Paul E. McKenney wrote: > > --- linux-2.6.13-rc4-realtime-preempt-V0.7.53-01/fs/exec.c 2005-08-11 > 11:44:55.000000000 -0700 > +++ linux-2.6.13-rc4-realtime-preempt-V0.7.53-01-tasklistRCU/fs/exec.c > 2005-08-11 12:26:45.000000000 -0700 > [ ... snip ... ] > @@ -785,11 +787,13 @@ no_thread_group: > recalc_sigpending(); > > + oldsighand->deleted = 1; > + oldsighand->successor = newsighand;
I don't think this is correct. This ->oldsighand can be shared with another CLONE_SIGHAND process and will not be deleted, just unshared. When the signal is sent to that process we must use ->oldsighand for locking, not the oldsighand->successor == newsighand. Oleg. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/