From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C35A1EF13 for ; Sun, 14 Jan 2024 04:59:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-3607404225eso64257395ab.1 for ; Sat, 13 Jan 2024 20:59:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705208344; x=1705813144; 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=1yzbyB1MM/qDWFyaL4yvVd/nqNiYOiwdyqZ6k+sJI6s=; b=N9udOADg5Zu79+Wbl2UG+JK/aNr+4afFiCnB54/IT5ClZoYfYNtXCRL4MZMLiFfMn0 Eg7VP8WId7wLqvVsYi5Jv0Xlt/ShcP9GTbZ8djUBDZ5jxIZcYRQppb6RyJFhRPhVwdqZ 9hNYc/9k8p9oeXsUVfw+z6Dqx4qRa3HhmHEW0jQWtagfrtK3Eetsdfx4/fw5cCsg/lzn F2XRxDM3HVoZ5DpGOJhZqONMrq/FBcf1elUWSu3M4iBYHylYGI6VZeFCRoui8TM0Scpd kFHDe0CZkGUQqVEglkaQsWh4aQAb80rjJMUwbslKaaPaVIUKMNdqbnw/x7f7Tn0hqJE8 feBA== X-Gm-Message-State: AOJu0YzFEKiNrYbFu4ELQHfsESpGJirB27NE2lFdxZ/7HZXmA7bJJuPn cdFbjokhKZBvI+n3SUtkIx0Iog98BAN1Vyw+rtltl4r8dzOp X-Google-Smtp-Source: AGHT+IHBDuAaOxdVHgR+iN/a+oZFT7qSw7dVS5C0/k0TTWWkBfcAEdgjJpfCp3zy7m15WYrGZPJ+T7WIoz+4GDZDzmBqlgps0PP+ Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:219d:b0:35f:f67a:e55a with SMTP id j29-20020a056e02219d00b0035ff67ae55amr296300ila.5.1705208344213; Sat, 13 Jan 2024 20:59:04 -0800 (PST) Date: Sat, 13 Jan 2024 20:59:04 -0800 In-Reply-To: <000000000000aac725060ed0b15c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009fff64060ee0c1b7@google.com> Subject: Re: [syzbot] [f2fs?] KASAN: slab-use-after-free Read in destroy_device_list From: syzbot To: chao@kernel.org, eadavis@qq.com, ebiggers@google.com, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 275dca4630c165edea9abe27113766bc1173f878 Author: Eric Biggers Date: Wed Dec 27 17:14:28 2023 +0000 f2fs: move release of block devices to after kill_block_super() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10639913e80000 start commit: 052d534373b7 Merge tag 'exfat-for-6.8-rc1' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=12639913e80000 console output: https://syzkaller.appspot.com/x/log.txt?x=14639913e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=878a2a4af11180a7 dashboard link: https://syzkaller.appspot.com/bug?extid=a5e651ca75fa0260acd5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=167b0f47e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11255313e80000 Reported-by: syzbot+a5e651ca75fa0260acd5@syzkaller.appspotmail.com Fixes: 275dca4630c1 ("f2fs: move release of block devices to after kill_block_super()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection