From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0227736CDEF for ; Wed, 18 Mar 2026 11:41:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773834074; cv=none; b=lmvT1s+79bsDJsIO0acbaoTdQmZEW0sbOg0fdjgDOhFnRvxmsOrDmJBCaC3Sbl2wO1yOIlvTrVE8h5pH67YHWvriBPhmmyaZ+KoLm9QLxQ5n+uHQnW1h+1v6cdS1DE692kyqDk/kouLilnxyoIC/Y6b7Rgpzk6JkNN5/YEuhKsg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773834074; c=relaxed/simple; bh=nQ8MkqEsKrVdCQ9govDMyEZ0IN5SlmXcdUBBNXTui9E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lr9c9owhtTjA/POCV1EpVx8lK5OYCITobiOajdtGDx4tNO82tbCWPyLTkpPyEhIr1kbBE32nuLMQfqbYGRgqcTFzU7uwoZ16KAv0fEipLetmnMULS0XLGger0MbBUHT7KIkI+l3nHplRv4GUXCIAA896fHTZKRMSm6Y3Aja+3Pg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qEzVkat+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qEzVkat+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 659B7C2BC9E; Wed, 18 Mar 2026 11:41:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773834073; bh=nQ8MkqEsKrVdCQ9govDMyEZ0IN5SlmXcdUBBNXTui9E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qEzVkat+FFXzCyXvoV6eGzMGPuWW6u/V/Eji+qDjQfneEHEL5tSwpazkVdPYGvp8h xHTdDwpihZRffG4+u/8XASLEhByyaxi8U6iiGDD/iKj2hBvTx5QWgcrUo230hTc5m8 JdxFLQl2C+XdV93NBevFhbS5shJW2qelm0hCzojuakn8vdsHXwT6k36s6Y57WMI5Pl OgiiH6DnsdWu899M5a69kPnrtmWD66jPvFI7R4WSIuzi9KPcSpw+A4n8lixJ3N/KHs qJEmDb2Y20VILWrqIsUtirpmyT+NNmDtKSqeSBsmzaJ7JNK4gxqm8YxvskZLgPdkwr PRRZ3fzsmRY1g== Date: Wed, 18 Mar 2026 11:41:11 +0000 From: "Lorenzo Stoakes (Oracle)" To: Jiakai Xu Cc: LKML , linux-mm@kvack.org, Liam.Howlett@oracle.com, akpm@linux-foundation.org, david@kernel.org, harry.yoo@oracle.com, jannh@google.com, riel@surriel.com, vbabka@kernel.org Subject: Re: [BUG] WARNING in unlink_anon_vmas() Message-ID: <64b4b6b6-dfe7-4873-9474-5ef980352fea@lucifer.local> References: <12501051-98d4-479a-8f10-547b2c08ad59@lucifer.local> <9f192045-f348-4341-8a45-867f4fd34a0b@lucifer.local> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9f192045-f348-4341-8a45-867f4fd34a0b@lucifer.local> On Wed, Mar 18, 2026 at 11:23:20AM +0000, Lorenzo Stoakes (Oracle) wrote: > > On Wed, Mar 18, 2026 at 06:42:49PM +0800, Jiakai Xu wrote: > > > If this turns out to be a real bug and there is anything I can do to help > > > with fixing or testing, I am happy to do so. I hope this report is useful > > > and sorry for any noise if it has already been addressed. > > > > Do you happen to have a copy of the full dmesg output? Particularly looking > for where the fault injections were made. > > Does this reliably repro for you consistently or is it now and again? > > If reliable repro, could you try it with the upstream tree also? > e.g. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ at > master? Actually no need figured it out :) Cheers, Lorenzo