| commit | 6c1e851c4edc13a43adb3ea4044e3fc8f43ccf7d | [log] [tgz] |
|---|---|---|
| author | Theodore Ts'o <tytso@mit.edu> | Mon Apr 23 18:51:28 2018 -0400 |
| committer | Theodore Ts'o <tytso@mit.edu> | Tue Apr 24 12:00:08 2018 -0400 |
| tree | 0762f3b03339b0ab30f3163ab0ac314b75f05d02 | |
| parent | d848e5f8e1ebdb227d045db55fe4f825e82965fa [diff] |
random: fix possible sleeping allocation from irq context
We can do a sleeping allocation from an irq context when CONFIG_NUMA
is enabled. Fix this by initializing the NUMA crng instances in a
workqueue.
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot+9de458f6a5e713ee8c1a@syzkaller.appspotmail.com
Fixes: 8ef35c866f8862df ("random: set up the NUMA crng instances...")
Cc: stable@vger.kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>