DUID 00:04:70:54:fc:d0:2a:32:b7:62:cf:21:72:23:c9:95:e9:3f forked to background, child pid 3239 [ 36.142464][ T3240] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.160630][ T3240] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.99' (ED25519) to the list of known hosts. executing program syzkaller login: [ 60.296509][ T3567] loop0: detected capacity change from 0 to 32768 [ 60.359154][ T3567] ======================================================= [ 60.359154][ T3567] WARNING: The mand mount option has been deprecated and [ 60.359154][ T3567] and is ignored by this kernel. Remove the mand [ 60.359154][ T3567] option from the mount to silence this warning. [ 60.359154][ T3567] ======================================================= [ 60.441521][ T3567] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 60.633715][ T3567] syz-executor295 (3567) used greatest stack depth: 19360 bytes left [ 60.988570][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.269458][ T3570] loop0: detected capacity change from 0 to 32768 [ 61.356273][ T3570] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.975443][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.244658][ T3574] loop0: detected capacity change from 0 to 32768 [ 62.335317][ T3574] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 62.936025][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.235683][ T3577] loop0: detected capacity change from 0 to 32768 [ 63.325881][ T3577] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 63.865047][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.140995][ T3580] loop0: detected capacity change from 0 to 32768 [ 64.272578][ T3580] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.022172][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.305676][ T3583] loop0: detected capacity change from 0 to 32768 [ 65.395159][ T3583] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.002539][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.265652][ T3586] loop0: detected capacity change from 0 to 32768 [ 66.366162][ T3586] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.907580][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.184429][ T3589] loop0: detected capacity change from 0 to 32768 [ 67.285336][ T3589] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.839436][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.094752][ T3592] loop0: detected capacity change from 0 to 32768 [ 68.186172][ T3592] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.701279][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.976489][ T3595] loop0: detected capacity change from 0 to 32768 [ 69.067477][ T3595] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.625646][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.935262][ T3598] loop0: detected capacity change from 0 to 32768 [ 70.046123][ T3598] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 70.664333][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.935171][ T3601] loop0: detected capacity change from 0 to 32768 [ 71.028149][ T3601] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 71.489618][ T1389] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.496122][ T1389] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.541900][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.804782][ T3604] loop0: detected capacity change from 0 to 32768 [ 71.915922][ T3604] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 72.094973][ T3604] syz-executor295 (3604) used greatest stack depth: 19264 bytes left [ 72.478533][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.748643][ T3607] loop0: detected capacity change from 0 to 32768 [ 72.834935][ T3607] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 73.421159][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 73.685964][ T3610] loop0: detected capacity change from 0 to 32768 [ 73.785184][ T3610] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 74.306084][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.565098][ T3613] loop0: detected capacity change from 0 to 32768 [ 74.654884][ T3613] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.164306][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 75.477610][ T3616] loop0: detected capacity change from 0 to 32768 [ 75.565565][ T3616] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.153239][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 76.404761][ T3619] loop0: detected capacity change from 0 to 32768 [ 76.494891][ T3619] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 77.041695][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 77.312824][ T3622] loop0: detected capacity change from 0 to 32768 [ 77.405127][ T3622] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.014906][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 78.282957][ T3625] loop0: detected capacity change from 0 to 32768 [ 78.394973][ T3625] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.940097][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 79.205530][ T3628] loop0: detected capacity change from 0 to 32768 [ 79.316175][ T3628] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.328569][ T3628] [ 79.330944][ T3628] ====================================================== [ 79.338070][ T3628] WARNING: possible circular locking dependency detected [ 79.345218][ T3628] 5.15.167-syzkaller #0 Not tainted [ 79.350410][ T3628] ------------------------------------------------------ [ 79.357417][ T3628] syz-executor295/3628 is trying to acquire lock: [ 79.363864][ T3628] ffff88807a509488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 79.375033][ T3628] [ 79.375033][ T3628] but task is already holding lock: [ 79.382390][ T3628] ffff88806be08660 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 79.392929][ T3628] [ 79.392929][ T3628] which lock already depends on the new lock. [ 79.392929][ T3628] [ 79.403344][ T3628] [ 79.403344][ T3628] the existing dependency chain (in reverse order) is: [ 79.412444][ T3628] [ 79.412444][ T3628] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 79.421204][ T3628] lock_acquire+0x1db/0x4f0 [ 79.426230][ T3628] down_read+0x45/0x2e0 [ 79.430922][ T3628] ocfs2_read_virt_blocks+0x2b3/0xa10 [ 79.436815][ T3628] ocfs2_find_entry+0x437/0x26d0 [ 79.442262][ T3628] ocfs2_find_files_on_disk+0xea/0x310 [ 79.448224][ T3628] ocfs2_lookup_ino_from_name+0xad/0x1e0 [ 79.454577][ T3628] ocfs2_get_system_file_inode+0x314/0x7b0 [ 79.460994][ T3628] ocfs2_init_global_system_inodes+0x328/0x720 [ 79.467670][ T3628] ocfs2_fill_super+0x479e/0x58a0 [ 79.473232][ T3628] mount_bdev+0x2c9/0x3f0 [ 79.478082][ T3628] legacy_get_tree+0xeb/0x180 [ 79.483356][ T3628] vfs_get_tree+0x88/0x270 [ 79.488523][ T3628] do_new_mount+0x2ba/0xb40 [ 79.493562][ T3628] __se_sys_mount+0x2d5/0x3c0 [ 79.498765][ T3628] do_syscall_64+0x3b/0xb0 [ 79.503691][ T3628] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.510110][ T3628] [ 79.510110][ T3628] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 79.518868][ T3628] validate_chain+0x1649/0x5930 [ 79.524246][ T3628] __lock_acquire+0x1295/0x1ff0 [ 79.529620][ T3628] lock_acquire+0x1db/0x4f0 [ 79.534898][ T3628] __mutex_lock_common+0x1da/0x25a0 [ 79.540633][ T3628] mutex_lock_nested+0x17/0x20 [ 79.545929][ T3628] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 79.552379][ T3628] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 79.559060][ T3628] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 79.565926][ T3628] ocfs2_lock_allocators+0x306/0x620 [ 79.571735][ T3628] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 79.577972][ T3628] ocfs2_write_begin+0x1fd/0x390 [ 79.583467][ T3628] generic_perform_write+0x2bf/0x5b0 [ 79.589371][ T3628] __generic_file_write_iter+0x243/0x4f0 [ 79.595521][ T3628] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 79.601494][ T3628] vfs_write+0xacd/0xe50 [ 79.606273][ T3628] ksys_write+0x1a2/0x2c0 [ 79.611132][ T3628] do_syscall_64+0x3b/0xb0 [ 79.616055][ T3628] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.622888][ T3628] [ 79.622888][ T3628] other info that might help us debug this: [ 79.622888][ T3628] [ 79.633098][ T3628] Possible unsafe locking scenario: [ 79.633098][ T3628] [ 79.640529][ T3628] CPU0 CPU1 [ 79.645914][ T3628] ---- ---- [ 79.651259][ T3628] lock(&ocfs2_file_ip_alloc_sem_key); [ 79.656792][ T3628] lock(&osb->system_file_mutex); [ 79.664490][ T3628] lock(&ocfs2_file_ip_alloc_sem_key); [ 79.672569][ T3628] lock(&osb->system_file_mutex); [ 79.677679][ T3628] [ 79.677679][ T3628] *** DEADLOCK *** [ 79.677679][ T3628] [ 79.685813][ T3628] 3 locks held by syz-executor295/3628: [ 79.691348][ T3628] #0: ffff88807b344460 (sb_writers#9){.+.