From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C71A5C77B7F for ; Wed, 17 May 2023 12:20:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231232AbjEQMUI (ORCPT ); Wed, 17 May 2023 08:20:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229815AbjEQMUG (ORCPT ); Wed, 17 May 2023 08:20:06 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 225C04C33; Wed, 17 May 2023 05:19:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AC3E264662; Wed, 17 May 2023 12:19:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C3636C433EF; Wed, 17 May 2023 12:19:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684325998; bh=wFGRTVNgSolEtpE7ywJRUeXY3mE2266Cr0MMqKvhLgs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AKcIBQA+Sg5f+KasRA2jUEu8UP/d+b3a0oSAPU9J218PWkChz7k+FQHyqcU1C3qvr m7wYCUDkHC4Uf87iH09txQNxfRWmbL2A9Oxwf272JY4lsPyw15RbrI70VPNzlhphXn xa3zzL4Ye21883SBbW6VANgX721FukKDxu/PT25g= Date: Wed, 17 May 2023 14:19:55 +0200 From: Greg KH To: yang lan Cc: axboe@kernel.dk, sashal@kernel.org, asml.silence@gmail.com, dylany@fb.com, linux-kernel@vger.kernel.org, io-uring@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [Bug report] kernel panic: System is deadlocked on memory Message-ID: <2023051740-eardrum-backfire-0222@gregkh> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Wed, May 17, 2023 at 08:02:38PM +0800, yang lan wrote: > Hi, > > We use our modified Syzkaller to fuzz the Linux kernel and found the > following issue: > > Head Commit: f1b32fda06d2cfb8eea9680b0ba7a8b0d5b81eeb > Git Tree: stable > > Console output: https://pastebin.com/raw/Ssz6eVA6 > Kernel config: https://pastebin.com/raw/BiggLxRg > C reproducer: https://pastebin.com/raw/tM1iyfjr > Syz reproducer: https://pastebin.com/raw/CEF1R2jg These links do not work, please provide a C reproducer in the email. thanks, greg k-h