From: Oleg Nesterov <oleg@redhat.com>
To: syzbot <syzbot+e7a125aff38791d8cb65@syzkaller.appspotmail.com>
Cc: christian@brauner.io, davej@codemonkey.org.uk,
ebiederm@xmission.com, linux-kernel@vger.kernel.org,
liuzhiqiang26@huawei.com, paul.gortmaker@windriver.com,
peterz@infradead.org, syzkaller-bugs@googlegroups.com
Subject: Re: WARNING in ptrace_stop
Date: Fri, 24 Jul 2020 08:02:44 +0200 [thread overview]
Message-ID: <20200724060243.GA17209@redhat.com> (raw)
In-Reply-To: <00000000000069316005ab2306cc@google.com>
On 07/23, syzbot wrote:
>
> do not call blocking ops when !TASK_RUNNING; state=8 set at [<00000000076362f5>] ptrace_stop+0x0/0x9e0 kernel/signal.c:2054
> WARNING: CPU: 1 PID: 17054 at kernel/sched/core.c:6883 __might_sleep+0x135/0x190 kernel/sched/core.c:6883
#syz fix: sched: Fix race against ptrace_freeze_trace()
prev parent reply other threads:[~2020-07-24 6:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-23 22:03 WARNING in ptrace_stop syzbot
2020-07-24 6:02 ` Oleg Nesterov [this message]
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