From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ms.lwn.net (ms.lwn.net [45.79.88.28]) (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 835251078F; Tue, 16 Sep 2025 14:20:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.79.88.28 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758032418; cv=none; b=aWWGDc/ruSasPIParLoXU5A1Crb6QBaQLNw9YWkYbEcrZI89ko+yI05Yc15mlT8jgR4vjKqa4+YftWdftCD4ynnQY4txrWiiyglLdtfzHtcOstv0UqME1Kq6C7YnA0oqsR5v9ckUJ9zZovYXID3NiNkUiksedRCjAvxLon4G8uA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758032418; c=relaxed/simple; bh=gxDtgHz7G1qQsGNenAHFPQ0Z2+aX6Y9VV1cwAM/Bx0k=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=HTyM+OWagcmXP9a77A4Dw/wLqFTpzMGsdjpg20w7K4ZvS9ppNYzanCZc/9ZZDA86HYDYTGH5w11AJly7ZIlyMgHsTebJukeslwgUXpGGchvGH+TpCIn9QpHIsNXC1DdcZoqqjTyZl8yk+4210DK1XqB2mMU+Dxk9fT7LX5C/OJk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lwn.net; spf=pass smtp.mailfrom=lwn.net; dkim=pass (2048-bit key) header.d=lwn.net header.i=@lwn.net header.b=ZmjL6RjW; arc=none smtp.client-ip=45.79.88.28 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lwn.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lwn.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lwn.net header.i=@lwn.net header.b="ZmjL6RjW" DKIM-Filter: OpenDKIM Filter v2.11.0 ms.lwn.net 6F8B140506 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lwn.net; s=20201203; t=1758032415; bh=zYbUqQqq5gBAL5NIx7a64DWZNoB49w8Fp0Gj3T0pxnM=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=ZmjL6RjWsOZ3eAjNFWsOuzjJ0Ru9j9OUpBRNBMRLLKNfG48ZXDy7L1DBpuUggW6Sb Kchk7t0p0giMOvQ+nErBhBHHuOMLmgD2X0Os32s4ZIHYuaOxRxO95RmmZmombPAI6x VnU5WL1lASRpwAuGmchNSyDbfhNSbjgWo95ypTGez30DhV5nm91BcgQrda0Fc34U/0 X14t+pZGhwYrqfWabPVAD1U+rr8gEiYrdFwLfCtkOMSSbfMIOyv5m5HgVyts62/am/ E1zv0QBP7UDkqON3AtqWjJI0Wa2A6d5d4VTIaaxZMvOTJYdeTACO+Jawj+JyfdW1fg eH5UgPsER07pA== Received: from localhost (unknown [IPv6:2601:280:4600:2da9::1fe]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 6F8B140506; Tue, 16 Sep 2025 14:20:15 +0000 (UTC) From: Jonathan Corbet To: Andrew Morton , Kalesh Singh Cc: minchan@kernel.org, lorenzo.stoakes@oracle.com, david@redhat.com, Liam.Howlett@oracle.com, rppt@kernel.org, pfalcato@suse.de, kernel-team@android.com, android-mm@google.com, stable@vger.kernel.org, Alexander Viro , Christian Brauner , Jan Kara , Kees Cook , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , Jann Horn , Shuah Khan , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v2 1/7] mm: fix off-by-one error in VMA count limit checks In-Reply-To: <20250915153642.7f46974a536a3af635f49a89@linux-foundation.org> References: <20250915163838.631445-1-kaleshsingh@google.com> <20250915163838.631445-2-kaleshsingh@google.com> <20250915153642.7f46974a536a3af635f49a89@linux-foundation.org> Date: Tue, 16 Sep 2025 08:20:14 -0600 Message-ID: <87v7lifpi9.fsf@trenco.lwn.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Andrew Morton writes: > On Mon, 15 Sep 2025 09:36:32 -0700 Kalesh Singh wrote: > >> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > > lol. > > x1:/usr/src/25> grep "Fixes.*1da177e4c3f4" ../gitlog|wc -l > 661 > > we really blew it that time! A few years back I made a list of the most-fixed commits in the kernel history; unsurprisingly that one (I call it the "original sin") came out on top: https://lwn.net/Articles/914632/ Perhaps the time has come to update that analysis. jon