31 lines
964 B
Diff
31 lines
964 B
Diff
|
From 3b02a0b327e000ecf6572b4bc623367817a68fdc Mon Sep 17 00:00:00 2001
|
||
|
|
From: Thomas Gleixner <tglx@linutronix.de>
|
||
|
|
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 <tglx@linutronix.de>
|
||
|
|
---
|
||
|
|
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
|
||
|
|
|