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 2CB813358DB; Fri, 27 Feb 2026 04:57:07 +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=1772168228; cv=none; b=OZoaPp6yBvMxfSBQaZWSqPGteee67EO8iQe5G51VnQBIbDmI/OA06R51GVdAb2cluZK7m6TLiwgPNzcvHOk5GoclwOKr5Sv7HfmOOi+ZkRV8qAlZChxDlmI/twwyXKScz+7avxHEgZELIkLuTGT/vWoBFTm3zuzLYNe97rzWYQc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772168228; c=relaxed/simple; bh=RfTAZ85qVi04OeSRvXN0ytOeNEPF+as7CwcUcE6C5Is=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=F5Vy1kjLlFlOcbXV0UWMghGiERkmmCifzYEgQ8mwMtFN5qXENMFWJIgXWRKNE7z/NGSxFcTrCb1LMevDf/GkVm2cibY/resggf5uLzabAB4V348O5LspMgtW8QRwBVcPOF/uyIMG+iKVR3t317Ksxo/j4mXI3I16e3w7+xKDiPI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=2dJuy/O8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="2dJuy/O8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96856C116C6; Fri, 27 Feb 2026 04:57:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1772168227; bh=RfTAZ85qVi04OeSRvXN0ytOeNEPF+as7CwcUcE6C5Is=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=2dJuy/O8gbjIjwEbt1agaN7fc3HVCdVWdtROLqn0R77fOe5FwTiUsZmTvRQ4uhcMX jLunY3L4Hq/H5x66h5NOfV9fQRffD9Vx9NQNqMXbPl3YnGMpBQBcWSEGYcdJg0rwvT CWVUsa6MjppqFJRwqVLlsZnpDuHScEESYOYuU2/I= Date: Thu, 26 Feb 2026 20:56:59 -0800 From: Greg KH To: "Kris Karas (Bug Reporting)" Cc: akpm@linux-foundation.org, jslaby@suse.cz, linux-kernel@vger.kernel.org, lwn@lwn.net, stable@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: Linux 6.19.4 - Oops, regression Message-ID: <2026022612-buckskin-surfacing-d854@gregkh> References: <2026022657-clambake-mountable-8175@gregkh> Precedence: bulk X-Mailing-List: stable@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 Thu, Feb 26, 2026 at 11:46:02PM -0500, Kris Karas (Bug Reporting) wrote: > GregKH wrote: > > I'm announcing the release of the 6.19.4 kernel. > > All users of the 6.19 kernel series must upgrade. > > Just tried 6.19.4 (and 6.18.14) and am getting a repeatable Oops right when > networking is initialized, likely when nft is loading its ruleset from > /etc/nftables/*.conf > > Once the nft Oops triggers, other processes start to throw errors with > memory allocate/free, resulting very quickly in an unusable system. I have > several systems that run iptables, which are unaffected, notably my border > router with 400+ rules. I have three systems running nftables, one of which > is affected, the affected one having the more sophisticated nft ruleset > (bridging, 802.1Q, etc). Ick, not good. Can you do 'git bisect' to find the problem commit? As you have a pretty reliable reproducer it should go pretty fast. But first, does 7.0-rc1 work or also crash the same way? thanks, greg k-h