| commit | 0afa99648350dbd6d08ee3efd2376db240a6c458 | [log] [tgz] |
|---|---|---|
| author | Jeff Moyer <jmoyer@redhat.com> | Tue Dec 11 12:37:49 2018 -0500 |
| committer | Al Viro <viro@zeniv.linux.org.uk> | Tue Dec 11 14:32:14 2018 -0500 |
| tree | 0700011140ed21d2636f3ee0e665d0529e88befb | |
| parent | 73116df7bb90435ccb2817f44113295240d15034 [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. Reported-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>