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 0DE0FEB64DD for ; Thu, 27 Jul 2023 21:56:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230230AbjG0V4p (ORCPT ); Thu, 27 Jul 2023 17:56:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232598AbjG0V4b (ORCPT ); Thu, 27 Jul 2023 17:56:31 -0400 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F07BB35AF for ; Thu, 27 Jul 2023 14:56:25 -0700 (PDT) Received: by mail-oi1-f198.google.com with SMTP id 5614622812f47-3a5ab2d29bbso2979303b6e.0 for ; Thu, 27 Jul 2023 14:56:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690494985; x=1691099785; h=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=NTZFcDWEnalsrrsj91+aV+exj/gSz6DkLyYFyJHhczQ=; b=MVgCa3UzPNr2n6a4OxwkFTYC3bJ+2pfZ+HVc/8Bvvt+hs2GH9oSIRsQs4oJDoACLhb po6V1TP7Lheh6OCcZElT5yAn5VRAkR00srjP28a5y0+NYq0t8217cbnHHczict7Y4TUS uSiHeXFK55mLZYPdW9+MnFWJenZX4iPOZ27AEMXmuycO8A3oZIjXcwWqNa8xOzt1nu7x mEy5B9OFf1jhUMPlTNGiVuU6pSTVq4b6CJjppmV1DbWAdg9yAUsGe3AVDCBLeCuBQxcR ay9AKvWGT85ggAUkp6Iy2VFTbamekCMnjSZKxyXy40QoN1BLM18r3U0BKiB5129aFdDt b8zg== X-Gm-Message-State: ABy/qLbEVEt4WeaubArr+pH2yECM3GSNgl/yoafBFDAhomiW/ZQtn64o gSLgX/uHY1nlLVVlMxVu+46PeZIdLV6IUE9hDpP5gE7AIu2+ X-Google-Smtp-Source: APBJJlH27w/I6S9cUeylwXarAxaDlL/rMDcRdn6KLWkdjH2BJtEUNIhS7lk/MWp1h0vRqgIhlJrFWuq2xzxANoqLIN7JnzjhDHdp MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b24:b0:3a3:7087:bbfb with SMTP id bx36-20020a0568081b2400b003a37087bbfbmr1067033oib.6.1690494985416; Thu, 27 Jul 2023 14:56:25 -0700 (PDT) Date: Thu, 27 Jul 2023 14:56:25 -0700 In-Reply-To: <000000000000b4e906060113fd63@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000019b5b106017f096a@google.com> Subject: Re: [syzbot] [nilfs?] KASAN: slab-use-after-free Read in nilfs_load_inode_block (2) From: syzbot To: akpm@linux-foundation.org, konishi.ryusuke@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nilfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this issue to: commit 28a65b49eb53e172d23567005465019658bfdb4d Author: Ryusuke Konishi Date: Thu Apr 27 01:15:26 2023 +0000 nilfs2: do not write dirty data after degenerating to read-only bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=177150e5a80000 start commit: 5f0bc0b042fc mm: suppress mm fault logging if fatal signal.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f150e5a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f150e5a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=5d10d93e1ae1f229 dashboard link: https://syzkaller.appspot.com/bug?extid=74db8b3087f293d3a13a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15176d81a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132d93d9a80000 Reported-by: syzbot+74db8b3087f293d3a13a@syzkaller.appspotmail.com Fixes: 28a65b49eb53 ("nilfs2: do not write dirty data after degenerating to read-only") For information about bisection process see: https://goo.gl/tpsmEJ#bisection