linux-kernel - Re: WARNING in get

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Message-ID: <20201005163016.GB9995@redhat.com>
Date:   Mon, 5 Oct 2020 18:30:17 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     syzbot <syzbot+3485e3773f7da290eecc@...kaller.appspotmail.com>,
        axboe@...nel.dk, christian@...uner.io,
        linux-kernel@...r.kernel.org, liuzhiqiang26@...wei.com,
        syzkaller-bugs@...glegroups.com, Tejun Heo <tj@...nel.org>
Subject: Re: WARNING in get_signal

On 10/05, Oleg Nesterov wrote:
>
> > It looks like this code was introduced in commit 73ddff2bee15 ("job
> > control: introduce JOBCTL_TRAP_STOP and use it for group stop trap").
>
> Yes, but I bet this was broken later, _may be_ by 924de3b8c9410c4.

No, it seems this bug is really old. I'll try to make the fix tomorrow.

Oleg.