Warning: Permanently added '10.128.1.79' (ED25519) to the list of known hosts. executing program [ 63.557124][ T3566] loop0: detected capacity change from 0 to 32768 [ 63.604953][ T3566] ======================================================= [ 63.604953][ T3566] WARNING: The mand mount option has been deprecated and [ 63.604953][ T3566] and is ignored by this kernel. Remove the mand [ 63.604953][ T3566] option from the mount to silence this warning. [ 63.604953][ T3566] ======================================================= [ 63.670806][ T3566] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.158635][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.365651][ T3570] loop0: detected capacity change from 0 to 32768 [ 64.451045][ T3570] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.836018][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.063165][ T3573] loop0: detected capacity change from 0 to 32768 [ 65.150615][ T3573] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.537257][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.762277][ T3576] loop0: detected capacity change from 0 to 32768 [ 65.851536][ T3576] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.238946][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.456794][ T3579] loop0: detected capacity change from 0 to 32768 [ 66.541249][ T3579] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.983052][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.214613][ T3582] loop0: detected capacity change from 0 to 32768 [ 67.301631][ T3582] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.853862][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.107724][ T3585] loop0: detected capacity change from 0 to 32768 [ 68.201558][ T3585] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.683147][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.922118][ T3588] loop0: detected capacity change from 0 to 32768 [ 69.010667][ T3588] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.398953][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.634441][ T3591] loop0: detected capacity change from 0 to 32768 [ 69.720659][ T3591] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 70.104533][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.353360][ T3594] loop0: detected capacity change from 0 to 32768 [ 70.441268][ T3594] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 70.907591][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.131522][ T3597] loop0: detected capacity change from 0 to 32768 [ 71.176314][ T1074] cfg80211: failed to load regulatory.db [ 71.254443][ T3597] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 71.829400][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.050610][ T3600] loop0: detected capacity change from 0 to 32768 [ 72.161041][ T3600] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 72.565951][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.785095][ T3603] loop0: detected capacity change from 0 to 32768 [ 72.870963][ T3603] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 73.377998][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 73.604186][ T3606] loop0: detected capacity change from 0 to 32768 [ 73.691554][ T3606] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 74.146058][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.385267][ T3609] loop0: detected capacity change from 0 to 32768 [ 74.481055][ T3609] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 74.868066][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 75.082209][ T3612] loop0: detected capacity change from 0 to 32768 [ 75.191679][ T3612] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 75.204967][ T3612] [ 75.207297][ T3612] ====================================================== [ 75.214311][ T3612] WARNING: possible circular locking dependency detected [ 75.221297][ T3612] 5.15.167-syzkaller #0 Not tainted [ 75.226459][ T3612] ------------------------------------------------------ [ 75.233441][ T3612] syz-executor854/3612 is trying to acquire lock: [ 75.239821][ T3612] ffff88801c235488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 75.250756][ T3612] [ 75.250756][ T3612] but task is already holding lock: [ 75.258103][ T3612] ffff88806ec50660 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 75.268587][ T3612] [ 75.268587][ T3612] which lock already depends on