forked from rrcarlosr/Jetpack
31 lines
953 B
Diff
31 lines
953 B
Diff
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From 98b54733d416b53b05fdd0727808cf7a5063cc2b Mon Sep 17 00:00:00 2001
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Fri, 3 Jul 2009 08:29:20 -0500
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Subject: [PATCH 053/352] posix-timers: Prevent broadcast signals
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Posix timers should not send broadcast signals and kernel only
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signals. Prevent it.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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kernel/time/posix-timers.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
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index 0e6ed2e..06ef7e4 100644
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--- a/kernel/time/posix-timers.c
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+++ b/kernel/time/posix-timers.c
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@@ -526,6 +526,9 @@ static struct pid *good_sigevent(sigevent_t * event)
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case SIGEV_THREAD:
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if (event->sigev_signo <= 0 || event->sigev_signo > SIGRTMAX)
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return NULL;
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+ if (sig_kernel_only(event->sigev_signo) ||
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+ sig_kernel_coredump(event->sigev_signo))
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+ return NULL;
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/* FALLTHRU */
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case SIGEV_NONE:
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return task_pid(rtn);
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--
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2.7.4
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