Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. executing program [ 50.458695][ T3562] loop0: detected capacity change from 0 to 32768 [ 50.500387][ T3562] ======================================================= [ 50.500387][ T3562] WARNING: The mand mount option has been deprecated and [ 50.500387][ T3562] and is ignored by this kernel. Remove the mand [ 50.500387][ T3562] option from the mount to silence this warning. [ 50.500387][ T3562] ======================================================= [ 50.565486][ T3562] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.059212][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.310707][ T3567] loop0: detected capacity change from 0 to 32768 [ 51.397521][ T3567] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.865875][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.083066][ T3570] loop0: detected capacity change from 0 to 32768 [ 52.177450][ T3570] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 52.607758][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.857378][ T3573] loop0: detected capacity change from 0 to 32768 [ 53.006047][ T3573] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 53.408233][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.648012][ T3576] loop0: detected capacity change from 0 to 32768 [ 53.737096][ T3576] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 54.190500][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.419472][ T3579] loop0: detected capacity change from 0 to 32768 [ 54.500361][ T3579] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 55.142045][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.361375][ T3582] loop0: detected capacity change from 0 to 32768 [ 55.446614][ T3582] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 55.870847][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.106968][ T3585] loop0: detected capacity change from 0 to 32768 [ 56.197057][ T3585] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 56.593202][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.817089][ T3588] loop0: detected capacity change from 0 to 32768 [ 56.910127][ T3588] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 57.315874][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.550322][ T3591] loop0: detected capacity change from 0 to 32768 [ 57.646939][ T3591] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 58.053899][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.272624][ T3594] loop0: detected capacity change from 0 to 32768 [ 58.366465][ T3594] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 58.827177][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.088064][ T3597] loop0: detected capacity change from 0 to 32768 [ 59.188319][ T3597] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 59.589395][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.807237][ T3600] loop0: detected capacity change from 0 to 32768 [ 59.896920][ T3600] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 60.401693][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.622319][ T3603] loop0: detected capacity change from 0 to 32768 [ 60.715970][ T3603] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.185156][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.399731][ T3606] loop0: detected capacity change from 0 to 32768 [ 61.486605][ T3606] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.960631][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.178666][ T3609] loop0: detected capacity change from 0 to 32768 [ 62.266489][ T3609] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 62.280070][ T3609] [ 62.282444][ T3609] ====================================================== [ 62.289439][ T3609] WARNING: possible circular locking dependency detected [ 62.296430][ T3609] 5.15.167-syzkaller #0 Not tainted [ 62.301608][ T3609] ------------------------------------------------------ [ 62.308594][ T3609] syz-executor322/3609 is trying to acquire lock: [ 62.314974][ T3609] ffff8880750c1488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 62.325951][ T3609] [ 62.325951][ T3609] but task is already holding lock: [ 62.333294][ T3609] ffff888070eab120 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 62.343812][ T3609] [ 62.343812][ T3609] which