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| author |   Jeff Moyer <jmoyer@redhat.com> | 2018-12-11 12:37:49 -0500 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2018-12-11 14:32:14 -0500 |
| commit | 0afa99648350dbd6d08ee3efd2376db240a6c458 (patch) | |
| tree | 0700011140ed21d2636f3ee0e665d0529e88befb /scripts/gcc-plugins/randomize_layout_plugin.c | |
| parent | afs: Use d_instantiate() rather than d_add() and don't d_drop() (diff) | |
| download | linux-dev-0afa99648350dbd6d08ee3efd2376db240a6c458.tar.xz linux-dev-0afa99648350dbd6d08ee3efd2376db240a6c458.zip | |
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>
Diffstat (limited to 'scripts/gcc-plugins/randomize_layout_plugin.c')
0 files changed, 0 insertions, 0 deletions