linux-kernel - Re: WARNING: syz-executor still has locks held!

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Message-ID: <20190322103503.GA8681@amd>
Date:   Fri, 22 Mar 2019 11:35:03 +0100
From:   Pavel Machek <pavel@....cz>
To:     Oleg Nesterov <oleg@...hat.com>
Cc:     Michal Hocko <mhocko@...nel.org>,
        syzbot <syzbot+b70f2aabc707c69c9239@...kaller.appspotmail.com>,
        chanho.min@....com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, rafael.j.wysocki@...el.com,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk,
        Ingo Molnar <mingo@...e.hu>
Subject: Re: WARNING: syz-executor still has locks held!

Hi!

> > > > as removing the cgred is way way too complicated.
> > >
> > > We need to do this anyway, this leads to other more serious problems...
> >
> > Yes but this is far away and it doesn't really seem like a stable tree
> > material
> 
> strace -f can hang ;) so this is the stable material.

Stable is only for obvious fixes... and this looks to be far from
simple/obvious.

And yes, strace -f is a bug, but ... not really sufficiently serious one.
									
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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