From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hua.moonlit-rail.com (hua.moonlit-rail.com [45.79.167.250]) (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 D197C36896C; Fri, 27 Feb 2026 06:26:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.79.167.250 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772173574; cv=none; b=enc6+dLOTw48CLqxGaxvYLYqD2bfgQJHoO6KnDEU8rCGJFXMViEf3/ulrRtsvLZ4u3eXotzy4qN3tE0Fow1x3vPTLi3Ye9C4pJPLXF7abPERs9UEMYhiqzU37b4lucCpg8t5RMIWx4W/WXcEabwBhwwrBSo12Zb1tczPJjT/q9I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772173574; c=relaxed/simple; bh=omCANq+GO161ANZd59TZbJcYRvMmMi1XT60uk2wCXxI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mTj+uB4UvO92B4+6SSNS0EUyQ6Xs6queOAs7g7XZQjRXqTjxD86Y7u3CK47jQHHF5aCMQ7AWbEvh+0brZYB6FzHfaDPtg5qaalM3yaNPfn7DkSTtyiFcU+SLoG7pxhzWGAXxV1HPCqAgLf39k6kQitHJsN9uEYSi8P0DPxwjdiU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=moonlit-rail.com; spf=pass smtp.mailfrom=moonlit-rail.com; dkim=pass (2048-bit key) header.d=moonlit-rail.com header.i=@moonlit-rail.com header.b=BIiCfi1Z; dkim=permerror (0-bit key) header.d=moonlit-rail.com header.i=@moonlit-rail.com header.b=nfzf3rf2; arc=none smtp.client-ip=45.79.167.250 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=moonlit-rail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=moonlit-rail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=moonlit-rail.com header.i=@moonlit-rail.com header.b="BIiCfi1Z"; dkim=permerror (0-bit key) header.d=moonlit-rail.com header.i=@moonlit-rail.com header.b="nfzf3rf2" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=moonlit-rail.com; s=rsa2021a; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To: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=SboBPE69nohA7mfKCJwIEx+BjmV4eSsPoVcPFw3dtvQ=; t=1772173571; x=1774765571; b=BIiCfi1ZwHRN/Oz1KcqYRLg1N/PVE84MQfPobtKUN1+ff/WBlRlO2dKzn7GNqrmT9zav0zL0F1P llCCeDDNAfGqzr4wQnvAV9jlLn+0FS+gj5tj+7YeAv5JzzOkF6dqeaX2kvs6tWhjB5qZmn7IdsBqH hEI3vv2HkyH1EvW7K7hmGEhze1LrXUPOqWFaDfK3n3/xIEPffpFhnFWln6r2oTGDa8ErvAPqJtBwb Fezpxr4X4rqxQrlby9FSsz+neo2p4aqVsREdheWxOMFXnExfh73KCGY2YU/gWrCpJUpbcypUNI0tD y70jSWfvhGG4OjAehdsZIMrzcb2HUasXJxOQ==; DKIM-Signature: v=1; a=ed25519-sha256; q=dns/txt; c=relaxed/relaxed; d=moonlit-rail.com; s=edd2021a; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To: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=SboBPE69nohA7mfKCJwIEx+BjmV4eSsPoVcPFw3dtvQ=; t=1772173571; x=1774765571; b=nfzf3rf2KhtpkgRfcCX2Os9r4LZjqYmDaM2O2vMspO1lmrqyYCk9QSg9rsDJuLvGpujuqSYrsnv RMnv0MSUKAQ==; Message-ID: Date: Fri, 27 Feb 2026 01:26:11 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Linux 6.19.4 - Oops, regression To: Greg KH Cc: akpm@linux-foundation.org, jslaby@suse.cz, linux-kernel@vger.kernel.org, lwn@lwn.net, stable@vger.kernel.org, torvalds@linux-foundation.org References: <2026022657-clambake-mountable-8175@gregkh> <2026022612-buckskin-surfacing-d854@gregkh> From: "Kris Karas (Bug Reporting)" Content-Language: en-US, en-GB In-Reply-To: <2026022612-buckskin-surfacing-d854@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Greg KH wrote: > 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. Bisect complete (from 6.19.3 to 6.19.4) > e308d4e35ce1e26cd67070a7035ad265662ab9e5 is the first bad commit > commit e308d4e35ce1e26cd67070a7035ad265662ab9e5 > Author: Pablo Neira Ayuso > Date: Wed Jan 21 01:08:45 2026 +0100 > > netfilter: nft_set_rbtree: translate rbtree to array for binary search > > [ Upstream commit 7e43e0a1141deec651a60109dab3690854107298 ] > > The rbtree can temporarily store overlapping inactive elements during > the transaction processing, leading to false negative lookups. [snip] Kris P.S. I ran the bisect from 7.0-rc1, so many reboots there, and it is fine. The bug only seems to affect 6.x