On Thu, Mar 21, 2019 at 05:45:08PM -0400, Waiman Long wrote: > It was found that if a process has accumulated sufficient number of > pending signals, the exiting of that process may cause its parent to > have hard lockup when running on a debug kernel with a slow memory > freeing path (like with KASAN enabled). I appreciate these are "reliable" signals, but why do we accumulate so many signals to a task which will never receive them? Can we detect at signal delivery time that the task is going to die and avoid queueing them in the first place?
