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 57A5DEB64DD for ; Mon, 14 Aug 2023 20:08:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231847AbjHNUHk (ORCPT ); Mon, 14 Aug 2023 16:07:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232067AbjHNUHf (ORCPT ); Mon, 14 Aug 2023 16:07:35 -0400 Received: from mail-pg1-f200.google.com (mail-pg1-f200.google.com [209.85.215.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4E2410E5 for ; Mon, 14 Aug 2023 13:07:34 -0700 (PDT) Received: by mail-pg1-f200.google.com with SMTP id 41be03b00d2f7-564f73e2c59so5020266a12.2 for ; Mon, 14 Aug 2023 13:07:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692043654; x=1692648454; 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=ESKM9ZhqAvF1tyO2W2reMjI8w6E0LleNDUBpM/RmnhE=; b=UAhAorukuFdqyiM7/PUTV08FrN+Rr+jG9SXwymbuJMY9pRnUMsFE4g4Gx7KW1pOk5S y9MQGRH6Nw+TbzUsYwKosfeYk0jU1/z1ZSWgs0ZXKNDiXyFdi5tcfw9urPfWTtLCt5Ij LWApep2OBoPmFYxojbxhE0RzjxSy/NG/9ADX66dXS0FaG/moBfgkYOsMCqA80gyfMWg4 5nZ7aiJe+2Yq9UOzcHSJ6Y5g8hedeCOKF/VipUqjuU9fth7d6muIJm4rn6LCKyji3crA mQ6mimmKUa5IRDxswNrsyuvvIxr5At8WQw4dNip3vyewXX+iakiZ9cI7UQH60kl+Ias2 VokA== X-Gm-Message-State: AOJu0YyC8FJ2A6g8nlDokECV0sMcndLtGChs2bA4YH31fFevRV+9nCjl WTzvF5a2kAMmxwjoy1mctnWes7g8xg+fe8WnK9+FF65hpLXs X-Google-Smtp-Source: AGHT+IGJcaYn7JgRZ5RWZ0KV6TFJca5wDYAvPboBneb2qZY/w8uSMizCAPOACt3KIN2USvkejBe0nBlwXzs9Fhs/bo31xoHLNaxE MIME-Version: 1.0 X-Received: by 2002:a17:903:2301:b0:1b8:95fc:d0f with SMTP id d1-20020a170903230100b001b895fc0d0fmr4379586plh.7.1692043654450; Mon, 14 Aug 2023 13:07:34 -0700 (PDT) Date: Mon, 14 Aug 2023 13:07:34 -0700 In-Reply-To: <00000000000024d7f70602b705e9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f7d5180602e79cec@google.com> Subject: Re: [syzbot] [udf?] KASAN: use-after-free Read in udf_sync_fs From: syzbot To: hdanton@sina.com, jack@suse.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, steve.magnani@digidescorp.com, steve@digidescorp.com, 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 e8b4274735e416621cfb28c2802b4ad52da35d0f Author: Steve Magnani Date: Fri Feb 8 17:34:55 2019 +0000 udf: finalize integrity descriptor before writeback bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e3d76fa80000 start commit: f8de32cc060b Merge tag 'tpmdd-v6.5-rc7' of git://git.kerne.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=16e3d76fa80000 console output: https://syzkaller.appspot.com/x/log.txt?x=12e3d76fa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=171b698bc2e613cf dashboard link: https://syzkaller.appspot.com/bug?extid=82df44ede2faca24c729 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10df55d7a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e4d78ba80000 Reported-by: syzbot+82df44ede2faca24c729@syzkaller.appspotmail.com Fixes: e8b4274735e4 ("udf: finalize integrity descriptor before writeback") For information about bisection process see: https://goo.gl/tpsmEJ#bisection