From: Rafael J. Wysocki <[email protected]>
Do not allow processes to clear their TIF_SIGPENDING if TIF_FREEZE is set,
to prevent them from racing with the freezer (like mysqld does, for example).
Signed-off-by: Rafael J. Wysocki <[email protected]>
---
kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.23-mm1/kernel/signal.c
===================================================================
--- linux-2.6.23-mm1.orig/kernel/signal.c
+++ linux-2.6.23-mm1/kernel/signal.c
@@ -124,7 +124,7 @@ void recalc_sigpending_and_wake(struct t
void recalc_sigpending(void)
{
- if (!recalc_sigpending_tsk(current))
+ if (!recalc_sigpending_tsk(current) && !freezing(current))
clear_thread_flag(TIF_SIGPENDING);
}
-
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