On 12/06, Eric W. Biederman wrote: > > The challenge is that we could be delivering this to a zombie signal > group leader.
... > Sigh it is probably time that I dig in and figure out how to avoid that > case which we need to fix anyway because we can get the permission > checks wrong for multi-threaded processes that call setuid and friends. this is another issue... I am sure we have already discussed this, but I failed to find any link to the previous discussion. > Once that is sorted your small change will at least be safe. I don't think so, any sub-thread can dequeue SIGSTOP unless type == PIDTYPE_PID, this has nothing to do with the problems connected to zombie leader, or I misunderstood you. Oleg.
