Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. executing program [ 42.814385][ T4024] loop0: detected capacity change from 0 to 32768 [ 42.873303][ T4024] ======================================================= [ 42.873303][ T4024] WARNING: The mand mount option has been deprecated and [ 42.873303][ T4024] and is ignored by this kernel. Remove the mand [ 42.873303][ T4024] option from the mount to silence this warning. [ 42.873303][ T4024] ======================================================= [ 42.897928][ T4024] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.935414][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.112581][ T4028] loop0: detected capacity change from 0 to 32768 [ 43.208397][ T4028] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.238594][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.413481][ T4031] loop0: detected capacity change from 0 to 32768 [ 43.525153][ T4031] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.547460][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.723724][ T4034] loop0: detected capacity change from 0 to 32768 [ 43.785246][ T4034] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.815949][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.031347][ T4037] loop0: detected capacity change from 0 to 32768 [ 44.045298][ T4037] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.069093][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.249048][ T4040] loop0: detected capacity change from 0 to 32768 [ 44.267580][ T4040] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.286655][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.467003][ T4043] loop0: detected capacity change from 0 to 32768 [ 44.484126][ T4043] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.505383][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.677452][ T4046] loop0: detected capacity change from 0 to 32768 [ 44.748576][ T4046] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.772090][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.946513][ T4049] loop0: detected capacity change from 0 to 32768 [ 45.045961][ T4049] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.069427][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.245854][ T4052] loop0: detected capacity change from 0 to 32768 [ 45.325172][ T4052] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.346836][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.530457][ T4055] loop0: detected capacity change from 0 to 32768 [ 45.606319][ T4055] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.627042][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.865006][ T4058] loop0: detected capacity change from 0 to 32768 [ 45.924886][ T4058] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.949227][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.128804][ T4061] loop0: detected capacity change from 0 to 32768 [ 46.175437][ T4061] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.194192][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.375693][ T4064] loop0: detected capacity change from 0 to 32768 [ 46.399435][ T4064] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.424681][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.733131][ T4067] loop0: detected capacity change from 0 to 32768 [ 46.753751][ T4067] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.779537][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.951052][ T4070] loop0: detected capacity change from 0 to 32768 [ 46.969019][ T4070] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.993273][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.172599][ T4073] loop0: detected capacity change from 0 to 32768 [ 47.248676][ T4073] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.269290][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.493055][ T4076] loop0: detected capacity change from 0 to 32768 [ 47.547914][ T4076] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.571137][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.807132][ T4079] loop0: detected capacity change from 0 to 32768 [ 47.879272][ T4079] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.903703][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.127046][ T4082] loop0: detected capacity change from 0 to 32768 [ 48.195929][ T4082] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.215695][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.456473][ T4086] loop0: detected capacity change from 0 to 32768 [ 48.519695][ T4086] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.540956][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.722365][ T4089] loop0: detected capacity change from 0 to 32768 [ 48.785891][ T4089] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.809350][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.984206][ T4093] loop0: detected capacity change from 0 to 32768 [ 49.075381][ T4093] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.107331][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.334573][ T4096] loop0: detected capacity change from 0 to 32768 [ 49.387045][ T4096] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.409827][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.639319][ T4099] loop0: detected capacity change from 0 to 32768 [ 49.660744][ T4099] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.686825][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.868730][ T4104] loop0: detected capacity change from 0 to 32768 [ 49.883442][ T4104] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.909050][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.091965][ T4107] loop0: detected capacity change from 0 to 32768 [ 50.158180][ T4107] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.177458][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.360841][ T4110] loop0: detected capacity change from 0 to 32768 [ 50.429204][ T4110] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.456286][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.629382][ T4114] loop0: detected capacity change from 0 to 32768 [ 50.717614][ T4114] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.734744][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.911302][ T4118] loop0: detected capacity change from 0 to 32768 [ 50.972232][ T4118] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.993321][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.170648][ T4121] loop0: detected capacity change from 0 to 32768 [ 51.307156][ T4121] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.320323][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.495291][ T4124] loop0: detected capacity change from 0 to 32768 [ 51.575872][ T4124] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.602272][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.807192][ T4127] loop0: detected capacity change from 0 to 32768 [ 51.857839][ T4127] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.882428][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.107428][ T4130] loop0: detected capacity change from 0 to 32768 [ 52.166540][ T4130] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.185515][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.364136][ T4133] loop0: detected capacity change from 0 to 32768 [ 52.415155][ T4133] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.435240][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.611974][ T4136] loop0: detected capacity change from 0 to 32768 [ 52.714973][ T4136] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.736459][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.920741][ T4139] loop0: detected capacity change from 0 to 32768 [ 52.986771][ T4139] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.025991][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.205279][ T4142] loop0: detected capacity change from 0 to 32768 [ 53.221476][ T4142] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.243352][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.418753][ T4145] loop0: detected capacity change from 0 to 32768 [ 53.452438][ T4145] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.471001][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.652971][ T4148] loop0: detected capacity change from 0 to 32768 [ 53.671743][ T4148] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.689630][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.870885][ T4151] loop0: detected capacity change from 0 to 32768 [ 53.977422][ T4151] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.998056][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.170227][ T4154] loop0: detected capacity change from 0 to 32768 [ 54.263704][ T4154] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.286424][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.468694][ T4157] loop0: detected capacity change from 0 to 32768 [ 54.487804][ T4157] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.508641][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.685477][ T4160] loop0: detected capacity change from 0 to 32768 [ 54.705755][ T4160] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.723604][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.903523][ T4163] loop0: detected capacity change from 0 to 32768 [ 54.922865][ T4163] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.943912][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.122114][ T4166] loop0: detected capacity change from 0 to 32768 [ 55.193726][ T4166] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.207085][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.387948][ T4169] loop0: detected capacity change from 0 to 32768 [ 55.405637][ T4169] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.426482][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.607177][ T4172] loop0: detected capacity change from 0 to 32768 [ 55.625193][ T4172] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.642823][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.822053][ T4175] loop0: detected capacity change from 0 to 32768 [ 55.839713][ T4175] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.858607][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.035796][ T4178] loop0: detected capacity change from 0 to 32768 [ 56.053654][ T4178] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.057939][ T4178] [ 56.058638][ T4178] ====================================================== [ 56.060575][ T4178] WARNING: possible circular locking dependency detected [ 56.062455][ T4178] 5.15.182-syzkaller #0 Not tainted [ 56.063875][ T4178] ------------------------------------------------------ [ 56.065823][ T4178] syz-executor896/4178 is trying to acquire lock: [ 56.067585][ T4178] ffff0000c5fb9488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x15c/0x5ec [ 56.070512][ T4178] [ 56.070512][ T4178] but task is already holding lock: [ 56.072441][ T4178] ffff0000df7622e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x190/0x30c [ 56.075238][ T4178] [ 56.075238][ T4178] which lock already depends on the new lock. [ 56.075238][ T4178] [ 56.078108][ T4178] [ 56.078108][ T4178] the existing dependency chain (in reverse order) is: [ 56.080529][ T4178] [ 56.080529][ T4178] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 56.082857][ T4178] down_read+0xc0/0x390 [ 56.084139][ T4178] ocfs2_read_virt_blocks+0x228/0x858 [ 56.085688][ T4178] ocfs2_find_entry+0x314/0x1b84 [ 56.087132][ T4178] ocfs2_find_files_on_disk+0x10c/0x388 [ 56.088844][ T4178] ocfs2_lookup_ino_from_name+0x60/0x114 [ 56.090504][ T4178] ocfs2_get_system_file_inode+0x288/0x5ec [ 56.092163][ T4178] ocfs2_init_global_system_inodes+0x2a8/0x594 [ 56.093923][ T4178] ocfs2_fill_super+0x3128/0x4074 [ 56.095497][ T4178] mount_bdev+0x264/0x358 [ 56.096807][ T4178] ocfs2_mount+0x44/0x58 [ 56.098086][ T4178] legacy_get_tree+0xd4/0x16c [ 56.099483][ T4178] vfs_get_tree+0x90/0x274 [ 56.100896][ T4178] do_new_mount+0x228/0x810 [ 56.102214][ T4178] path_mount+0x5b4/0x1000 [ 56.103540][ T4178] __arm64_sys_mount+0x514/0x5e4 [ 56.105006][ T4178] invoke_syscall+0x98/0x2b8 [ 56.106288][ T4178] el0_svc_common+0x138/0x258 [ 56.107671][ T4178] do_el0_svc+0x58/0x14c [ 56.108949][ T4178] el0_svc+0x78/0x1e0 [ 56.110211][ T4178] el0t_64_sync_handler+0xcc/0xe4 [ 56.111678][ T4178] el0t_64_sync+0x1a0/0x1a4 [ 56.113056][ T4178] [ 56.113056][ T4178] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 56.115262][ T4178] __lock_acquire+0x2928/0x651c [ 56.116757][ T4178] lock_acquire+0x1f4/0x620 [ 56.118076][ T4178] __mutex_lock_common+0x194/0x1edc [ 56.119578][ T4178] mutex_lock_nested+0xac/0x11c [ 56.121029][ T4178] ocfs2_get_system_file_inode+0x15c/0x5ec [ 56.122717][ T4178] ocfs2_reserve_local_alloc_bits+0xe0/0x260c [ 56.124470][ T4178] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 56.126285][ T4178] ocfs2_lock_allocators+0x27c/0x518 [ 56.127770][ T4178] ocfs2_write_begin_nolock+0x1e88/0x3764 [ 56.129377][ T4178] ocfs2_write_begin+0x1b4/0x30c [ 56.130791][ T4178] generic_perform_write+0x204/0x480 [ 56.132312][ T4178] __generic_file_write_iter+0x23c/0x454 [ 56.133913][ T4178] ocfs2_file_write_iter+0x12e0/0x1b84 [ 56.135506][ T4178] do_iter_readv_writev+0x3a0/0x4f8 [ 56.137085][ T4178] do_iter_write+0x1c4/0x670 [ 56.138448][ T4178] do_pwritev+0x1c8/0x2fc [ 56.139753][ T4178] __arm64_sys_pwritev2+0xd4/0x108 [ 56.141226][ T4178] invoke_syscall+0x98/0x2b8 [ 56.142510][ T4178] el0_svc_common+0x138/0x258 [ 56.143851][ T4178] do_el0_svc+0x58/0x14c [ 56.145115][ T4178] el0_svc+0x78/0x1e0 [ 56.146305][ T4178] el0t_64_sync_handler+0xcc/0xe4 [ 56.147757][ T4178] el0t_64_sync+0x1a0/0x1a4 [ 56.149116][ T4178] [ 56.149116][ T4178] other info that might help us debug this: [ 56.149116][ T4178] [ 56.151800][ T4178] Possible unsafe locking scenario: [ 56.151800][ T4178] [ 56.153729][ T4178] CPU0 CPU1 [ 56.155097][ T4178] ---- ---- [ 56.156461][ T4178] lock(&ocfs2_file_ip_alloc_sem_key); [ 56.158063][ T4178] lock(&osb->system_file_mutex); [ 56.160051][ T4178] lock(&ocfs2_file_ip_alloc_sem_key); [ 56.162200][ T4178] lock(&osb->system_file_mutex); [ 56.163522][ T4178] [ 56.163522][ T4178] *** DEADLOCK *** [ 56.163522][ T4178] [ 56.165654][ T4178] 3 locks held by syz-executor896/4178: [ 56.167103][ T4178] #0: ffff0000d857c460 (sb_writers#8){.+.+}-{0:0}, at: do_pwritev+0x1b4/0x2fc [ 56.169508][ T4178] #1: ffff0000df762648 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x388/0x1b84 [ 56.172534][ T4178] #2: ffff0000df7622e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x190/0x30c [ 56.175460][ T4178] [ 56.175460][ T4178] stack backtrace: [ 56.177032][ T4178] CPU: 1 PID: 4178 Comm: syz-executor896 Not tainted 5.15.182-syzkaller #0 [ 56.179284][ T4178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 56.181982][ T4178] Call trace: [ 56.182825][ T4178] dump_backtrace+0x0/0x43c [ 56.184012][ T4178] show_stack+0x2c/0x3c [ 56.185064][ T4178] __dump_stack+0x30/0x40 [ 56.186239][ T4178] dump_stack_lvl+0xf8/0x160 [ 56.187462][ T4178] dump_stack+0x1c/0x5c [ 56.188654][ T4178] print_circular_bug+0x148/0x1b0 [ 56.189985][ T4178] check_noncircular+0x240/0x2d4 [ 56.191246][ T4178] __lock_acquire+0x2928/0x651c [ 56.192523][ T4178] lock_acquire+0x1f4/0x620 [ 56.193751][ T4178] __mutex_lock_common+0x194/0x1edc [ 56.195151][ T4178] mutex_lock_nested+0xac/0x11c [ 56.196455][ T4178] ocfs2_get_system_file_inode+0x15c/0x5ec [ 56.197959][ T4178] ocfs2_reserve_local_alloc_bits+0xe0/0x260c [ 56.199515][ T4178] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 56.201162][ T4178] ocfs2_lock_allocators+0x27c/0x518 [ 56.202518][ T4178] ocfs2_write_begin_nolock+0x1e88/0x3764 [ 56.204044][ T4178] ocfs2_write_begin+0x1b4/0x30c [ 56.205419][ T4178] generic_perform_write+0x204/0x480 [ 56.206830][ T4178] __generic_file_write_iter+0x23c/0x454 [ 56.208308][ T4178] ocfs2_file_write_iter+0x12e0/0x1b84 [ 56.209769][ T4178] do_iter_readv_writev+0x3a0/0x4f8 [ 56.211086][ T4178] do_iter_write+0x1c4/0x670 [ 56.212279][ T4178] do_pwritev+0x1c8/0x2fc [ 56.213461][ T4178] __arm64_sys_pwritev2+0xd4/0x108 [ 56.214857][ T4178] invoke_syscall+0x98/0x2b8 [ 56.216098][ T4178] el0_svc_common+0x138/0x258 [ 56.217302][ T4178] do_el0_svc+0x58/0x14c [ 56.218457][ T4178] el0_svc+0x78/0x1e0 [ 56.219506][ T4178] el0t_64_sync_handler+0xcc/0xe4 [ 56.220814][ T4178] el0t_64_sync+0x1a0/0x1a4 [ 56.235167][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.435583][ T4181] loop0: detected capacity change from 0 to 32768 [ 56.502298][ T4181] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.515959][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.644857][ T4184] loop0: detected capacity change from 0 to 32768 [ 56.749399][ T4184] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.768063][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.940369][ T4187] loop0: detected capacity change from 0 to 32768 [ 57.010833][ T4187] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.025194][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.229683][ T4190] loop0: detected capacity change from 0 to 32768 [ 57.270696][ T4190] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.283410][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.407257][ T4193] loop0: detected capacity change from 0 to 32768 [ 57.419993][ T4193] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.433517][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.558908][ T4196] loop0: detected capacity change from 0 to 32768 [ 57.573156][ T4196] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.586248][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.711266][ T4199] loop0: detected capacity change from 0 to 32768 [ 57.721480][ T4199] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.738680][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.861162][ T4202] loop0: detected capacity change from 0 to 32768 [ 57.912082][ T4202] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.934610][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.058913][ T4205] loop0: detected capacity change from 0 to 32768 [ 58.069358][ T4205] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.088323][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.290941][ T4208] loop0: detected capacity change from 0 to 32768 [ 58.373168][ T4208] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.394326][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.515196][ T4211] loop0: detected capacity change from 0 to 32768 [ 58.621413][ T4211] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.635769][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.831153][ T4214] loop0: detected capacity change from 0 to 32768 [ 58.845120][ T4214] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.864771][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.027571][ T4217] loop0: detected capacity change from 0 to 32768 [ 59.071149][ T4217] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.085671][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.301944][ T4220] loop0: detected capacity change from 0 to 32768 [ 59.360425][ T4220] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.374559][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.499408][ T4223] loop0: detected capacity change from 0 to 32768 [ 59.519569][ T4223] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.535342][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.742589][ T4226] loop0: detected capacity change from 0 to 32768 [ 59.831347][ T4226] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.844562][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.968425][ T4229] loop0: detected capacity change from 0 to 32768 [ 59.981918][ T4229] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.995535][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.115648][ T4232] loop0: detected capacity change from 0 to 32768 [ 60.211022][ T4232] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.231055][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.365158][ T4235] loop0: detected capacity change from 0 to 32768 [ 60.390277][ T4235] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.402311][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.522675][ T4238] loop0: detected capacity change from 0 to 32768 [ 60.625721][ T4238] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.642963][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.764179][ T4241] loop0: detected capacity change from 0 to 32768 [ 60.872083][ T4241] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.886293][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.010708][ T4244] loop0: detected capacity change from 0 to 32768 [ 61.029237][ T4244] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.048326][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.173037][ T4247] loop0: detected capacity change from 0 to 32768 [ 61.192272][ T4247] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.209426][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.329930][ T4250] loop0: detected capacity change from 0 to 32768 [ 61.376844][ T4250] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.391413][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.515384][ T4253] loop0: detected capacity change from 0 to 32768 [ 61.603245][ T4253] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.624355][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.756480][ T4256] loop0: detected capacity change from 0 to 32768 [ 61.767166][ T4256] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.781311][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.901038][ T4259] loop0: detected capacity change from 0 to 32768 [ 61.993244][ T4259] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.014743][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.134083][ T4262] loop0: detected capacity change from 0 to 32768 [ 62.229276][ T4262] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.246340][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.372583][ T4265] loop0: detected capacity change from 0 to 32768 [ 62.383074][ T4265] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.400886][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.522616][ T4268] loop0: detected capacity change from 0 to 32768 [ 62.634562][ T4268] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.652737][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.819252][ T4271] loop0: detected capacity change from 0 to 32768 [ 62.860862][ T4271] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.874500][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.997887][ T4274] loop0: detected capacity change from 0 to 32768 [ 63.011251][ T4274] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.024197][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.148068][ T4277] loop0: detected capacity change from 0 to 32768 [ 63.161877][ T4277] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.174893][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.294794][ T4280] loop0: detected capacity change from 0 to 32768 [ 63.307010][ T4280] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.325398][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.447825][ T4283] loop0: detected capacity change from 0 to 32768 [ 63.541166][ T4283] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.562104][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.681378][ T4286] loop0: detected capacity change from 0 to 32768 [ 63.781092][ T4286] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.794842][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.918354][ T4289] loop0: detected capacity change from 0 to 32768 [ 63.939318][ T4289] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.954949][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.109754][ T4292] loop0: detected capacity change from 0 to 32768 [ 64.191255][ T4292] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.208399][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.379988][ T4295] loop0: detected capacity change from 0 to 32768 [ 64.443076][ T4295] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.466642][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.590608][ T4298] loop0: detected capacity change from 0 to 32768 [ 64.600480][ T4298] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.618501][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.739249][ T4301] loop0: detected capacity change from 0 to 32768 [ 64.781901][ T4301] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.799339][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.920527][ T4304] loop0: detected capacity change from 0 to 32768 [ 64.971989][ T4304] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.992410][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.117848][ T4307] loop0: detected capacity change from 0 to 32768 [ 65.134873][ T4307] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.155455][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.280182][ T4310] loop0: detected capacity change from 0 to 32768 [ 65.299785][ T4310] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.316513][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.500504][ T4313] loop0: detected capacity change from 0 to 32768 [ 65.561208][ T4313] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.578279][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.699473][ T4316] loop0: detected capacity change from 0 to 32768 [ 65.742952][ T4316] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.762294][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.919361][ T4319] loop0: detected capacity change from 0 to 32768 [ 65.981259][ T4319] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.995224][ T4023] ocfs2: Unmounting device (7,0) on (node local) executing program