From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (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 F2C5E25A623 for ; Mon, 3 Feb 2025 07:15:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.60.130.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738566920; cv=none; b=Ygc4NXbxDEk5LRPz3N+msrG2ps+52gYm8IrJ/W7I/0b2WDTvu8yGGq9oi4d8yFh2g9mV8A1SJd191lZ3pgjI/8x7Uk6HKsxM8795qqSrli1L3+b0H9EwibXSaiJxqjnvHyLrYyDz4c/Mn54i27TYJXW9TT8NFxGcs5KJtF8AVu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738566920; c=relaxed/simple; bh=jw6+U8xlaNUjsd6UhP8mD8J3nq2hkDmfGrkHGo76Ops=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=J3nV9kWDQSpkUj+JJBjxDY5cFye+iZruVAHzeI2kcxiKKYD4x+aZtgRnWv/VO+1eKYQCWGdZEL2XVkLIeiKeCP4JK+mHi0G4jN/WhZcUydynbFjvauaYiO/sa0ExpQA99T815+RAFsRNsnb0x+tNj9Rm+tghwnSyp3x6zdiNR8E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=U/NgaN4D; arc=none smtp.client-ip=178.60.130.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="U/NgaN4D" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Type:MIME-Version:Message-ID:Date:References: In-Reply-To:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=jw6+U8xlaNUjsd6UhP8mD8J3nq2hkDmfGrkHGo76Ops=; b=U/NgaN4DEOjYsIEpgbnGiLAhlx TOwoLcgMcxALccqvidIh40Vb7GCQTpYM7tgBZAe9ksbTPK/1O+b4e2tP/DIOew83hn5Gg1Lw1lLKv Yo/adSR2L0ijp5UbG7rjjID+U0mcOtQxbk0/tvg1H3EJDkpBaauiZ7Ds43JZiYIyyDB3Gt9LLMaEP fGKToifJLOZyC3+j8q/pYQtZEIkerard1CoK/2ycHtxhQ+3nxLNyJJCs9kH/SbaG0sOe6PHEW12+e eJXj9Yg3j4C7KaXcraFv1FASDEOJs3DOwberbD0y1Gcrcv/oe00oTmPq6iCmAvJtmCt4a18fx+MAU BUOgFIYg==; Received: from 253.red-79-144-234.dynamicip.rima-tde.net ([79.144.234.253] helo=localhost) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1teqfU-002vbB-N6; Mon, 03 Feb 2025 08:14:58 +0100 From: Ricardo =?utf-8?Q?Ca=C3=B1uelo?= Navarro To: Andrew Morton Cc: riel@surriel.com, linux-mm@kvack.org, stable@vger.kernel.org, kernel-dev@igalia.com, revest@google.com Subject: Re: [PATCH] mm,madvise,hugetlb: check for 0-length range after end address adjustment In-Reply-To: <20250131142321.632a9468529d3267abe641af@linux-foundation.org> References: <20250131143749.1435006-1-rcn@igalia.com> <20250131142321.632a9468529d3267abe641af@linux-foundation.org> Date: Mon, 03 Feb 2025 08:14:57 +0100 Message-ID: <87ldunxzwu.fsf@igalia.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Hi Andrew, On Fri, Jan 31 2025 at 14:23:21, Andrew Morton wrote: > Perhaps add a comment telling the user how this situation can come about? Sure, I'll add the description to v2. Thanks for reviewing it! Ricardo