From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.17.12]) (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 41C391AAD7 for ; Wed, 2 Oct 2024 22:57:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727909859; cv=none; b=iFbaK59jge0nScaSzIxZQk9ilKcmx0IIlDhuXjRh7Zw0ZPuYyNvkOVWF1orxyXTkkew4fT8aQb4BXCOhRP8m0esSFmRmiwwLIGGX2xVlZmT1uQQL7muOx0FpNaTo2mCLvwkRTcU2aGHWcU5rbI1HZ9E5jB+R/yTBbQxKjck1LVA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727909859; c=relaxed/simple; bh=lAsF6IVlXe40lBcUjo3FNXG5ZR2xnvYds3q3H9gIiis=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PUpfX6CKBOp1yLoIqMc9xznyzu7NMuesEMVcvtTc7MIqYpMeb1Q2LX9ZMlBsMGh/sZkE6lO9kdHRMWXiZIBXSUwDFjyNZjajVMoh7kJU1sSv/JvYMl9Mf/ehZamV0g7cJ+B/yB2Vadg1tpvSXjpjBl1a0HZPCbi+1vCyEKtqOOs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=spasswolf@web.de header.b=gbxsAUOw; arc=none smtp.client-ip=212.227.17.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=spasswolf@web.de header.b="gbxsAUOw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1727909845; x=1728514645; i=spasswolf@web.de; bh=lAsF6IVlXe40lBcUjo3FNXG5ZR2xnvYds3q3H9gIiis=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:Message-ID:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=gbxsAUOwkeWXl2SNwA4MrgBVE9/fPcXzpEwoKtcjgMMIAtkCOmO0sea1azblrVkI wm1V98Nl7ulw3MlM8yCgpzNE9XEYP4pDbaM/VIfkUOsvcw68ZGJMFRpyndcqJ/ejN Y9uiFxRKZkqfspPDbgJojPkrDsLGsdEmxyb+HpxpxcvgRRL9jN3pZT4SqoBIzcRjv mlDKRkIHSOdpbgVM7oENt9cHQi4WzaX8dOe/YCnALXtzf3KGU6yUddxhYjxq222eD 511EcFfgSDj/jXOmOqaZg1eApcDcy/1TfYFuUp86S7GsEzC3AdbpbtCUA8+3hZ4h5 l9V4GawU1GcuP3fCMg== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from localhost.localdomain ([84.119.92.193]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MftBr-1sFvhs1dvt-00ffPO; Thu, 03 Oct 2024 00:57:25 +0200 From: Bert Karwatzki To: Lorenzo Stoakes Cc: Bert Karwatzki , "Liam R . Howlett" , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region() Date: Thu, 3 Oct 2024 00:57:20 +0200 Message-ID: <20241002225722.3746-1-spasswolf@web.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: 20241002215808.5475-1-spasswolf@web.de> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:dcVF57nzmWjv9Kqavfj3Y87JdJ1oZOuf/cHghXf4g0NowELCMbU jqz97cwAqPSLqhh/s2yW24UmYUEy0lwZgVYt+ojKUEvuK5ZyvRDRsihOYn5temfNPCNF86t xRgSKyXVrfFbZk/oev+hbd2dLCI5OucbWJRFR+2hqFYeP/V0yuO+oR8LyrI09uWtdEElIY9 tWnDNZSaTbYL/N/SITY1A== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:hlQOM40TuE8=;Bihb255ISJTyIiQH3W7mKk0/Q6O SpUSd4J0SE+usEC15yDfmX/DvOLf2NpwJf/G9fC2P3ZnlL2yFs29CHbfeCrrSwI3XYeVgoepF 6S21Ukfb6TlJa4mkurKj6S9fg48IhrGX+e1K8ZfVGSLIwKX0QHDTxxyBSdno7fLeYmFA8WW9T 6QCPKyDdXVcUGAVEDGEidgzQUln0PFKzuvhM+C72Wfx5kHXsGezRNJHxnsul6yzCiiPENC2b5 GDl6tcJPFTYW2JUjBspSG/FwaHdxCI/knx3Da15+JzEWsEU7exW6DJgkicA6ooIchGZJmclkA bKY9en3+qNuOh111zkokjFmyA8EeEq45LIq2zh482maHCanMtMwiC4Nfh4PwCI+BJT8MM2+gD 8oaz5oqIvWiiDiAApp6IO1EZLz79+EWmzpEFBEoZQMNajfabjpbdFz1aonxrjk+Vb51bq1rce GOeWrTF9Z4l149NQx8TO3SRihsrm1cU0dAARWVW1XSTnTY2agv9RBVMVGYe75FLwqQT5qeC9g e9jNVWZV2owgGT7HMspv7QWcBkzPCR4LSXwBpiAXvThiIiYnc3s2xNULMCF/xPkUuRm6cGw3N wg35ZbWjRwk9Zcs6jtuyxULWft9c8oUcCVjxGl9VH5ZqvdqUPjG4Bf0EiBJFgXoi4ceuiRP7e 4eK+s04AGr7XrhumBZ5+syqnFw4zcGaB0q2n4BWgR8yxGnTYzlj7IrFtZWm5WjUJjl3FZNoRC TfTS6ps5BTCv6IwKlfXBoNA8CM5Ci4QEWg7xNuuwgPzMJ96ITnQwqQmQEqh34SZrWL0ZxTu7g idSk2fpwgIIO6e2Y+nU2zHzQ== I justed tested the same kernel version with a .config which was created by copying the .config from the standard debian kernel, running "make xconfig" and saving. I got a crash here, too, but only on the second attempt (this has happend a few (~3) times before). I'm not posting the log as it got to long due to the repetion of the procedure, also a standard debian kernel does not print the thread id which I guess will make the log more confusing. Bert