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Re: WARNING: CPU: 12 PID: 16862 at ./arch/x86/include/asm/thread_info.h:236

From Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups linux.kernel
Subject Re: WARNING: CPU: 12 PID: 16862 at ./arch/x86/include/asm/thread_info.h:236
Date 2015-11-30 17:50 +0100
Message-ID <qAzOi-66r-25@gated-at.bofh.it> (permalink)
References <qAzuW-5YC-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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...
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WARNING: CPU: 12 PID: 16862 at  ./arch/x86/include/asm/thread_info.h:236 Sasha Levin <sasha.levin@oracle.com> - 2015-11-30 17:30 +0100
  Re: WARNING: CPU: 12 PID: 16862 at  ./arch/x86/include/asm/thread_info.h:236 Al Viro <viro@ZenIV.linux.org.uk> - 2015-11-30 17:50 +0100
    Re: WARNING: CPU: 12 PID: 16862 at  ./arch/x86/include/asm/thread_info.h:236 Peter Zijlstra <peterz@infradead.org> - 2015-11-30 18:00 +0100
      Re: WARNING: CPU: 12 PID: 16862 at  ./arch/x86/include/asm/thread_info.h:236 Oleg Nesterov <oleg@redhat.com> - 2015-11-30 19:50 +0100

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