DUID 00:04:9a:9b:60:6a:39:26:c8:65:2f:c5:16:4d:58:03:30:c2 forked to background, child pid 3237 [ 31.119097][ T3238] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.135624][ T3238] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.255' (ED25519) to the list of known hosts. executing program syzkaller login: [ 55.336920][ T3563] loop0: detected capacity change from 0 to 32768 [ 55.382987][ T3563] ======================================================= [ 55.382987][ T3563] WARNING: The mand mount option has been deprecated and [ 55.382987][ T3563] and is ignored by this kernel. Remove the mand [ 55.382987][ T3563] option from the mount to silence this warning. [ 55.382987][ T3563] ======================================================= [ 55.453963][ T3563] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 56.083300][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.354846][ T3568] loop0: detected capacity change from 0 to 32768 [ 56.449903][ T3568] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 57.048231][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.328217][ T3571] loop0: detected capacity change from 0 to 32768 [ 57.429868][ T3571] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 57.929217][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.266222][ T3574] loop0: detected capacity change from 0 to 32768 [ 58.342624][ T3574] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 59.035418][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.326109][ T3577] loop0: detected capacity change from 0 to 32768 [ 59.439876][ T3577] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 59.988530][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.263072][ T3580] loop0: detected capacity change from 0 to 32768 [ 60.350601][ T3580] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 60.853047][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.117787][ T3583] loop0: detected capacity change from 0 to 32768 [ 61.209905][ T3583] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.717732][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.018549][ T3586] loop0: detected capacity change from 0 to 32768 [ 62.110186][ T3586] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 62.657799][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.963183][ T3589] loop0: detected capacity change from 0 to 32768 [ 63.050534][ T3589] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 63.636662][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.928537][ T3592] loop0: detected capacity change from 0 to 32768 [ 64.029883][ T3592] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.648719][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.933140][ T3595] loop0: detected capacity change from 0 to 32768 [ 65.030030][ T3595] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.620398][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.936736][ T3598] loop0: detected capacity change from 0 to 32768 [ 66.029780][ T3598] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.528208][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.830045][ T3601] loop0: detected capacity change from 0 to 32768 [ 66.920017][ T3601] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.527245][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.792103][ T3604] loop0: detected capacity change from 0 to 32768 [ 67.900461][ T3604] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.403633][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.672456][ T3607] loop0: detected capacity change from 0 to 32768 [ 68.760240][ T3607] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.276355][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.550149][ T3610] loop0: detected capacity change from 0 to 32768 [ 69.640701][ T3610] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 70.152833][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.440723][ T3613] loop0: detected capacity change from 0 to 32768 [ 70.531238][ T3613] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 71.119859][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.443374][ T3616] loop0: detected capacity change from 0 to 32768 [ 71.530372][ T3616] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 72.032627][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.342389][ T3619] loop0: detected