From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 B642C1B9826 for ; Tue, 3 Sep 2024 10:29:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725359361; cv=none; b=OuxrNGTBfDqu3EbWjzkhc46cTi6HcjRjfxIu1zgseMZKcYAo94N02vKn5/ghHUKgpH4SURdiYA0wxn8+Piyebx0+rKKb2EX48m+Emgv69YZhe6x+QS8zFTYE9vCdlRVPrn2D5u+AU1Jtj5abjsJGMne68RLEI+6HayGyQy32ymo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725359361; c=relaxed/simple; bh=gT/LQY3fBKa033x1eX0blsHMmEV5xanZCc19O2q6ctc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=YCWo2p3ZuVtFB7ZtZFpLNCIaFQHeNgYHwQI46OryuwcaAKWUnNS34XdNxmVKoOHTKZRDhy7bRNd/uStayvdRFBFRnYULtGbvoxD7cBhS4qe6qL1cTyVaabbPgbUTEODvYZvp1ySF8F6bmg66+dCzuHiGw1l70RVwojb7/PZuZpo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-39d4ba9c42aso60366175ab.3 for ; Tue, 03 Sep 2024 03:29:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725359359; x=1725964159; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=NRNSBzYEnJABwE8WtqjmxFldyu3O9FP/lLXmT6XD040=; b=JoSr1d0imHyAfNzBRU8fkwW8euHR2q+oK5VVx86MlaGCCYBnEvb/jTZnDERBxeg9Z6 AoXcPtu0juzHH7Ri+YcpkGG7nufaE/JxSgyLYWld6Uqn64JRUiDio1OtCOibWVFExZci NevIhF/y1bXCX0mpxueNcEhF9Z9A2uvq0HVNdAI/H+PaxQyk09WDQp1/rAbniMYv5/IT B99xwtHXQT/p625giotk89cCpfF0K5/pu1vMpWEEQiJfPdnfBD7LW3NfwWBER/btFG+C IeUUZ7RbTtmyH3Z65Y0trUHMscyTkw5VxS3SatIXUx5KOTfU/08n+w6ngdQtihOymCN2 YQ8g== X-Forwarded-Encrypted: i=1; AJvYcCU5h1bBNjUiQrKIGncC6/HM6xydi1c5sGV4AMzC0FKwImDZd3dRzEsStz23nupOxrMXgOTZSNOg3MCkAtk=@vger.kernel.org X-Gm-Message-State: AOJu0YyvmM/B+vS4mb1G/AKebra6VbURgYhzepWvXMj9HDmtU9Fb/4xy QljyaDIzAfCQZIXnFeAXIkDixFKQgGBS91J3EsBzcbLMW62RBGYM+dJoLgZvXGnilHiy8N8QYJo UVrQfeC7EeeAW7yCP29EsSsXcuOxgAuXKwdT4Fwer3IEykSBfhkUPm3s= X-Google-Smtp-Source: AGHT+IFeZfDs8CAVVuo3iOfw+zRbjQNXVj5CQ4Ca9iK16vQ+xoGOS7zZQ9MCAXOwAakDR063imPgNTb5emeSjH7+JjQ2qRjtwEvr Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:198f:b0:396:dc3a:72f2 with SMTP id e9e14a558f8ab-39f410602bamr10312555ab.3.1725359358801; Tue, 03 Sep 2024 03:29:18 -0700 (PDT) Date: Tue, 03 Sep 2024 03:29:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b10c48062134870d@google.com> Subject: [syzbot] [ocfs2?] kernel BUG in _ocfs2_free_suballoc_bits From: syzbot To: jlbec@evilplan.org, joseph.qi@linux.alibaba.com, linux-kernel@vger.kernel.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: fb24560f31f9 Merge tag 'lsm-pr-20240830' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15107925980000 kernel config: https://syzkaller.appspot.com/x/.config?x=996585887acdadb3 dashboard link: https://syzkaller.appspot.com/bug?extid=2d6d9df993967dde8297 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-fb24560f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2d39db26a2bc/vmlinux-fb24560f.xz kernel image: https://storage.googleapis.com/syzbot-assets/8910481ae16e/bzImage-fb24560f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2d6d9df993967dde8297@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2542! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5120 Comm: syz.0.0 Not tainted 6.11.0-rc5-syzkaller-00207-gfb24560f31f9 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542 Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 39 c7 6a fe e9 85 fb ff ff e8 7f 7b 03 fe 90 <0f> 0b e8 77 7b 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 45 c6 73 7c bf RSP: 0018:ffffc90002e5f840 EFLAGS: 00010287 RAX: ffffffff839010b1 RBX: 00000000ffffffff RCX: 0000000000040000 RDX: ffffc9000b849000 RSI: 000000000001fa9e RDI: 000000000001fa9f RBP: ffffc90002e5f9e8 R08: ffffffff8390000c R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2030dbe R12: ffff88804098f0e8 R13: dffffc0000000000 R14: ffff888013113e00 R15: dffffc0000000000 FS: 00007f44d49666c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44d4923f98 CR3: 000000000072c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _ocfs2_free_clusters+0x5ff/0xad0 fs/ocfs2/suballoc.c:2646 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline] __ocfs2_flush_truncate_log+0x760/0x1250 fs/ocfs2/alloc.c:6054 ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076 ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402 iterate_supers+0xc6/0x190 fs/super.c:934 ksys_sync+0xdb/0x1c0 fs/sync.c:104 __do_sys_sync+0xe/0x20 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f44d3b79eb9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f44d4966038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f44d3d15f80 RCX: 00007f44d3b79eb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f44d3be793e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f44d3d15f80 R15: 00007ffee36f9688 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542 Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 39 c7 6a fe e9 85 fb ff ff e8 7f 7b 03 fe 90 <0f> 0b e8 77 7b 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 45 c6 73 7c bf RSP: 0018:ffffc90002e5f840 EFLAGS: 00010287 RAX: ffffffff839010b1 RBX: 00000000ffffffff RCX: 0000000000040000 RDX: ffffc9000b849000 RSI: 000000000001fa9e RDI: 000000000001fa9f RBP: ffffc90002e5f9e8 R08: ffffffff8390000c R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2030dbe R12: ffff88804098f0e8 R13: dffffc0000000000 R14: ffff888013113e00 R15: dffffc0000000000 FS: 00007f44d49666c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44d4923f98 CR3: 000000000072c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup