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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2020-01-02 06:53:49 +0300 |
|---|---|---|
| committer | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2020-01-02 06:53:49 +0300 |
| commit | a8772fad0172aeae339144598b809fd8d4823331 (patch) | |
| tree | 1bc91f733adde425b5f16b723c7df57a5170dc50 /security/device_cgroup.c | |
| parent | 738d2902773e30939a982c8df7a7f94293659810 (diff) | |
| download | linux-a8772fad0172aeae339144598b809fd8d4823331.tar.xz | |
tomoyo: Use atomic_t for statistics counter
syzbot is reporting that there is a race at tomoyo_stat_update() [1].
Although it is acceptable to fail to track exact number of times policy
was updated, convert to atomic_t because this is not a hot path.
[1] https://syzkaller.appspot.com/bug?id=a4d7b973972eeed410596e6604580e0133b0fc04
Reported-by: syzbot <syzbot+efea72d4a0a1d03596cd@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Diffstat (limited to 'security/device_cgroup.c')
0 files changed, 0 insertions, 0 deletions