capacity change from 0 to 32768 [ 72.440230][ T3619] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 72.452451][ T3619] [ 72.454809][ T3619] ====================================================== [ 72.461836][ T3619] WARNING: possible circular locking dependency detected [ 72.468841][ T3619] 5.15.167-syzkaller #0 Not tainted [ 72.474040][ T3619] ------------------------------------------------------ [ 72.481126][ T3619] syz-executor323/3619 is trying to acquire lock: [ 72.487612][ T3619] ffff8880777ad488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 72.498582][ T3619] [ 72.498582][ T3619] but task is already holding lock: [ 72.505930][ T3619] ffff888073d43120 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 72.516543][ T3619] [ 72.516543][ T3619] which lock already depends on the new lock. [ 72.516543][ T3619] [ 72.527133][ T3619] [ 72.527133][ T3619] the existing dependency chain (in reverse order) is: [ 72.536152][ T3619] [ 72.536152][ T3619] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 72.544911][ T3619] lock_acquire+0x1db/0x4f0 [ 72.549925][ T3619] down_read+0x45/0x2e0 [ 72.554619][ T3619] ocfs2_read_virt_blocks+0x2b3/0xa10 [ 72.560500][ T3619] ocfs2_find_entry+0x437/0x26d0 [ 72.565944][ T3619] ocfs2_find_files_on_disk+0xea/0x310 [ 72.571911][ T3619] ocfs2_lookup_ino_from_name+0xad/0x1e0 [ 72.578052][ T3619] ocfs2_get_system_file_inode+0x314/0x7b0 [ 72.584510][ T3619] ocfs2_init_global_system_inodes+0x328/0x720 [ 72.591184][ T3619] ocfs2_fill_super+0x479e/0x58a0 [ 72.596930][ T3619] mount_bdev+0x2c9/0x3f0 [ 72.601783][ T3619] legacy_get_tree+0xeb/0x180 [ 72.606967][ T3619] vfs_get_tree+0x88/0x270 [ 72.612004][ T3619] do_new_mount+0x2ba/0xb40 [ 72.617012][ T3619] __se_sys_mount+0x2d5/0x3c0 [ 72.622193][ T3619] do_syscall_64+0x3b/0xb0 [ 72.627149][ T3619] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.633664][ T3619] [ 72.633664][ T3619] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 72.642012][ T3619] validate_chain+0x1649/0x5930 [ 72.647391][ T3619] __lock_acquire+0x1295/0x1ff0 [ 72.652787][ T3619] lock_acquire+0x1db/0x4f0 [ 72.657813][ T3619] __mutex_lock_common+0x1da/0x25a0 [ 72.663567][ T3619] mutex_lock_nested+0x17/0x20 [ 72.668861][ T3619] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 72.675196][ T3619] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 72.681863][ T3619] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 72.688700][ T3619] ocfs2_lock_allocators+0x306/0x620 [ 72.694489][ T3619] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 72.700731][ T3619] ocfs2_write_begin+0x1fd/0x390 [ 72.706176][ T3619] generic_perform_write+0x2bf/0x5b0 [ 72.711974][ T3619] __generic_file_write_iter+0x243/0x4f0 [ 72.718120][ T3619] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 72.724094][ T3619] vfs_write+0xacd/0xe50 [ 72.729116][ T3619] ksys_write+0x1a2/0x2c0 [ 72.733993][ T3619] do_syscall_64+0x3b/0xb0 [ 72.738972][ T3619] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.745386][ T3619] [ 72.745386][ T3619] other info that might help us debug this: [ 72.745386][ T3619] [ 72.755625][ T3619] Possible unsafe locking scenario: [ 72.755625][ T3619] [ 72.763060][ T3619] CPU0 CPU1 [ 72.768410][ T3619] ---- ---- [ 72.773868][ T3619] lock(&ocfs2_file_ip_alloc_sem_key); [ 72.779403][ T3619] lock(&osb->system_file_mutex); [ 72.787019][ T3619] lock(&ocfs2_file_ip_alloc_sem_key); [ 72.795093][ T3619] lock(&osb->system_file_mutex); [ 72.800190][ T3619] [ 72.800190][ T3619] *** DEADLOCK *** [ 72.800190][ T3619] [ 72.808516][ T3619] 3 locks held by syz-executor323/3619: [ 72.814147][ T3619] #0: ffff888022eee460 (sb_writers#9){.+.+}-{0:0}, at: vfs_write+0x29a/0xe50 [ 72.823300][ T3619] #1: ffff888073d43488 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x446/0x1fa0 [ 72.834746][ T3619] #2: ffff888073d43120 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 72.845826][ T3619] [ 72.845826][ T3619] stack backtrace: [ 72.851723][ T3619] CPU: 0 PID: 3619 Comm: syz-executor323 Not tainted 5.15.167-syzkaller #0 [ 72.860297][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 72.870471][ T3619] Call Trace: [ 72.873778][ T3619] [ 72.876736][ T3619] dump_stack_lvl+0x1e3/0x2d0 [ 72.881435][ T3619] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 72.887066][ T3619] ? print_circular_bug+0x12b/0x1a0 [ 72.892258][ T3619] check_noncircular+0x2f8/0x3b0 [ 72.897203][ T3619] ? add_chain_block+0x850/0x850 [ 72.902144][ T3619] ? lockdep_lock+0x11f/0x2a0 [ 72.906821][ T3619] ? __lock_acquire+0x1295/0x1ff0 [ 72.911841][ T3619] validate_chain+0x1649/0x5930 [ 72.916695][ T3619] ? __bfs+0x359/0x6e0 [ 72.920757][ T3619] ? reacquire_held_locks+0x660/0x660 [ 72.926138][ T3619] ? noop_count+0x30/0x30 [ 72.930487][ T3619] ? validate_chain+0x112/0x5930 [ 72.935848][ T3619] ? rcu_is_watching+0x11/0xa0 [ 72.940603][ T3619] ? mark_lock+0x98/0x340 [ 72.944943][ T3619] __lock_acquire+0x1295/0x1ff0 [ 72.949786][ T3619] lock_acquire+0x1db/0x4f0 [ 72.954297][ T3619] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 72.960270][ T3619] ? read_lock_is_recursive+0x10/0x10 [ 72.965627][ T3619] ? __might_sleep+0xc0/0xc0 [ 72.970203][ T3619] ? __lock_acquire+0x1295/0x1ff0 [ 72.975216][ T3619] __mutex_lock_common+0x1da/0x25a0 [ 72.980404][ T3619] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 72.986402][ T3619] ? read_lock_is_recursive+0x10/0x10 [ 72.991768][ T3619] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 72.997751][ T3619] ? ocfs2_get_system_file_inode+0x144/0x7b0 [ 73.003731][ T3619] ? mutex_lock_io_nested+0x60/0x60 [ 73.009026][ T3619] ? do_raw_spin_lock+0x14a/0x370 [ 73.014063][ T3619] ? do_raw_spin_unlock+0x137/0x8b0 [ 73.019426][ T3619] mutex_lock_nested+0x17/0x20 [ 73.024193][ T3619] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 73.029998][ T3619] ? ocfs2_fast_symlink_readpage+0x420/0x420 [ 73.035986][ T3619] ? __kernel_text_address+0x94/0x100 [ 73.041380][ T3619] ? reacquire_held_locks+0x660/0x660 [ 73.046829][ T3619] ? unwind_get_return_address+0x49/0x80 [ 73.052470][ T3619] ? arch_stack_walk+0xf3/0x140 [ 73.057314][ T3619] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 73.063458][ T3619] ? stack_trace_save+0x113/0x1c0 [ 73.068479][ T3619] ? kasan_unpoison+0x42/0x60 [ 73.073144][ T3619] ? mark_lock+0x98/0x340 [ 73.077485][ T3619] ? __lock_acquire+0x1295/0x1ff0 [ 73.082496][ T3619] ? ocfs2_complete_local_alloc_recovery+0x620/0x620 [ 73.089171][ T3619] ? read_lock_is_recursive+0x10/0x10 [ 73.094547][ T3619] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 73.100603][ T3619] ? __lock_acquire+0x1ff0/0x1ff0 [ 73.105632][ T3619] ? do_raw_spin_lock+0x14a/0x370 [ 73.110648][ T3619] ? do_raw_spin_unlock+0x137/0x8b0 [ 73.115838][ T3619] ? _raw_spin_unlock+0x24/0x40 [ 73.120691][ T3619] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 73.126759][ T3619] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 73.133092][ T3619] ? mark_lock+0x98/0x340 [ 73.137421][ T3619] ? ocfs2_reserve_clusters+0x30/0x30 [ 73.142798][ T3619] ? __lock_acquire+0x1295/0x1ff0 [ 73.147860][ T3619] ? rcu_is_watching+0x11/0xa0 [ 73.152702][ T3619] ? ocfs2_num_free_extents+0x365/0x680 [ 73.158239][ T3619] ? ocfs2_validate_extent_block+0x580/0x580 [ 73.164225][ T3619] ocfs2_lock_allocators+0x306/0x620 [ 73.169516][ T3619] ? _ocfs2_clear_bit+0x40/0x40 [ 73.174670][ T3619] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 73.180558][ T3619] ? rcu_is_watching+0x11/0xa0 [ 73.185328][ T3619] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 73.191247][ T3619] ? kfree+0x4a/0x270 [ 73.195240][ T3619] ? ocfs2_write_begin_nolock+0x423/0x4d20 [ 73.201245][ T3619] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 73.206986][ T3619] ? ocfs2_size_fits_inline_data+0x90/0x90 [ 73.212805][ T3619] ? ocfs2_inode_lock_full_nested+0x177/0x1bf0 [ 73.218970][ T3619] ? ocfs2_read_inode_block+0x148/0x1d0 [ 73.224509][ T3619] ? ocfs2_allocate_extend_trans+0x620/0x620 [ 73.230487][ T3619] ? read_lock_is_recursive+0x10/0x10 [ 73.235853][ T3619] ? rwsem_write_trylock+0x166/0x210 [ 73.241260][ T3619] ? clear_nonspinnable+0x60/0x60 [ 73.246381][ T3619] ocfs2_write_begin+0x1fd/0x390 [ 73.251439][ T3619] ? ocfs2_readahead+0x1a0/0x1a0 [ 73.256413][ T3619] ? __vfs_getxattr+0x3e0/0x410 [ 73.261262][ T3619] ? ktime_get_coarse_real_ts64+0x107/0x120 [ 73.267170][ T3619] generic_perform_write+0x2bf/0x5b0 [ 73.272494][ T3619] ? grab_cache_page_write_begin+0x90/0x90 [ 73.278302][ T3619] ? file_remove_privs+0x610/0x610 [ 73.283420][ T3619] ? do_raw_spin_unlock+0x137/0x8b0 [ 73.288619][ T3619] __generic_file_write_iter+0x243/0x4f0 [ 73.294275][ T3619] ? ocfs2_inode_unlock+0x122/0x150 [ 73.299476][ T3619] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 73.304971][ T3619] ? ocfs2_file_read_iter+0xae0/0xae0 [ 73.310342][ T3619] ? read_lock_is_recursive+0x10/0x10 [ 73.315706][ T3619] ? rcu_read_lock_any_held+0xb3/0x160 [ 73.321162][ T3619] ? rcu_read_lock_bh_held+0x110/0x110 [ 73.326631][ T3619] ? end_current_label_crit_section+0x147/0x170 [ 73.332911][ T3619] ? iov_iter_init+0x4a/0x170 [ 73.337608][ T3619] vfs_write+0xacd/0xe50 [ 73.341850][ T3619] ? file_end_write+0x250/0x250 [ 73.346695][ T3619] ? __context_tracking_enter+0x5f/0x90 [ 73.352293][ T3619] ? __fdget_pos+0x2d2/0x380 [ 73.356875][ T3619] ksys_write+0x1a2/0x2c0 [ 73.361367][ T3619] ? print_irqtrace_events+0x210/0x210 [ 73.367338][ T3619] ? __ia32_sys_read+0x80/0x80 [ 73.372092][ T3619] ? syscall_enter_from_user_mode+0x2e/0x240 [ 73.378065][ T3619] ? lockdep_hardirqs_on+0x94/0x130 [ 73.383255][ T3619] ? syscall_enter_from_user_mode+0x2e/0x240 [ 73.389229][ T3619] do_syscall_64+0x3b/0xb0 [ 73.393668][ T3619] ? clear_bhb_loop+0x15/0x70 [ 73.398507][ T3619] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.404391][ T3619] RIP: 0033:0x7fe75440f169 [ 73.408905][ T3619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 [ 73.428510][ T3619] RSP: 002b:00007ffd44d15e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.436923][ T3619] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe75440f169 [ 73.444885][ T3619] RDX: 000000000f642e7e RSI: 0000000020000200 RDI: 0000000000000004 [ 73.452845][ T3619] RBP: 0000000000000004 R08: 00000000000008c0 R09: 00000000000008c0 [ 73.460823][ T3619] R10: 0000000000004430 R11: 0000000000000246 R12: 00007ffd44d15e50 [ 73.468876][ T3619] R13: 00007ffd44d15e90 R14: 0000000001000000 R15: 0000000000000003 [ 73.477163][ T3619] [ 73.856997][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.069290][ T3622] loop0: detected capacity change from 0 to 32768 [ 74.156787][ T3622] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 74.528371][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.741764][ T3625] loop0: detected capacity change from 0 to 32768 [ 74.826682][ T3625] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.197542][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 75.420207][ T3628] loop0: detected capacity change from 0 to 32768 [ 75.506380][ T3628] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.876382][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 76.098595][ T3631] loop0: detected capacity change from 0 to 32768 [ 76.186742][ T3631] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.401631][ T21] cfg80211: failed to load regulatory.db [ 76.698369][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 76.921404][ T3634] loop0: detected capacity change from 0 to 32768 [ 77.016798][ T3634] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 77.385735][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 77.607376][ T3637] loop0: detected capacity change from 0 to 32768 [ 77.696447][ T3637] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.064215][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 78.275721][ T3640] loop0: detected capacity change from 0 to 32768 [ 78.366305][ T3640] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.733702][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 78.951350][ T3643] loop0: detected capacity change from 0 to 32768 [ 79.076440][ T3643] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.444255][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 79.658659][ T3646] loop0: detected capacity change from 0 to 32768 [ 79.746895][ T3646] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 80.111030][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 80.315571][ T3649] loop0: detected capacity change from 0 to 32768 [ 80.406560][ T3649] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 80.771094][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 80.984928][ T3652] loop0: detected capacity change from 0 to 32768 [ 81.087002][ T3652] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 81.455528][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 81.710308][ T3655] loop0: detected capacity change from 0 to 32768 [ 81.796507][ T3655] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 82.165699][ T3562] ocfs2: Unmounting device (7,0) on (node local) executing program [ 82.386931][ T3658] loop0: detected capacity change from 0 to 32768