linux-kernel - Re: INFO: rcu detected stall in corrupted (3)

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Message-ID: <20190330104529.GB5935@zn.tnic>
Date:   Sat, 30 Mar 2019 11:45:29 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        syzbot <syzbot+65cecdd27b726c261799@...kaller.appspotmail.com>,
        syzkaller-bugs@...glegroups.com, "H. Peter Anvin" <hpa@...or.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>, mingo@...hat.com,
        x86@...nel.org, Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>
Subject: Re: INFO: rcu detected stall in corrupted (3)

On Sat, Mar 30, 2019 at 07:40:11PM +0900, Tetsuo Handa wrote:
> But how can the scheduler be aware of various watchdogs' thresholds?

I think what tglx means is sched_setattr() should be fixed to fail due
to the bogus value.

-- 
Regards/Gruss,
    Boris.

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