linux-kernel - Re: [PATCH 2.6.35/stable] TP_STORE_SIGINFO(SEND_SIG

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Message-ID: <20100608210754.GB6433@nowhere>
Date:	Tue, 8 Jun 2010 23:07:56 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Jason Baron <jbaron@...hat.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Roland McGrath <roland@...hat.com>,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH 2.6.35/stable] TP_STORE_SIGINFO(SEND_SIG_FORCED) == OOPS

On Thu, Jun 03, 2010 at 11:34:09PM +0200, Oleg Nesterov wrote:
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000006
> IP: [<ffffffff8107bd37>] ftrace_raw_event_signal_generate+0x87/0x140
> 
> TP_STORE_SIGINFO() forgets about SEND_SIG_FORCED, fix.
> 
> We should probably export is_si_special() and change TP_STORE_SIGINFO()
> to use it.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>


Queued, thanks!

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