From: Matthew Wilcox <willy@infradead.org>
To: Peter Xu <peterx@redhat.com>
Cc: Hillf Danton <hdanton@sina.com>,
kernel test robot <lkp@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org
Subject: Re: f45ec5ff16 ("userfaultfd: wp: support swap and page migration"): [ 140.777858] BUG: Bad rss-counter state mm:b278fc66 type:MM_ANONPAGES val:1
Date: Fri, 10 Apr 2020 08:38:05 -0700 [thread overview]
Message-ID: <20200410153805.GA21484@bombadil.infradead.org> (raw)
In-Reply-To: <20200410153234.GB3172@xz-x1>
On Fri, Apr 10, 2020 at 11:32:34AM -0400, Peter Xu wrote:
> I'm still trying to digest on what's happened... It would be good too
> if more information on the test could be given, e.g., what is the
> behavior of trinity-c2. A reproducer is of course even better.
Trinity is a syscall fuzzer. Don't expect what it's doing to make any
sense, it's just executing syscalls at random.
next prev parent reply other threads:[~2020-04-10 15:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-10 0:25 kernel test robot
2020-04-10 7:32 ` Hillf Danton
2020-04-10 15:32 ` Peter Xu
2020-04-10 15:38 ` Matthew Wilcox [this message]
2020-04-10 18:14 ` Peter Xu
2020-04-11 1:21 ` f45ec5ff16 ("userfaultfd: wp: support swap and page migration"): BUG: Bad rss-counter state Hillf Danton
2020-04-12 12:54 ` f45ec5ff16 ("userfaultfd: wp: support swap and page migration"): [ 140.777858] BUG: Bad rss-counter state mm:b278fc66 type:MM_ANONPAGES val:1 Hillf Danton
2020-04-12 21:45 ` Peter Xu
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