lock already depends on the new lock. [ 62.343812][ T3609] [ 62.354204][ T3609] [ 62.354204][ T3609] the existing dependency chain (in reverse order) is: [ 62.363319][ T3609] [ 62.363319][ T3609] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 62.372069][ T3609] lock_acquire+0x1db/0x4f0 [ 62.377077][ T3609] down_read+0x45/0x2e0 [ 62.381740][ T3609] ocfs2_read_virt_blocks+0x2b3/0xa10 [ 62.387608][ T3609] ocfs2_find_entry+0x437/0x26d0 [ 62.393046][ T3609] ocfs2_find_files_on_disk+0xea/0x310 [ 62.399113][ T3609] ocfs2_lookup_ino_from_name+0xad/0x1e0 [ 62.405273][ T3609] ocfs2_get_system_file_inode+0x314/0x7b0 [ 62.411580][ T3609] ocfs2_init_global_system_inodes+0x328/0x720 [ 62.418240][ T3609] ocfs2_fill_super+0x479e/0x58a0 [ 62.423757][ T3609] mount_bdev+0x2c9/0x3f0 [ 62.428583][ T3609] legacy_get_tree+0xeb/0x180 [ 62.433763][ T3609] vfs_get_tree+0x88/0x270 [ 62.438690][ T3609] do_new_mount+0x2ba/0xb40 [ 62.443682][ T3609] __se_sys_mount+0x2d5/0x3c0 [ 62.448858][ T3609] do_syscall_64+0x3b/0xb0 [ 62.453854][ T3609] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.460244][ T3609] [ 62.460244][ T3609] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 62.468550][ T3609] validate_chain+0x1649/0x5930 [ 62.473894][ T3609] __lock_acquire+0x1295/0x1ff0 [ 62.479233][ T3609] lock_acquire+0x1db/0x4f0 [ 62.484243][ T3609] __mutex_lock_common+0x1da/0x25a0 [ 62.489935][ T3609] mutex_lock_nested+0x17/0x20 [ 62.495190][ T3609] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 62.501492][ T3609] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 62.508142][ T3609] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 62.515121][ T3609] ocfs2_lock_allocators+0x306/0x620 [ 62.520908][ T3609] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 62.527133][ T3609] ocfs2_write_begin+0x1fd/0x390 [ 62.532570][ T3609] generic_perform_write+0x2bf/0x5b0 [ 62.538366][ T3609] __generic_file_write_iter+0x243/0x4f0 [ 62.544493][ T3609] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 62.550450][ T3609] vfs_write+0xacd/0xe50 [ 62.555185][ T3609] ksys_write+0x1a2/0x2c0 [ 62.560015][ T3609] do_syscall_64+0x3b/0xb0 [ 62.564928][ T3609] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.571314][ T3609] [ 62.571314][ T3609] other info that might help us debug this: [ 62.571314][ T3609] [ 62.581513][ T3609] Possible unsafe locking scenario: [ 62.581513][ T3609] [ 62.588939][ T3609] CPU0 CPU1 [ 62.594297][ T3609] ---- ---- [ 62.599630][ T3609] lock(&ocfs2_file_ip_alloc_sem_key); [ 62.605204][ T3609] lock(&osb->system_file_mutex); [ 62.612802][ T3609] lock(&ocfs2_file_ip_alloc_sem_key); [ 62.620834][ T3609] lock(&osb->system_file_mutex); [ 62.625915][ T3609] [ 62.625915][ T3609] *** DEADLOCK *** [ 62.625915][ T3609] [ 62.634040][ T3609] 3 locks held by syz-executor322/3609: [ 62.639557][ T3609] #0: ffff88807539e460 (sb_writers#9){.+.+}-{0:0}, at: vfs_write+0x29a/0xe50 [ 62.648587][ T3609] #1: ffff888070eab488 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x446/0x1fa0 [ 62.659860][ T3609] #2: ffff888070eab120 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x1cb/0x390 [ 62.670780][ T3609] [ 62.670780][ T3609] stack backtrace: [ 62.676647][ T3609] CPU: 1 PID: 3609 Comm: syz-executor322 Not tainted 5.15.167-syzkaller #0 [ 62.685200][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 62.695236][ T3609] Call Trace: [ 62.698491][ T3609] [ 62.701398][ T3609] dump_stack_lvl+0x1e3/0x2d0 [ 62.706051][ T3609] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 62.711657][ T3609] ? print_circular_bug+0x12b/0x1a0 [ 62.716826][ T3609] check_noncircular+0x2f8/0x3b0 [ 62.721735][ T3609] ? add_chain_block+0x850/0x850 [ 62.726647][ T3609] ? lockdep_lock+0x11f/0x2a0 [ 62.731292][ T3609] ? validate_chain+0x112/0x5930 [ 62.736212][ T3609] ? rcu_lock_release+0x5/0x20 [ 62.740946][ T3609] validate_chain+0x1649/0x5930 [ 62.745773][ T3609] ? __bfs+0x359/0x6e0 [ 62.749817][ T3609] ? reacquire_held_locks+0x660/0x660 [ 62.755243][ T3609] ? noop_count+0x30/0x30 [ 62.759540][ T3609] ? validate_chain+0x112/0x5930 [ 62.764447][ T3609] ? rcu_is_watching+0x11/0xa0 [ 62.769181][ T3609] ? mark_lock+0x98/0x340 [ 62.773584][ T3609] __lock_acquire+0x1295/0x1ff0 [ 62.778408][ T3609] lock_acquire+0x1db/0x4f0 [ 62.782900][ T3609] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 62.788861][ T3609] ? read_lock_is_recursive+0x10/0x10 [ 62.794202][ T3609] ? __might_sleep+0xc0/0xc0 [ 62.798847][ T3609] ? __lock_acquire+0x1295/0x1ff0 [ 62.803850][ T3609] __mutex_lock_common+0x1da/0x25a0 [ 62.809467][ T3609] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 62.815454][ T3609] ? read_lock_is_recursive+0x10/0x10 [ 62.820806][ T3609] ? ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 62.826764][ T3609] ? ocfs2_get_system_file_inode+0x144/0x7b0 [ 62.832719][ T3609] ? mutex_lock_io_nested+0x60/0x60 [ 62.837893][ T3609] ? do_raw_spin_lock+0x14a/0x370 [ 62.842892][ T3609] ? do_raw_spin_unlock+0x137/0x8b0 [ 62.848063][ T3609] mutex_lock_nested+0x17/0x20 [ 62.852799][ T3609] ocfs2_get_system_file_inode+0x1a1/0x7b0 [ 62.858609][ T3609] ? ocfs2_fast_symlink_readpage+0x420/0x420 [ 62.864561][ T3609] ? __kernel_text_address+0x94/0x100 [ 62.869908][ T3609] ? reacquire_held_locks+0x660/0x660 [ 62.875253][ T3609] ? unwind_get_return_address+0x49/0x80 [ 62.880952][ T3609] ? arch_stack_walk+0xf3/0x140 [ 62.885780][ T3609] ocfs2_reserve_local_alloc_bits+0x103/0x27a0 [ 62.891907][ T3609] ? stack_trace_save+0x113/0x1c0 [ 62.896908][ T3609] ? kasan_unpoison+0x42/0x60 [ 62.901687][ T3609] ? mark_lock+0x98/0x340 [ 62.906008][ T3609] ? __lock_acquire+0x1295/0x1ff0 [ 62.911031][ T3609] ? ocfs2_complete_local_alloc_recovery+0x620/0x620 [ 62.917689][ T3609] ? read_lock_is_recursive+0x10/0x10 [ 62.923038][ T3609] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 62.929089][ T3609] ? __lock_acquire+0x1ff0/0x1ff0 [ 62.934098][ T3609] ? do_raw_spin_lock+0x14a/0x370 [ 62.939099][ T3609] ? do_raw_spin_unlock+0x137/0x8b0 [ 62.944279][ T3609] ? _raw_spin_unlock+0x24/0x40 [ 62.949106][ T3609] ? ocfs2_alloc_should_use_local+0x13a/0x2e0 [ 62.955149][ T3609] ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 [ 62.961456][ T3609] ? mark_lock+0x98/0x340 [ 62.965763][ T3609] ? ocfs2_reserve_clusters+0x30/0x30 [ 62.971108][ T3609] ? __lock_acquire+0x1295/0x1ff0 [ 62.976105][ T3609] ? rcu_is_watching+0x11/0xa0 [ 62.980841][ T3609] ? ocfs2_num_free_extents+0x365/0x680 [ 62.986361][ T3609] ? ocfs2_validate_extent_block+0x580/0x580 [ 62.992312][ T3609] ocfs2_lock_allocators+0x306/0x620 [ 62.997571][ T3609] ? _ocfs2_clear_bit+0x40/0x40 [ 63.002408][ T3609] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 63.008275][ T3609] ? rcu_is_watching+0x11/0xa0 [ 63.013053][ T3609] ? ocfs2_write_begin_nolock+0x1147/0x4d20 [ 63.019047][ T3609] ? kfree+0x4a/0x270 [ 63.023002][ T3609] ? ocfs2_write_begin_nolock+0x423/0x4d20 [ 63.028801][ T3609] ocfs2_write_begin_nolock+0x28e5/0x4d20 [ 63.034503][ T3609] ? ocfs2_size_fits_inline_data+0x90/0x90 [ 63.040283][ T3609] ? ocfs2_inode_lock_full_nested+0x177/0x1bf0 [ 63.046409][ T3609] ? ocfs2_read_inode_block+0x148/0x1d0 [ 63.051932][ T3609] ? ocfs2_allocate_extend_trans+0x620/0x620 [ 63.057884][ T3609] ? read_lock_is_recursive+0x10/0x10 [ 63.063225][ T3609] ? rwsem_write_trylock+0x166/0x210 [ 63.068481][ T3609] ? clear_nonspinnable+0x60/0x60 [ 63.073483][ T3609] ocfs2_write_begin+0x1fd/0x390 [ 63.078582][ T3609] ? ocfs2_readahead+0x1a0/0x1a0 [ 63.083503][ T3609] ? __vfs_getxattr+0x3e0/0x410 [ 63.088422][ T3609] ? ktime_get_coarse_real_ts64+0x107/0x120 [ 63.094287][ T3609] generic_perform_write+0x2bf/0x5b0 [ 63.099547][ T3609] ? grab_cache_page_write_begin+0x90/0x90 [ 63.105326][ T3609] ? file_remove_privs+0x610/0x610 [ 63.110411][ T3609] ? do_raw_spin_unlock+0x137/0x8b0 [ 63.115579][ T3609] __generic_file_write_iter+0x243/0x4f0 [ 63.121198][ T3609] ? ocfs2_inode_unlock+0x122/0x150 [ 63.126380][ T3609] ocfs2_file_write_iter+0x17d5/0x1fa0 [ 63.131824][ T3609] ? ocfs2_file_read_iter+0xae0/0xae0 [ 63.137167][ T3609] ? read_lock_is_recursive+0x10/0x10 [ 63.142508][ T3609] ? rcu_read_lock_any_held+0xb3/0x160 [ 63.147940][ T3609] ? rcu_read_lock_bh_held+0x110/0x110 [ 63.153386][ T3609] ? end_current_label_crit_section+0x147/0x170 [ 63.159606][ T3609] ? iov_iter_init+0x4a/0x170 [ 63.164268][ T3609] vfs_write+0xacd/0xe50 [ 63.168503][ T3609] ? file_end_write+0x250/0x250 [ 63.173389][ T3609] ? __context_tracking_enter+0x5f/0x90 [ 63.178929][ T3609] ? __fdget_pos+0x2d2/0x380 [ 63.183513][ T3609] ksys_write+0x1a2/0x2c0 [ 63.187820][ T3609] ? print_irqtrace_events+0x210/0x210 [ 63.193252][ T3609] ? __ia32_sys_read+0x80/0x80 [ 63.198038][ T3609] ? syscall_enter_from_user_mode+0x2e/0x240 [ 63.204016][ T3609] ? lockdep_hardirqs_on+0x94/0x130 [ 63.209190][ T3609] ? syscall_enter_from_user_mode+0x2e/0x240 [ 63.215143][ T3609] do_syscall_64+0x3b/0xb0 [ 63.219533][ T3609] ? clear_bhb_loop+0x15/0x70 [ 63.224199][ T3609] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.230077][ T3609] RIP: 0033:0x7fc14ca54169 [ 63.234481][ T3609] 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 [ 63.254064][ T3609] RSP: 002b:00007ffe48147da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.262456][ T3609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc14ca54169 [ 63.270490][ T3609] RDX: 000000000f642e7e RSI: 0000000020000200 RDI: 0000000000000004 [ 63.278452][ T3609] RBP: 0000000000000004 R08: 00000000000008c0 R09: 00000000000008c0 [ 63.286409][ T3609] R10: 0000000000004430 R11: 0000000000000246 R12: 00007ffe48147df0 [ 63.294382][ T3609] R13: 00007ffe48147e30 R14: 0000000001000000 R15: 0000000000000003 [ 63.302338][ T3609] [ 63.584223][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.758431][ T3612] loop0: detected capacity change from 0 to 32768 [ 63.883402][ T3612] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.155909][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.335920][ T3615] loop0: detected capacity change from 0 to 32768 [ 64.423416][ T3615] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.693819][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.875448][ T3618] loop0: detected capacity change from 0 to 32768 [ 64.983210][ T3618] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.259926][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.435758][ T3621] loop0: detected capacity change from 0 to 32768 [ 65.523436][ T3621] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.796537][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.988680][ T3624] loop0: detected capacity change from 0 to 32768 [ 66.073273][ T3624] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.345098][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.523761][ T3627] loop0: detected capacity change from 0 to 32768 [ 66.613377][ T3627] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.885090][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.053226][ T3630] loop0: detected capacity change from 0 to 32768 [ 67.143250][ T3630] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.415644][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.604503][ T3633] loop0: detected capacity change from 0 to 32768 [ 67.713263][ T3633] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.991018][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.156545][ T3636] loop0: detected capacity change from 0 to 32768 [ 68.246875][ T3636] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.530433][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.705821][ T3639] loop0: detected capacity change from 0 to 32768 [ 68.793845][ T3639] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.069209][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.254977][ T3642] loop0: detected capacity change from 0 to 32768 [ 69.343474][ T3642] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.613444][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.794402][ T3645] loop0: detected capacity change from 0 to 32768 [ 69.883799][ T3645] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 70.159037][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.325559][ T3648] loop0: detected capacity change from 0 to 32768 [ 70.413325][ T3648] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 70.688662][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.855005][ T3651] loop0: detected capacity change from 0 to 32768 [ 70.933191][ T3651] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 71.210195][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.471688][ T3654] loop0: detected capacity change from 0 to 32768 [ 71.553344][ T3654] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 71.829117][ T3561] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.004742][ T3657] loop0: detected capacity change from 0 to 32768 [ 72.103234][ T3657] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.