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 865ECC61D9D for ; Sat, 25 Nov 2023 11:54:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231941AbjKYLx7 (ORCPT ); Sat, 25 Nov 2023 06:53:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231808AbjKYLx5 (ORCPT ); Sat, 25 Nov 2023 06:53:57 -0500 Received: from mail-pl1-f200.google.com (mail-pl1-f200.google.com [209.85.214.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B56D10E2 for ; Sat, 25 Nov 2023 03:54:04 -0800 (PST) Received: by mail-pl1-f200.google.com with SMTP id d9443c01a7336-1cf66d578easo33268725ad.3 for ; Sat, 25 Nov 2023 03:54:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700913244; x=1701518044; 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=/KRHX69P+c/HonL20U6p52M6bOssV1LeZSiVOwq9udg=; b=s5sCRWd7rra+hdI+wDWnwqP2xuqcuoNlCKT4pejupQDd0Du3iRJxHHWyJCcUreIrp3 adNkUFkinde9u/y3D5dJJyPSGzPQqrFK3SfLBgL2ddEYtAde3ceNkanfbzS7fY5IAl77 rN9dvnmcn8wP97W6jInaK4tMM5xdcsTinuDToSuR4gXVMrf8o8x1i6jJPY2uzFkHPinx G4Lh/fO6q7wm1C/BfqtWhxyL28PjFQzg6z+ORxCras/WH35MPkXpF7n5T8ZITiU6JEEP RAdJiXwvIvByqtd2lhoAMGAh2G0tqnhUowu8IRy5QNg8Ocpd5WSzspQVrHJJXI63/MGC fDYQ== X-Gm-Message-State: AOJu0YzphqkdrmQkT4UGrcKZ6tCogfpaR4LIJC822XUZS3BaLg9KnXbQ YvJePS0pd1nxEwOoCPyoJtDL6I0LjD+m5BXgGPe9jebTZk5y X-Google-Smtp-Source: AGHT+IHy5N+EUzhnu1BqL7Tre6DLYWnMI3bWa4fghmRRJW5x6mn1VxPp8iENwnRyZhLbrcEvUJ7+Wd0weLI92G6ARV1U74tRU3FD MIME-Version: 1.0 X-Received: by 2002:a17:903:4282:b0:1cc:1e05:e0e7 with SMTP id ju2-20020a170903428200b001cc1e05e0e7mr1181364plb.2.1700913243801; Sat, 25 Nov 2023 03:54:03 -0800 (PST) Date: Sat, 25 Nov 2023 03:54:03 -0800 In-Reply-To: <000000000000d40c3c05fdc05cd1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b0cfb7060af8b9e1@google.com> Subject: Re: [syzbot] [udf?] KASAN: slab-use-after-free Read in udf_free_blocks From: syzbot To: akpm@linux-foundation.org, hch@lst.de, jack@suse.com, jack@suse.cz, linkinjeon@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org 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 36273e5b4e3a934c6d346c8f0b16b97e018094af Author: Christoph Hellwig Date: Sun Nov 13 16:29:02 2022 +0000 udf: remove ->writepage bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14d71cece80000 start commit: 123212f53f3e Add linux-next specific files for 20230707 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16d71cece80000 console output: https://syzkaller.appspot.com/x/log.txt?x=12d71cece80000 kernel config: https://syzkaller.appspot.com/x/.config?x=15ec80b62f588543 dashboard link: https://syzkaller.appspot.com/bug?extid=0b7937459742a0a4cffd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15be1190a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17d4666aa80000 Reported-by: syzbot+0b7937459742a0a4cffd@syzkaller.appspotmail.com Fixes: 36273e5b4e3a ("udf: remove ->writepage") For information about bisection process see: https://goo.gl/tpsmEJ#bisection