Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts. executing program [ 41.900880][ T4022] loop0: detected capacity change from 0 to 32768 [ 41.974733][ T4022] ======================================================= [ 41.974733][ T4022] WARNING: The mand mount option has been deprecated and [ 41.974733][ T4022] and is ignored by this kernel. Remove the mand [ 41.974733][ T4022] option from the mount to silence this warning. [ 41.974733][ T4022] ======================================================= [ 41.998884][ T4022] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.038246][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.215517][ T4026] loop0: detected capacity change from 0 to 32768 [ 42.310420][ T4026] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.340729][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.521154][ T4030] loop0: detected capacity change from 0 to 32768 [ 42.617438][ T4030] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.640914][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.813335][ T4033] loop0: detected capacity change from 0 to 32768 [ 42.936378][ T4033] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.960093][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.180620][ T4036] loop0: detected capacity change from 0 to 32768 [ 43.238620][ T4036] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.264087][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.437672][ T4039] loop0: detected capacity change from 0 to 32768 [ 43.449195][ T4039] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.469613][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.701246][ T4042] loop0: detected capacity change from 0 to 32768 [ 43.721790][ T4042] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.743658][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.923802][ T4045] loop0: detected capacity change from 0 to 32768 [ 43.939960][ T4045] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.962597][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.140792][ T4048] loop0: detected capacity change from 0 to 32768 [ 44.159392][ T4048] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.180868][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.354155][ T4051] loop0: detected capacity change from 0 to 32768 [ 44.469847][ T4051] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.489322][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.670096][ T4054] loop0: detected capacity change from 0 to 32768 [ 44.688597][ T4054] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.707750][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.921589][ T4057] loop0: detected capacity change from 0 to 32768 [ 44.988550][ T4057] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.005243][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.188181][ T4060] loop0: detected capacity change from 0 to 32768 [ 45.210754][ T4060] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.232501][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.497071][ T4063] loop0: detected capacity change from 0 to 32768 [ 45.556698][ T4063] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.575360][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.753658][ T4066] loop0: detected capacity change from 0 to 32768 [ 45.768118][ T4066] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.791101][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.971607][ T4069] loop0: detected capacity change from 0 to 32768 [ 45.983850][ T4069] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.015958][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.276526][ T4072] loop0: detected capacity change from 0 to 32768 [ 46.351581][ T4072] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.372645][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.625101][ T4075] loop0: detected capacity change from 0 to 32768 [ 46.726725][ T4075] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.742360][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.921865][ T4078] loop0: detected capacity change from 0 to 32768 [ 46.940403][ T4078] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.962124][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.142335][ T4081] loop0: detected capacity change from 0 to 32768 [ 47.160446][ T4081] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.181064][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.362362][ T4084] loop0: detected capacity change from 0 to 32768 [ 47.380917][ T4084] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.401145][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.582639][ T4087] loop0: detected capacity change from 0 to 32768 [ 47.682866][ T4087] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.709220][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.881234][ T4090] loop0: detected capacity change from 0 to 32768 [ 47.988408][ T4090] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.005886][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.183510][ T4093] loop0: detected capacity change from 0 to 32768 [ 48.198716][ T4093] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.212893][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.392658][ T4096] loop0: detected capacity change from 0 to 32768 [ 48.410758][ T4096] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.432119][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.611692][ T4099] loop0: detected capacity change from 0 to 32768 [ 48.633137][ T4099] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.651916][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.835013][ T4103] loop0: detected capacity change from 0 to 32768 [ 48.850434][ T4103] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.872121][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.043670][ T4106] loop0: detected capacity change from 0 to 32768 [ 49.098226][ T4106] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.117938][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.291622][ T4110] loop0: detected capacity change from 0 to 32768 [ 49.350077][ T4110] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.375164][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.554942][ T4113] loop0: detected capacity change from 0 to 32768 [ 49.571677][ T4113] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.592268][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.763230][ T4117] loop0: detected capacity change from 0 to 32768 [ 49.879082][ T4117] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.899127][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.076729][ T4120] loop0: detected capacity change from 0 to 32768 [ 50.104374][ T4120] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.125068][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.304909][ T4124] loop0: detected capacity change from 0 to 32768 [ 50.330801][ T4124] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.350788][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.523741][ T4127] loop0: detected capacity change from 0 to 32768 [ 50.586835][ T4127] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.607445][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.778464][ T4130] loop0: detected capacity change from 0 to 32768 [ 50.869773][ T4130] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.892339][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.073184][ T4134] loop0: detected capacity change from 0 to 32768 [ 51.099416][ T4134] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.124591][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.360763][ T4138] loop0: detected capacity change from 0 to 32768 [ 51.408512][ T4138] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.424373][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.598366][ T4141] loop0: detected capacity change from 0 to 32768 [ 51.706773][ T4141] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.727322][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.909656][ T4144] loop0: detected capacity change from 0 to 32768 [ 51.961219][ T4144] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.984370][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.205855][ T4147] loop0: detected capacity change from 0 to 32768 [ 52.257484][ T4147] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.284793][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.467126][ T4150] loop0: detected capacity change from 0 to 32768 [ 52.494063][ T4150] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.515785][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.773563][ T4153] loop0: detected capacity change from 0 to 32768 [ 52.827412][ T4153] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.848520][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.025068][ T4156] loop0: detected capacity change from 0 to 32768 [ 53.127843][ T4156] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.148557][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.329071][ T4159] loop0: detected capacity change from 0 to 32768 [ 53.378120][ T4159] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.405581][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.624735][ T4162] loop0: detected capacity change from 0 to 32768 [ 53.639896][ T4162] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.659344][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.837449][ T4165] loop0: detected capacity change from 0 to 32768 [ 53.858625][ T4165] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.879045][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.061086][ T4168] loop0: detected capacity change from 0 to 32768 [ 54.081805][ T4168] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.106020][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.365887][ T4171] loop0: detected capacity change from 0 to 32768 [ 54.427830][ T4171] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.449713][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.624209][ T4174] loop0: detected capacity