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 B3343C61DB3 for ; Thu, 12 Jan 2023 18:14:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240262AbjALSOd convert rfc822-to-8bit (ORCPT ); Thu, 12 Jan 2023 13:14:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240579AbjALSN7 (ORCPT ); Thu, 12 Jan 2023 13:13:59 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20093DEB for ; Thu, 12 Jan 2023 09:43:35 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id y5-20020a056e021be500b0030bc4f23f0aso13946748ilv.3 for ; Thu, 12 Jan 2023 09:43:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:cc:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=D6euKgqaz5CvSSFLuJHiJJPEhh3V6W0U8Nog8Z76wv4=; b=NfAnns5ZnmvAfLR5Hnnb5UzH/+q0L+oe7kGuOA6Dw9uWCtaGEn+OFMONcIJp9u3vZc xhwaZrnTkOnTK5C72DeaKOC52bGvYSs3/3bf64PnU88kxAD1za1qaXxR4TOJCzFHDTy/ jrmmfcXfuB9+TmvC1okjXFE4BitbrD1DGgqmeElYeEy9zKDgJDDlg+LP3G0OraDU4Pn1 CRBnBNuNBRzOnByJMtb1AlR8kAvwEzSCxKE/CmwS9Im0rqTv1TDkOMgj8g3nu5xR3+Fx VCL/hfMB+oS2pvaNzKrAQdH0MrIMXHuHvgqqDy2cWnXQ++SWOIgm26sMRuEb0mL7u+hT wf2A== X-Gm-Message-State: AFqh2kr8/npDOR72PqvyJCTlXz+IW6Ybh45ORzKGm9bH7xixGj2NmacM qb9VlSq5/dT0kc63+g1gHzwY92pCpFU1nFw0F1rbXZMiDFgU X-Google-Smtp-Source: AMrXdXt6RzWE0Rl0t6eyTbbNXTZXuwLItT296DHWjPJukooX4Stc7BSVoGxsFFhp3pGnXT+5J2Cx/373k8qd81Qu76FPg84d3ac8 MIME-Version: 1.0 X-Received: by 2002:a02:bb08:0:b0:39e:829f:b60b with SMTP id y8-20020a02bb08000000b0039e829fb60bmr2523546jan.83.1673545414457; Thu, 12 Jan 2023 09:43:34 -0800 (PST) Date: Thu, 12 Jan 2023 09:43:34 -0800 In-Reply-To: <3c64a290-5134-2030-a2da-9ec2b1efc0c5@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f1c14e05f214a763@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in io_req_caches_free From: syzbot To: axboe@kernel.dk Cc: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org > On 1/12/23 3:26 AM, syzbot wrote: >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit: 0a093b2893c7 Add linux-next specific files for 20230112 >> git tree: linux-next >> console output: https://syzkaller.appspot.com/x/log.txt?x=1605ee86480000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=835f3591019836d5 >> dashboard link: https://syzkaller.appspot.com/bug?extid=131f71f381afff1eaa35 >> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 >> >> Unfortunately, I don't have any reproducer for this issue yet. > > #syz test: git://git.kernel.dk/linux.git for-next This crash does not have a reproducer. I cannot test it. > > -- > Jens Axboe > >