[PATCH] Re: pinpointed: PANIC caused by dequeue_signal() in current Linus

This fixes the bootup crash.  There were two initialization bugs:

	- INIT_SIGNAL needs to set shared_pending.

	- exec() needs to set up newsig properly.

the second one caused the crash Anton saw.

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 9c00b733fcee..9344e1ec3894 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -514,6 +514,8 @@ static inline int make_private_signals(void)
 	spin_lock_init(&newsig->siglock);
 	atomic_set(&newsig->count, 1);
 	memcpy(newsig->action, current->sig->action, sizeof(newsig->action));
+	init_sigpending(&newsig->shared_pending);
+
 	spin_lock_irq(&current->sigmask_lock);
 	current->sig = newsig;
 	spin_unlock_irq(&current->sigmask_lock);