| commit | a538e3ff9dabcdf6c3f477a373c629213d1c3066 | [log] [tgz] |
|---|---|---|
| author | Jeff Moyer <jmoyer@redhat.com> | Tue Dec 11 12:37:49 2018 -0500 |
| committer | Jens Axboe <axboe@kernel.dk> | Tue Dec 11 11:45:50 2018 -0700 |
| tree | 8f94a879f2bd8b990032bead3a410b1bf000558b | |
| 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>