the new lock. [ 75.268587][ T3612] [ 75.278960][ T3612] [ 75.278960][ T3612] the existing dependency chain (in reverse order) is: [ 75.287943][ T3612] [ 75.287943][ T3612] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 75.296783][ T3612] lock_acquire+0x1db/0x4f0 [ 75.301777][ T3612] down_read+0x45/0x2e0 [ 75.306428][ T3612] ocfs2_read_virt_blocks+0x2b3/0xa10 [ 75.312303][ T3612] ocfs2_find_entry+0x437/0x26d0 [ 75.317761][ T3612] ocfs2_find_files_on_disk+0xea/0x310 [ 75.323712][ T3612] ocfs2_lookup_ino_from_name+0xad/0x1e0 [ 75.329832][ T3612] ocfs2_get_system_file_inode+0x314/0x7b0 [ 75.336126][ T3612] ocfs2_init_global_system_inodes+0x328/0x720 [ 75.342768][ T3612] ocfs2_fill_super+0x479e/0x58a0 [ 75.348281][ T3612] mount_bdev+0x2c9/0x3f0 [ 75.353098][ T3612] legacy_get_tree+0xeb/0x180 [ 75.358263][ T3612] vfs_get_tree+0x88/0x270 [ 75.363164][ T3612] do_new_mount+0x2ba/0xb40 [ 75.368153][ T3612] __se_sys_mount+0x2d5/0x3c0 [ 75.373319][ T3612] do_syscall_64+0x3b/0xb0 [ 75.378239][ T3612] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.384631][ T3612] [ 75.384631][ T3612] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 75.392939][ T3612] validate_chain+0x1649/0x5930 [ 75.398278][ T3612] __lock_acquire+0x1295/0x1ff0 [ 75.403617][ T3612] lock_acquire+0x1db/0x4f0 [ 75.408618][ T3612] __mutex_lock_common+0x1da/0x25a0 [ 75.414306][ T3612] mutex_lock_nested+0x17/0x20 [ 75.419558][ T3612] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 75.425850][ T3612] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 75.432495][ T3612] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 75.439312][ T3612] ocfs2_lock_allocators+0x306/0x620 [ 75.445083][ T3612] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 75.451289][ T3612] ocfs2_write_begin+0x1fd/0x390 [ 75.456717][ T3612] generic_perform_write+0x2bf/0x5b0 [ 75.462510][ T3612] __generic_file_write_iter+0x243/0x4f0 [ 75.468629][ T3612] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 75.474577][ T3612] vfs_write+0xacd/0xe50 [ 75.479309][ T3612] ksys_write+0x1a2/0x2c0 [ 75.484125][ T3612] do_syscall_64+0x3b/0xb0 [ 75.489031][ T3612] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.495411][ T3612] [ 75.495411][ T3612] other info that might help us debug this: [ 75.495411][ T3612] [ 75.505604][ T3612] Possible unsafe locking scenario: [ 75.505604][ T3612] [ 75.513018][ T3612] CPU0 CPU1 [ 75.518350][ T3612] ---- ---- [ 75.523682][ T3612] lock(&ocfs2_file_ip_alloc_sem_key); [ 75.529195][ T3612] lock(&osb->system_file_mutex); [ 75.536789][ T3612] lock(&ocfs2_file_ip_alloc_sem_key); [ 75.544818][ T3612] lock(&osb->system_file_mutex); [ 75.549897][ T3612] [ 75.549897][ T3612] *** DEADLOCK *** [ 75.549897][ T3612] [ 75.558009][ T3612] 3 locks held by syz-executor854/3612: [ 75.563523][ T3612] #0: ffff88807806c460 (sb_writers#9){.+.+}-{0:0}, at: vfs_write+0x29a/0xe50 [ 75.572382][ T3612] #1: ffff88806ec509c8 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x446/0x1fa0 [ 75.583650][ T3612] #2: ffff88806ec50660 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 75.594655][ T3612] [ 75.594655][ T3612] stack backtrace: [ 75.600523][ T3612] CPU: 0 PID: 3612 Comm: syz-executor854 Not tainted 5.15.167-syzkaller #0 [ 75.609090][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 75.619137][ T3612] Call Trace: [ 75.622400][ T3612] [ 75.625303][ T3612] dump_stack_lvl+0x1e3/0x2d0 [ 75.629956][ T3612] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 75.635556][ T3612] ? print_circular_bug+0x12b/0x1a0 [ 75.640724][ T3612] check_noncircular+0x2f8/0x3b0 [ 75.645631][ T3612] ? add_chain_block+0x850/0x850 [ 75.650536][ T3612] ? lockdep_lock+0x11f/0x2a0 [ 75.655177][ T3612] ? validate_chain+0x112/0x5930 [ 75.660082][ T3612] ? rcu_lock_release+0x5/0x20 [ 75.664814][ T3612] validate_chain+0x1649/0x5930 [ 75.669638][ T3612] ? __bfs+0x359/0x6e0 [ 75.673672][ T3612] ? reacquire_held_locks+0x660/0x660 [ 75.679011][ T3612] ? noop_count+0x30/0x30 [ 75.683305][ T3612] ? validate_chain+0x112/0x5930 [ 75.688209][ T3612] ? rcu_is_watching+0x11/0xa0 [ 75.692942][ T3612] ? mark_lock+0x98/0x340 [ 75.697238][ T3612] __lock_acquire+0x1295/0x1ff0 [ 75.702058][ T3612] lock_acquire+0x1db/0x4f0 [ 75.706526][ T3612] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 75.712483][ T3612] ? read_lock_is_recursive+0x10/0x10 [ 75.717840][ T3612] ? __might_sleep+0xc0/0xc0 [ 75.722401][ T3612] ? __lock_acquire+0x1295/0x1ff0 [ 75.727394][ T3612] __mutex_lock_common+0x1da/0x25a0 [ 75.732562][ T3612] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 75.738512][ T3612] ? read_lock_is_recursive+0x10/0x10 [ 75.743853][ T3612] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 75.749801][ T3612] ? ocfs2_get_system_file_inode+0x144/0x7b0 [ 75.755752][ T3612] ? mutex_lock_io_nested+0x60/0x60 [ 75.760917][ T3612] ? do_raw_spin_lock+0x14a/0x370 [ 75.765910][ T3612] ? do_raw_spin_unlock+0x137/0x8b0 [ 75.771079][ T3612] mutex_lock_nested+0x17/0x20 [ 75.775811][ T3612] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 75.781587][ T3612] ? ocfs2_fast_symlink_readpage+0x420/0x420 [ 75.787535][ T3612] ? __kernel_text_address+0x94/0x100 [ 75.792878][ T3612] ? reacquire_held_locks+0x660/0x660 [ 75.798217][ T3612] ? unwind_get_return_address+0x49/0x80 [ 75.803819][ T3612] ? arch_stack_walk+0xf3/0x140 [ 75.808643][ T3612] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 75.814767][ T3612] ? stack_trace_save+0x113/0x1c0 [ 75.819764][ T3612] ? kasan_unpoison+0x42/0x60 [ 75.824411][ T3612] ? mark_lock+0x98/0x340 [ 75.828710][ T3612] ? __lock_acquire+0x1295/0x1ff0 [ 75.833702][ T3612] ? ocfs2_complete_local_alloc_recovery+0x620/0x620 [ 75.840347][ T3612] ? read_lock_is_recursive+0x10/0x10 [ 75.845684][ T3612] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 75.851718][ T3612] ? __lock_acquire+0x1ff0/0x1ff0 [ 75.856708][ T3612] ? do_raw_spin_lock+0x14a/0x370 [ 75.861700][ T3612] ? do_raw_spin_unlock+0x137/0x8b0 [ 75.866864][ T3612] ? _raw_spin_unlock+0x24/0x40 [ 75.871684][ T3612] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 75.877719][ T3612] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 75.884018][ T3612] ? mark_lock+0x98/0x340 [ 75.888332][ T3612] ? ocfs2_reserve_clusters+0x30/0x30 [ 75.893673][ T3612] ? __lock_acquire+0x1295/0x1ff0 [ 75.898688][ T3612] ? rcu_is_watching+0x11/0xa0 [ 75.903421][ T3612] ? ocfs2_num_free_extents+0x365/0x680 [ 75.908936][ T3612] ? ocfs2_validate_extent_block+0x580/0x580 [ 75.914885][ T3612] ocfs2_lock_allocators+0x306/0x620 [ 75.920141][ T3612] ? _ocfs2_clear_bit+0x40/0x40 [ 75.924960][ T3612] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 75.930823][ T3612] ? rcu_is_watching+0x11/0xa0 [ 75.935554][ T3612] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 75.941415][ T3612] ? kfree+0x4a/0x270 [ 75.945366][ T3612] ? ocfs2_write_begin_nolock+0x423/0x4d20 [ 75.951141][ T3612] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 75.956838][ T3612] ? ocfs2_size_fits_inline_data+0x90/0x90 [ 75.962613][ T3612] ? ocfs2_inode_lock_full_nested+0x177/0x1bf0 [ 75.968750][ T3612] ? ocfs2_read_inode_block+0x148/0x1d0 [ 75.974268][ T3612] ? ocfs2_allocate_extend_trans+0x620/0x620 [ 75.980219][ T3612] ? read_lock_is_recursive+0x10/0x10 [ 75.985558][ T3612] ? rwsem_write_trylock+0x166/0x210 [ 75.990813][ T3612] ? clear_nonspinnable+0x60/0x60 [ 75.995810][ T3612] ocfs2_write_begin+0x1fd/0x390 [ 76.000718][ T3612] ? ocfs2_readahead+0x1a0/0x1a0 [ 76.005625][ T3612] ? __vfs_getxattr+0x3e0/0x410 [ 76.010445][ T3612] ? ktime_get_coarse_real_ts64+0x107/0x120 [ 76.016307][ T3612] generic_perform_write+0x2bf/0x5b0 [ 76.021566][ T3612] ? grab_cache_page_write_begin+0x90/0x90 [ 76.027342][ T3612] ? file_remove_privs+0x610/0x610 [ 76.032421][ T3612] ? do_raw_spin_unlock+0x137/0x8b0 [ 76.037588][ T3612] __generic_file_write_iter+0x243/0x4f0 [ 76.043190][ T3612] ? ocfs2_inode_unlock+0x122/0x150 [ 76.048356][ T3612] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 76.053791][ T3612] ? ocfs2_file_read_iter+0xae0/0xae0 [ 76.059131][ T3612] ? read_lock_is_recursive+0x10/0x10 [ 76.064470][ T3612] ? rcu_read_lock_any_held+0xb3/0x160 [ 76.069900][ T3612] ? rcu_read_lock_bh_held+0x110/0x110 [ 76.075324][ T3612] ? end_current_label_crit_section+0x147/0x170 [ 76.081535][ T3612] ? iov_iter_init+0x4a/0x170 [ 76.086179][ T3612] vfs_write+0xacd/0xe50 [ 76.090391][ T3612] ? file_end_write+0x250/0x250 [ 76.095210][ T3612] ? __context_tracking_enter+0x5f/0x90 [ 76.100727][ T3612] ? __fdget_pos+0x2d2/0x380 [ 76.105287][ T3612] ksys_write+0x1a2/0x2c0 [ 76.109584][ T3612] ? print_irqtrace_events+0x210/0x210 [ 76.115012][ T3612] ? __ia32_sys_read+0x80/0x80 [ 76.119746][ T3612] ? syscall_enter_from_user_mode+0x2e/0x240 [ 76.125693][ T3612] ? lockdep_hardirqs_on+0x94/0x130 [ 76.130859][ T3612] ? syscall_enter_from_user_mode+0x2e/0x240 [ 76.136808][ T3612] do_syscall_64+0x3b/0xb0 [ 76.141193][ T3612] ? clear_bhb_loop+0x15/0x70 [ 76.145838][ T3612] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.151703][ T3612] RIP: 0033:0x7f7bd0d3d169 [ 76.156089][ T3612] 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 [ 76.175670][ T3612] RSP: 002b:00007ffc221bc288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.184050][ T3612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7bd0d3d169 [ 76.191989][ T3612] RDX: 000000000208e24b RSI: 0000000020000080 RDI: 0000000000000005 [ 76.199946][ T3612] RBP: 0000000000000004 R08: 00000000000008c0 R09: 00000000000008c0 [ 76.207886][ T3612] R10: 00000000000008c0 R11: 0000000000000246 R12: 00007ffc221bc2d0 [ 76.215840][ T3612] R13: 00007ffc221bc310 R14: 0000000001000000 R15: 0000000000000003 [ 76.223787][ T3612] [ 76.469565][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 76.642130][ T3615] loop0: detected capacity change from 0 to 32768 [ 76.747903][ T3615] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 77.004742][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 77.178419][ T3618] loop0: detected capacity change from 0 to 32768 [ 77.277841][ T3618] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 77.540159][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 77.710131][ T3621] loop0: detected capacity change from 0 to 32768 [ 77.797966][ T3621] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.050258][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 78.218109][ T3624] loop0: detected capacity change from 0 to 32768 [ 78.318402][ T3624] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 78.572105][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 78.739827][ T3627] loop0: detected capacity change from 0 to 32768 [ 78.827921][ T3627] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.083588][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 79.275178][ T3630] loop0: detected capacity change from 0 to 32768 [ 79.358146][ T3630] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.610163][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 79.798780][ T3633] loop0: detected capacity change from 0 to 32768 [ 79.887976][ T3633] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 80.139321][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 80.318189][ T3636] loop0: detected capacity change from 0 to 32768 [ 80.407896][ T3636] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 80.662624][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 80.829989][ T3639] loop0: detected capacity change from 0 to 32768 [ 80.927899][ T3639] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 81.179620][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 81.348549][ T3642] loop0: detected capacity change from 0 to 32768 [ 81.438275][ T3642] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 81.690862][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 81.859255][ T3645] loop0: detected capacity change from 0 to 32768 [ 81.947852][ T3645] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 82.204131][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 82.379503][ T3648] loop0: detected capacity change from 0 to 32768 [ 82.477978][ T3648] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 82.733864][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 82.909177][ T3651] loop0: detected capacity change from 0 to 32768 [ 83.027875][ T3651] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 83.282231][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 83.448532][ T3654] loop0: detected capacity change from 0 to 32768 [ 83.557866][ T3654] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 83.814259][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 83.989873][ T3657] loop0: detected capacity change from 0 to 32768 [ 84.077721][ T3657] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 84.334519][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 84.497854][ T3660] loop0: detected capacity change from 0 to 32768 [ 84.587962][ T3660] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 84.842153][ T3565] ocfs2: Unmounting device (7,0) on (node local) executing program [ 85.012806][ T3665] loop0: detected capacity change from 0 to 32768 [ 85.118203][ T3665] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.