+}-{0:0}, at: vfs_write+0x29a/0xe50 [ 79.700248][ T3628] #1: ffff88806be089c8 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x446/0x1fa0 [ 79.711992][ T3628] #2: ffff88806be08660 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 79.722962][ T3628] [ 79.722962][ T3628] stack backtrace: [ 79.728852][ T3628] CPU: 1 PID: 3628 Comm: syz-executor295 Not tainted 5.15.167-syzkaller #0 [ 79.737437][ T3628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 79.747573][ T3628] Call Trace: [ 79.750839][ T3628] [ 79.753775][ T3628] dump_stack_lvl+0x1e3/0x2d0 [ 79.758468][ T3628] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 79.764092][ T3628] ? print_circular_bug+0x12b/0x1a0 [ 79.769369][ T3628] check_noncircular+0x2f8/0x3b0 [ 79.774300][ T3628] ? add_chain_block+0x850/0x850 [ 79.779258][ T3628] ? lockdep_lock+0x11f/0x2a0 [ 79.783943][ T3628] ? validate_chain+0x112/0x5930 [ 79.788884][ T3628] ? rcu_lock_release+0x5/0x20 [ 79.793643][ T3628] validate_chain+0x1649/0x5930 [ 79.798567][ T3628] ? __bfs+0x359/0x6e0 [ 79.802663][ T3628] ? reacquire_held_locks+0x660/0x660 [ 79.808161][ T3628] ? noop_count+0x30/0x30 [ 79.812544][ T3628] ? validate_chain+0x112/0x5930 [ 79.817501][ T3628] ? rcu_is_watching+0x11/0xa0 [ 79.822273][ T3628] ? mark_lock+0x98/0x340 [ 79.826591][ T3628] __lock_acquire+0x1295/0x1ff0 [ 79.831440][ T3628] lock_acquire+0x1db/0x4f0 [ 79.835932][ T3628] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 79.841916][ T3628] ? read_lock_is_recursive+0x10/0x10 [ 79.847378][ T3628] ? __might_sleep+0xc0/0xc0 [ 79.852097][ T3628] ? __lock_acquire+0x1295/0x1ff0 [ 79.857138][ T3628] __mutex_lock_common+0x1da/0x25a0 [ 79.862596][ T3628] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 79.868613][ T3628] ? read_lock_is_recursive+0x10/0x10 [ 79.873991][ T3628] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 79.879965][ T3628] ? ocfs2_get_system_file_inode+0x144/0x7b0 [ 79.885949][ T3628] ? mutex_lock_io_nested+0x60/0x60 [ 79.891135][ T3628] ? do_raw_spin_lock+0x14a/0x370 [ 79.896155][ T3628] ? do_raw_spin_unlock+0x137/0x8b0 [ 79.901355][ T3628] mutex_lock_nested+0x17/0x20 [ 79.906116][ T3628] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 79.911929][ T3628] ? ocfs2_fast_symlink_readpage+0x420/0x420 [ 79.917907][ T3628] ? __kernel_text_address+0x94/0x100 [ 79.923288][ T3628] ? reacquire_held_locks+0x660/0x660 [ 79.928753][ T3628] ? unwind_get_return_address+0x49/0x80 [ 79.934425][ T3628] ? arch_stack_walk+0xf3/0x140 [ 79.939283][ T3628] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 79.945452][ T3628] ? stack_trace_save+0x113/0x1c0 [ 79.950562][ T3628] ? kasan_unpoison+0x42/0x60 [ 79.955266][ T3628] ? mark_lock+0x98/0x340 [ 79.959600][ T3628] ? __lock_acquire+0x1295/0x1ff0 [ 79.964724][ T3628] ? ocfs2_complete_local_alloc_recovery+0x620/0x620 [ 79.972885][ T3628] ? read_lock_is_recursive+0x10/0x10 [ 79.978294][ T3628] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 79.984615][ T3628] ? __lock_acquire+0x1ff0/0x1ff0 [ 79.989657][ T3628] ? do_raw_spin_lock+0x14a/0x370 [ 79.994766][ T3628] ? do_raw_spin_unlock+0x137/0x8b0 [ 79.999976][ T3628] ? _raw_spin_unlock+0x24/0x40 [ 80.004835][ T3628] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 80.010929][ T3628] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 80.017275][ T3628] ? mark_lock+0x98/0x340 [ 80.021599][ T3628] ? ocfs2_reserve_clusters+0x30/0x30 [ 80.026998][ T3628] ? __lock_acquire+0x1295/0x1ff0 [ 80.032275][ T3628] ? rcu_is_watching+0x11/0xa0 [ 80.037045][ T3628] ? ocfs2_num_free_extents+0x365/0x680 [ 80.042718][ T3628] ? ocfs2_validate_extent_block+0x580/0x580 [ 80.048796][ T3628] ocfs2_lock_allocators+0x306/0x620 [ 80.054121][ T3628] ? _ocfs2_clear_bit+0x40/0x40 [ 80.058976][ T3628] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 80.064876][ T3628] ? rcu_is_watching+0x11/0xa0 [ 80.069635][ T3628] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 80.075606][ T3628] ? kfree+0x4a/0x270 [ 80.079630][ T3628] ? ocfs2_write_begin_nolock+0x423/0x4d20 [ 80.085427][ T3628] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 80.091589][ T3628] ? ocfs2_size_fits_inline_data+0x90/0x90 [ 80.097476][ T3628] ? ocfs2_inode_lock_full_nested+0x177/0x1bf0 [ 80.103748][ T3628] ? ocfs2_read_inode_block+0x148/0x1d0 [ 80.109326][ T3628] ? ocfs2_allocate_extend_trans+0x620/0x620 [ 80.115310][ T3628] ? read_lock_is_recursive+0x10/0x10 [ 80.120699][ T3628] ? rwsem_write_trylock+0x166/0x210 [ 80.125976][ T3628] ? clear_nonspinnable+0x60/0x60 [ 80.131008][ T3628] ocfs2_write_begin+0x1fd/0x390 [ 80.136033][ T3628] ? ocfs2_readahead+0x1a0/0x1a0 [ 80.140959][ T3628] ? __vfs_getxattr+0x3e0/0x410 [ 80.145991][ T3628] ? ktime_get_coarse_real_ts64+0x107/0x120 [ 80.152017][ T3628] generic_perform_write+0x2bf/0x5b0 [ 80.157489][ T3628] ? grab_cache_page_write_begin+0x90/0x90 [ 80.163307][ T3628] ? file_remove_privs+0x610/0x610 [ 80.168411][ T3628] ? do_raw_spin_unlock+0x137/0x8b0 [ 80.173677][ T3628] __generic_file_write_iter+0x243/0x4f0 [ 80.179315][ T3628] ? ocfs2_inode_unlock+0x122/0x150 [ 