629213d1c3066 (patch) | |
| tree | 8f94a879f2bd8b990032bead3a410b1bf000558b /block | |
| parent | f55adad601c6a97c8c9628195453e0fb23b4a0ae (diff) | |
aio: fix spectre gadget in lookup_ioctx
Matthew pointed out that the ioctx_table is susceptible to spectre v1,
because the index can be controlled by an attacker. The below patch
should mitigate the attack for all of the aio system calls.
Cc: stable@vger.kernel.org
Reported-by: Matthew Wilcox <willy@infradead.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions