On 09/26/2017 11:54 AM, Coly Li wrote: > Commit 09b3efec ("bcache: Don't reinvent the wheel but use existing llist > API") replaces the following while loop by llist_for_each_entry(), If it's fixing a specific commit, please add a proper Fixes: sha ("title") line to your patch. That way automated scripts can pick it up, if they backport the problematic patch. Also, as mentioned in the other email, this is technically a use-after-free problem, not a race. Can you resend with commit message fixed up? -- Jens Axboe