From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>, Michal Hocko <mhocko@kernel.org>
Subject: [PATCH v2] syzbot: Dump all threads upon global OOM.
Date: Fri, 7 Sep 2018 22:21:06 +0900 [thread overview]
Message-ID: <312c642d-559b-92c7-0377-d98ec416e0bd@i-love.sakura.ne.jp> (raw)
In-Reply-To: <CACT4Y+ZN9ZccjgzUy=8gBntWdau5H1wtLxsh6ZautaTNdMvieQ@mail.gmail.com>
On 2018/09/07 21:57, Dmitry Vyukov wrote:
>> @@ -446,6 +447,10 @@ static void dump_header(struct oom_control *oc, struct task_struct *p)
>> if (is_dump_unreclaim_slabs())
>> dump_unreclaimable_slab();
>> }
>> +#ifdef CONFIG_DEBUG_AID_FOR_SYZBOT
>> + show_state();
>> + panic("Out of memory");
>
> won't this panic on every oom?
> we have lots of oom's, especially inside of cgroups, but probably global too
> it would be bad if we crash all machines this way
>
>
OK. Here is updated patch.
prev parent reply other threads:[~2018-09-07 13:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-07 11:23 [PATCH] syzbot: Dump all threads upon OOM Tetsuo Handa
2018-09-07 12:57 ` Dmitry Vyukov
2018-09-07 13:21 ` Tetsuo Handa [this message]
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