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 0E353382294 for ; Thu, 23 Apr 2026 16:34:21 +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=1776962062; cv=none; b=WPfdfi0wXdutq7nVosALtBHuDufeVhj2zFXNjlEjRD8/o6eGRwZ2VM5b0xYe6QvC+pnzuIFv1uMPpqmStjZkCVwZpINU9MOrXOtG74wdkGnhDLSCfxtxsKvvBXrnRbTvwQQ3fX3zD6m6p4bKTNwPkAgANO3+Y0EhCwaJ7z3GTHA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776962062; c=relaxed/simple; bh=4GV1LwaL3R4CX1TrfKOJFk6xyY24OhR67CD4uj8q+bU=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=EXCn6ufjOor1gIF/cXBtJhJIolcGgM+qfYPPZTmpGRpmRUydBvvYaQw9LldQCalrBTlI9bVHPBkhFQ4avElzfxVk7RMsHGwvGrBH+L6y5cSXJ2jAc9bktugSER1EdGNcFYxFzV2t3NukPAI2/eT7RV48Wb77WO2r9T8pq2TFYxU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=LY6y2g3W; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="LY6y2g3W" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A45FC2BCB9; Thu, 23 Apr 2026 16:34:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1776962061; bh=4GV1LwaL3R4CX1TrfKOJFk6xyY24OhR67CD4uj8q+bU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=LY6y2g3WBxYtdzT+hfNtg/JvaPHW+XC90lR1gRan7/v/4IBBPjb1RWeIO/0W56iIG QAn3WyDcQKDd4NgSzzsCrLc9bsjttE8KNwLDN/16GQNEMYy//oUR/mU+3ros/FSSFb VpmxAVRPRogBwV83wNCwZEEgLXkx1KQL6GSJIE3Q= Date: Thu, 23 Apr 2026 09:34:20 -0700 From: Andrew Morton To: "Liam R. Howlett" Cc: Marco Elver , syzbot , jannh@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, pfalcato@suse.de, syzkaller-bugs@googlegroups.com, vbabka@kernel.org Subject: Re: [syzbot] [mm?] KCSAN: data-race in mas_wr_store_entry / mtree_range_walk (2) Message-Id: <20260423093420.038ce8c6ffb45279d0a809a0@linux-foundation.org> In-Reply-To: <4ub4x275tpkop5jbx3l7p7zqeww32tb2yzhdgqqkvakri7dyih@bdxuedw5utlc> References: <69e1f975.050a0220.1de265.0009.GAE@google.com> <4ub4x275tpkop5jbx3l7p7zqeww32tb2yzhdgqqkvakri7dyih@bdxuedw5utlc> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 20 Apr 2026 15:29:00 -0400 "Liam R. Howlett" wrote: > Link: https://lkml.kernel.org/r/20230628073657.75314-5-zhangpeng.00@bytedance.com > Signed-off-by: Peng Zhang > Reviewed-by: Liam R. Howlett > Signed-off-by: Andrew Morton > > So, you can see that the author of the initial code did look at race > conditions. I wanted to read the link for more information but that > link isn't working right now (403 error). lkml links are temporarily broken. Replacing "lkml.kernekl.org/r" with "lore.kernel.org" fixes it. https://lore.kernel.org/all/20230628073657.75314-5-zhangpeng.00@bytedance.com/