From: Peter Zijlstra <peterz@infradead.org>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Sasha Levin <sasha.levin@oracle.com>,
Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@redhat.com>
Subject: Re: WARNING: CPU: 12 PID: 16862 at ./arch/x86/include/asm/thread_info.h:236
Date: Mon, 30 Nov 2015 17:52:44 +0100 [thread overview]
Message-ID: <20151130165244.GA3816@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20151130164404.GZ22011@ZenIV.linux.org.uk>
On Mon, Nov 30, 2015 at 04:44:05PM +0000, Al Viro wrote:
> On Mon, Nov 30, 2015 at 11:20:44AM -0500, Sasha Levin wrote:
> > Hi all,
> >
> > I've hit the following while fuzzing with trinity on the latest -next kernel:
>
> __set_current_state(TASK_INTERRUPTIBLE);
> schedule();
> set_restore_sigmask();
>
> somehow got out of schedule() without TIF_SIGPENDING being set...
A random wakeup (which are always possible) can make that happen, right?
I'm (as always) a little vague on signals, but who is responsible for
setting that bit?
next prev parent reply other threads:[~2015-11-30 16:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-30 16:20 WARNING: CPU: 12 PID: 16862 at ./arch/x86/include/asm/thread_info.h:236 Sasha Levin
2015-11-30 16:44 ` Al Viro
2015-11-30 16:52 ` Peter Zijlstra [this message]
2015-11-30 18:48 ` Oleg Nesterov
2016-01-09 7:08 ` Al Viro
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