From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 1059050AC0D; Wed, 30 Sep 2026 16:04:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790784287; cv=none; b=TdidGVLfO5vYDCEqF7CymKwZ+dNgC/aNygjC5QamCiPXhtTfpPnYSrLAaKsqpZSbzisfxsxxeYIm5fiB9WLLQXLUWVA+4KxiYUQEqdrdDvz5/2/6lQXQ3uMw2zpvJledTVFnMBfjYSfl5hcqawi1SqBcQ+v6Z3hKz5ZkTVUOB78= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790784287; c=relaxed/simple; bh=sf7JkiBrlIFrbpSAB5jWBphc8IXCwEYLYqWnamke+MY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aYYJiqJ3qkkV0fpJnuDZ6ADVebeqSZnXnY0Ue4DCsDFjffvK3jCiIP2eSNi3H9OjghaZyI1iHmfGWRiWl2nzOxX20kN68AXhvD1n2IlyF6J8+NUPontgPuhl7saA23fSYNberzoN5NEwaeImzp9VzZAQePh2VbhSWWg+XBKEabM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Lz4HZ+iO; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Lz4HZ+iO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E811F1F000FF; Wed, 30 Sep 2026 16:04:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790784284; bh=xsjJ24tQ5ljmlVOO2mMMeo31KPYZe+omuEvM50E0/m0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Lz4HZ+iOkiVr5Au/6X2Mo17Q9HAJmzL7pxvLZmt8HEeXd+Z9M8/qIXkT/P+Ns6+2E JDjFBNsAyUOFmpRRwxYmSQbEYiXcf5xdpuTTcjn8ivc7tipt1xq3YsIPa9tPD9r0hj /bgtiFlQieMYRiqSfrRXUVy/3U5kQgTRV2iUOVXYKJbo7p/3PMcJOJf0xnBNaw+K0d 7GjLJFMwJ/XI1+XbUGrnrqKCwmoc1F0YhhXG9wZ1ArbLMW5I01xvS6dyKUrA3/ppIy lt6A0kln3CgAjcM1gzHI9LJPjvPx1b1Dn1Z/75PbC3WLCA7gka1AVow9iv0BDKF4hQ bxJaEtq2tiDcQ== Date: Wed, 30 Sep 2026 17:04:38 +0100 From: "Lorenzo Stoakes (ARM)" To: Anirudh Srinivasan Cc: Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , Brian Geffon , Minchan Kim , Kiryl Shutsemau , linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 0/2] mm/mremap: fix two issues with MREMAP_DONTUNMAP Message-ID: References: <20260920-fix-dontunmap-partial-self-merge-v1-0-6ffb556f8f8b@kernel.org> 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: On Wed, Sep 30, 2026 at 10:59:50AM -0500, Anirudh Srinivasan wrote: > On Sun, Sep 20, 2026 at 03:13:09PM +0100, Lorenzo Stoakes (ARM) wrote: > > Signed-off-by: Lorenzo Stoakes (ARM) > > --- > > Lorenzo Stoakes (ARM) (2): > > mm/mremap: fix locked_vm leak from MREMAP_DONTUNMAP self-merge > > mm/mremap: fix locked_vm leak by splitting VMA for MREMAP_DONTUNMAP > > Hello, > > Apologies for the double mail. I did not hit reply all first time. > > I am seeing some failures in the proc_maps_race kselftests after > this patch was added to linux-next. The failures are in > test_maps_tearing_from_remap and test_maps_tearing_from_resize. I have > attached some logs below Ack thanks for the report. I'll dig into this and get back to you! Instinctively I suspect the tests are making assumptions they shouldn't be, given this series has the MREMAP_DONTUNMAP case split in advance. -- Cheers, Lorenzo