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 1DACFCE7A88 for ; Sun, 24 Sep 2023 00:03:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229583AbjIXACd (ORCPT ); Sat, 23 Sep 2023 20:02:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229513AbjIXACa (ORCPT ); Sat, 23 Sep 2023 20:02:30 -0400 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB01C124 for ; Sat, 23 Sep 2023 17:02:23 -0700 (PDT) Received: by mail-oi1-f197.google.com with SMTP id 5614622812f47-3adbc8aaf29so7553896b6e.3 for ; Sat, 23 Sep 2023 17:02:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695513743; x=1696118543; 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=TRTLhAaHmBf6L92pgz9HMkE8lNZQYMRgmuo+q5ZisvY=; b=JrwrB7jx/uKKXoAILLkYaV8l18/sG7owMEHE6whGEtlvRcwItQalLA845ZcwthN8d9 ZjidhURYM3mvL1cLHaPSS6reB1gavXO2OXq1aKmV39lhT9wxIdkxie/g+0rkeLgn0d2H uOWvX11PW82Z2JRR3LCNcTf5N0+G9uQ+Y9lc4hAydEre5CyKex2SufmCWpJmoetNpMDV Ml6glGJHhLLwR3ALKPqmDneexV7yAEwoh8cBMd85Yvf07aPaA3YwhKaW4N3LMb5ujngv pLiaaqgi67cBqrW6kQ9FWJmdjfY3hbNKP009v4OoW+R69xKn4VNzn35HILXFVAzgWhL6 C/UQ== X-Gm-Message-State: AOJu0Yz5vgqMigHeWovWijkSrxQccNA5B9XwTf4XGGehJudnU6RrD20P a1Iw2Npu5DmLlI7urVw05YaR0SkWMxZtE3kYmpoZtGxS2Qac X-Google-Smtp-Source: AGHT+IGfx89OEM0dgcl6E42YsvcsU1YHXoQ79b1Iq0lAsZKrrx1aIx1LBPvW3hRAJipQ9VuzTrj5v2LLTyX1cbAPAO3EopyoxB0h MIME-Version: 1.0 X-Received: by 2002:a05:6808:1786:b0:3ad:f6ad:b9cc with SMTP id bg6-20020a056808178600b003adf6adb9ccmr1827021oib.10.1695513743310; Sat, 23 Sep 2023 17:02:23 -0700 (PDT) Date: Sat, 23 Sep 2023 17:02:23 -0700 In-Reply-To: <0000000000007fcc9c05f909f7f3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000061c35a06060f8eb3@google.com> Subject: Re: [syzbot] [reiserfs?] KASAN: null-ptr-deref Read in fix_nodes From: syzbot To: jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org, rkovhaev@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit d24396c5290ba8ab04ba505176874c4e04a2d53c Author: Rustam Kovhaev Date: Sun Nov 1 14:09:58 2020 +0000 reiserfs: add check for an invalid ih_entry_count bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15244cfa680000 start commit: b6dad5178cea Merge tag 'nios2_fix_v6.4' of git://git.kerne.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17244cfa680000 console output: https://syzkaller.appspot.com/x/log.txt?x=13244cfa680000 kernel config: https://syzkaller.appspot.com/x/.config?x=ac246111fb601aec dashboard link: https://syzkaller.appspot.com/bug?extid=5184326923f180b9d11a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bbc887280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15c9558b280000 Reported-by: syzbot+5184326923f180b9d11a@syzkaller.appspotmail.com Fixes: d24396c5290b ("reiserfs: add check for an invalid ih_entry_count") For information about bisection process see: https://goo.gl/tpsmEJ#bisection