From 3b02a0b327e000ecf6572b4bc623367817a68fdc Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 3 Jul 2009 08:29:20 -0500 Subject: [PATCH 053/365] posix-timers: Prevent broadcast signals Posix timers should not send broadcast signals and kernel only signals. Prevent it. Signed-off-by: Thomas Gleixner --- kernel/time/posix-timers.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 0e6ed2e7d066..06ef7e413209 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -526,6 +526,9 @@ static struct pid *good_sigevent(sigevent_t * event) case SIGEV_THREAD: if (event->sigev_signo <= 0 || event->sigev_signo > SIGRTMAX) return NULL; + if (sig_kernel_only(event->sigev_signo) || + sig_kernel_coredump(event->sigev_signo)) + return NULL; /* FALLTHRU */ case SIGEV_NONE: return task_pid(rtn); -- 2.28.0