80.184511][ T3628] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 80.189971][ T3628] ? ocfs2_file_read_iter+0xae0/0xae0 [ 80.195340][ T3628] ? read_lock_is_recursive+0x10/0x10 [ 80.200702][ T3628] ? rcu_read_lock_any_held+0xb3/0x160 [ 80.206150][ T3628] ? rcu_read_lock_bh_held+0x110/0x110 [ 80.211597][ T3628] ? end_current_label_crit_section+0x147/0x170 [ 80.217837][ T3628] ? iov_iter_init+0x4a/0x170 [ 80.222530][ T3628] vfs_write+0xacd/0xe50 [ 80.226861][ T3628] ? file_end_write+0x250/0x250 [ 80.231706][ T3628] ? __context_tracking_enter+0x5f/0x90 [ 80.237246][ T3628] ? __fdget_pos+0x2d2/0x380 [ 80.241827][ T3628] ksys_write+0x1a2/0x2c0 [ 80.246153][ T3628] ? print_irqtrace_events+0x210/0x210 [ 80.251606][ T3628] ? __ia32_sys_read+0x80/0x80 [ 80.256360][ T3628] ? syscall_enter_from_user_mode+0x2e/0x240 [ 80.262330][ T3628] ? lockdep_hardirqs_on+0x94/0x130 [ 80.267518][ T3628] ? syscall_enter_from_user_mode+0x2e/0x240 [ 80.273496][ T3628] do_syscall_64+0x3b/0xb0 [ 80.277933][ T3628] ? clear_bhb_loop+0x15/0x70 [ 80.282592][ T3628] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 80.288473][ T3628] RIP: 0033:0x7f98e0704059 [ 80.292874][ T3628] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 1c 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 80.312467][ T3628] RSP: 002b:00007ffea4730158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 80.320866][ T3628] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98e0704059 [ 80.328825][ T3628] RDX: 000000000f642e7e RSI: 0000000020000200 RDI: 0000000000000004 [ 80.336779][ T3628] RBP: 0000000000000004 R08: 00000000000008c0 R09: 00000000000008c0 [ 80.344734][ T3628] R10: 0000000000004430 R11: 0000000000000246 R12: 00007ffea47301a0 [ 80.352711][ T3628] R13: 00007ffea47301e0 R14: 0000000001000000 R15: 0000000000000003 [ 80.360780][ T3628] [ 80.727911][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 80.935427][ T3631] loop0: detected capacity change from 0 to 32768 [ 81.032151][ T3631] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 81.390162][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 81.590454][ T3634] loop0: detected capacity change from 0 to 32768 [ 81.702564][ T3634] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 81.727169][ T1313] cfg80211: failed to load regulatory.db [ 82.129882][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 82.363290][ T3637] loop0: detected capacity change from 0 to 32768 [ 82.441847][ T3637] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 82.806295][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 83.002766][ T3640] loop0: detected capacity change from 0 to 32768 [ 83.091969][ T3640] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 83.456099][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 83.663479][ T3643] loop0: detected capacity change from 0 to 32768 [ 83.751992][ T3643] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 84.116559][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 84.310497][ T3646] loop0: detected capacity change from 0 to 32768 [ 84.402043][ T3646] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 84.765552][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 84.971793][ T3649] loop0: detected capacity change from 0 to 32768 [ 85.061796][ T3649] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 85.425090][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 85.654480][ T3652] loop0: detected capacity change from 0 to 32768 [ 85.752040][ T3652] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 86.115286][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 86.331599][ T3655] loop0: detected capacity change from 0 to 32768 [ 86.442003][ T3655] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 86.807833][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 87.023379][ T3658] loop0: detected capacity change from 0 to 32768 [ 87.111880][ T3658] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 87.473350][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 87.684171][ T3661] loop0: detected capacity change from 0 to 32768 [ 87.772066][ T3661] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 88.136677][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 88.342272][ T3664] loop0: detected capacity change from 0 to 32768 [ 88.431729][ T3664] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 88.796508][ T3564] ocfs2: Unmounting device (7,0) on (node local) executing program [ 89.011083][ T3667] loop0: detected capacity change from 0 to 32768 [ 89.062513][ T3667] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.