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 A8E71C433F5 for ; Wed, 8 Dec 2021 18:14:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238722AbhLHSRf (ORCPT ); Wed, 8 Dec 2021 13:17:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238716AbhLHSRf (ORCPT ); Wed, 8 Dec 2021 13:17:35 -0500 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9ECCC061746; Wed, 8 Dec 2021 10:14:02 -0800 (PST) Received: by mail-ed1-x530.google.com with SMTP id t5so11427370edd.0; Wed, 08 Dec 2021 10:14:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=mcPtzo6Mc48uKJRt67ru8n5CsPPRYIExPhncNpI7X2U=; b=goXuzERkzrBi7PF/ABRAY1JlIs3T/p3DGwgarHIhPWMngpKnVtN9muwoQuIhthQ1NN zu0CBT1/MlwJRmmtEDNGxf/ZHeEC2rBDjr4kFQgoJrfo8Na+hSQaiCi5PGwBaEOV/mH6 vAHhFmrqiM5gTqW6X7u2X/qt1ZjzNHcjkH9KjJK1pVeIAfvZ6MCBnRAwRQHjMigg6yA5 H1zZ76N2M9rUbzVSvbxpPNI8ePx7NKLGarBs4ocit/b4hUz0P26Gamqe2cC/ttpmgTfU bkLgZDkKDpmQkDUn66gsWxvnUl4dg2G0gP8lNiefnKFHwPWoAofoN/uspG8Fz4d3YO+Q 0Wvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=mcPtzo6Mc48uKJRt67ru8n5CsPPRYIExPhncNpI7X2U=; b=OU0/mbSvuDGZijCpQE95b5rvONPMY9t1PWvMlrFWcQ0bDgniZr6XqVpa3ougUbmfdC 6xWBzw4XI7mOxSVjC6d7iMxNQjehpgWFdHJGwSfxTDqmVvPOqgGLuVkrFl92joPLVseE 0KOV5+YzouMZjS8guZ4CAhctc+FkxOGpYw+71hn3LEudFQBtZ7WsWWpH+vN9zgXFjCRt mfq1Ix4DDxCZdUK4V2jNBDTwYosJDx9nxkgStUF5rf1R/pR7gnWEUEjX4f50rrTolq1h r2hI6xPD/Mv5VoqeGksGE5MLV7sByorpace2e1CWnkj+HqniO2f15pVClAoHloQfpBBB KpmQ== X-Gm-Message-State: AOAM530kkHPxr02HRzstc2L1OvrVdAMWsQdbWbI5dzlRvcfLwN4iFq0d GuFmLXZ3J2uSXvrHwptQqdg= X-Google-Smtp-Source: ABdhPJwKPHdX+gzCJKNjuLehVfaV7WepeVwMXkhb/qivYPPrqm60yAGGQkEMaewHZREDIhU8WsEcSQ== X-Received: by 2002:a17:906:4793:: with SMTP id cw19mr9065810ejc.387.1638987241581; Wed, 08 Dec 2021 10:14:01 -0800 (PST) Received: from [192.168.8.198] ([148.252.128.29]) by smtp.gmail.com with ESMTPSA id o8sm2616767edc.25.2021.12.08.10.14.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Dec 2021 10:14:00 -0800 (PST) Message-ID: <02bcc03a-f5e1-bc7d-b4f1-323dd4495080@gmail.com> Date: Wed, 8 Dec 2021 18:14:01 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Subject: Re: [syzbot] KASAN: use-after-free Write in io_submit_one Content-Language: en-US To: syzbot , axboe@kernel.dk, bcrl@kvack.org, linux-aio@kvack.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk References: <000000000000ad0e4105d29b6b0f@google.com> From: Pavel Begunkov In-Reply-To: <000000000000ad0e4105d29b6b0f@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 12/8/21 05:04, syzbot wrote: > syzbot has bisected this issue to: > > commit 54a88eb838d37af930c9f19e1930a4fba6789cb5 > Author: Pavel Begunkov > Date: Sat Oct 23 16:21:32 2021 +0000 > > block: add single bio async direct IO helper Looks that's the same George reported yesterday, a fix is queued: https://git.kernel.dk/cgit/linux-block/commit/?h=block-5.16&id=75feae73a28020e492fbad2323245455ef69d687 #syz fix: block: fix single bio async DIO error handling > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1615e2b9b00000 > start commit: 04fe99a8d936 Add linux-next specific files for 20211207 > git tree: linux-next > final oops: https://syzkaller.appspot.com/x/report.txt?x=1515e2b9b00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1115e2b9b00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=4589399873466942 > dashboard link: https://syzkaller.appspot.com/bug?extid=3587cbbc6e1868796292 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17db884db00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14e9eabdb00000 > > Reported-by: syzbot+3587cbbc6e1868796292@syzkaller.appspotmail.com > Fixes: 54a88eb838d3 ("block: add single bio async direct IO helper") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > -- Pavel Begunkov