change from 0 to 32768 [ 54.678390][ T4174] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.685752][ T4174] [ 54.686382][ T4174] ====================================================== [ 54.688279][ T4174] WARNING: possible circular locking dependency detected [ 54.690219][ T4174] 5.15.182-syzkaller #0 Not tainted [ 54.691587][ T4174] ------------------------------------------------------ [ 54.693434][ T4174] syz-executor972/4174 is trying to acquire lock: [ 54.695138][ T4174] ffff0000d776d488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x15c/0x5ec [ 54.698131][ T4174] [ 54.698131][ T4174] but task is already holding lock: [ 54.700107][ T4174] ffff0000def14da0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x190/0x30c [ 54.702916][ T4174] [ 54.702916][ T4174] which lock already depends on the new lock. [ 54.702916][ T4174] [ 54.705745][ T4174] [ 54.705745][ T4174] the existing dependency chain (in reverse order) is: [ 54.708240][ T4174] [ 54.708240][ T4174] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 54.710725][ T4174] down_read+0xc0/0x390 [ 54.712042][ T4174] ocfs2_read_virt_blocks+0x228/0x858 [ 54.713705][ T4174] ocfs2_find_entry+0x314/0x1b84 [ 54.715161][ T4174] ocfs2_find_files_on_disk+0x10c/0x388 [ 54.716790][ T4174] ocfs2_lookup_ino_from_name+0x60/0x114 [ 54.718457][ T4174] ocfs2_get_system_file_inode+0x288/0x5ec [ 54.720166][ T4174] ocfs2_init_global_system_inodes+0x2a8/0x594 [ 54.721943][ T4174] ocfs2_fill_super+0x3128/0x4074 [ 54.723413][ T4174] mount_bdev+0x264/0x358 [ 54.724693][ T4174] ocfs2_mount+0x44/0x58 [ 54.725998][ T4174] legacy_get_tree+0xd4/0x16c [ 54.727423][ T4174] vfs_get_tree+0x90/0x274 [ 54.728737][ T4174] do_new_mount+0x228/0x810 [ 54.730116][ T4174] path_mount+0x5b4/0x1000 [ 54.731478][ T4174] __arm64_sys_mount+0x514/0x5e4 [ 54.733005][ T4174] invoke_syscall+0x98/0x2b8 [ 54.734381][ T4174] el0_svc_common+0x138/0x258 [ 54.735738][ T4174] do_el0_svc+0x58/0x14c [ 54.737044][ T4174] el0_svc+0x78/0x1e0 [ 54.738280][ T4174] el0t_64_sync_handler+0xcc/0xe4 [ 54.739793][ T4174] el0t_64_sync+0x1a0/0x1a4 [ 54.741134][ T4174] [ 54.741134][ T4174] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 54.743428][ T4174] __lock_acquire+0x2928/0x651c [ 54.744890][ T4174] lock_acquire+0x1f4/0x620 [ 54.746232][ T4174] __mutex_lock_common+0x194/0x1edc [ 54.747799][ T4174] mutex_lock_nested+0xac/0x11c [ 54.749274][ T4174] ocfs2_get_system_file_inode+0x15c/0x5ec [ 54.751147][ T4174] ocfs2_reserve_local_alloc_bits+0xe0/0x260c [ 54.752866][ T4174] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 54.754777][ T4174] ocfs2_lock_allocators+0x27c/0x518 [ 54.756300][ T4174] ocfs2_write_begin_nolock+0x1e88/0x3764 [ 54.757893][ T4174] ocfs2_write_begin+0x1b4/0x30c [ 54.759387][ T4174] generic_perform_write+0x204/0x480 [ 54.760952][ T4174] __generic_file_write_iter+0x23c/0x454 [ 54.762578][ T4174] ocfs2_file_write_iter+0x12e0/0x1b84 [ 54.764167][ T4174] do_iter_readv_writev+0x3a0/0x4f8 [ 54.765694][ T4174] do_iter_write+0x1c4/0x670 [ 54.767080][ T4174] do_pwritev+0x1c8/0x2fc [ 54.768377][ T4174] __arm64_sys_pwritev2+0xd4/0x108 [ 54.769865][ T4174] invoke_syscall+0x98/0x2b8 [ 54.771245][ T4174] el0_svc_common+0x138/0x258 [ 54.772631][ T4174] do_el0_svc+0x58/0x14c [ 54.773895][ T4174] el0_svc+0x78/0x1e0 [ 54.775080][ T4174] el0t_64_sync_handler+0xcc/0xe4 [ 54.776562][ T4174] el0t_64_sync+0x1a0/0x1a4 [ 54.777933][ T4174] [ 54.777933][ T4174] other info that might help us debug this: [ 54.777933][ T4174] [ 54.780647][ T4174] Possible unsafe locking scenario: [ 54.780647][ T4174] [ 54.782629][ T4174] CPU0 CPU1 [ 54.784049][ T4174] ---- ---- [ 54.785514][ T4174] lock(&ocfs2_file_ip_alloc_sem_key); [ 54.787024][ T4174] lock(&osb->system_file_mutex); [ 54.789215][ T4174] lock(&ocfs2_file_ip_alloc_sem_key); [ 54.791365][ T4174] lock(&osb->system_file_mutex); [ 54.792722][ T4174] [ 54.792722][ T4174] *** DEADLOCK *** [ 54.792722][ T4174] [ 54.794940][ T4174] 3 locks held by syz-executor972/4174: [ 54.796461][ T4174] #0: ffff0000dacd0460 (sb_writers#8){.+.+}-{0:0}, at: do_pwritev+0x1b4/0x2fc [ 54.798946][ T4174] #1: ffff0000def15108 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x388/0x1b84 [ 54.802080][ T4174] #2: ffff0000def14da0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x190/0x30c [ 54.805050][ T4174] [ 54.805050][ T4174] stack backtrace: [ 54.806700][ T4174] CPU: 0 PID: 4174 Comm: syz-executor972 Not tainted 5.15.182-syzkaller #0 [ 54.809133][ T4174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 54.811732][ T4174] Call trace: [ 54.812629][ T4174] dump_backtrace+0x0/0x43c [ 54.813859][ T4174] show_stack+0x2c/0x3c [ 54.814982][ T4174] __dump_stack+0x30/0x40 [ 54.816203][ T4174] dump_stack_lvl+0xf8/0x160 [ 54.817418][ T4174] dump_stack+0x1c/0x5c [ 54.818500][ T4174] print_circular_bug+0x148/0x1b0 [ 54.819877][ T4174] check_noncircular+0x240/0x2d4 [ 54.821170][ T4174] __lock_acquire+0x2928/0x651c [ 54.822455][ T4174] lock_acquire+0x1f4/0x620 [ 54.823623][ T4174] __mutex_lock_common+0x194/0x1edc [ 54.824994][ T4174] mutex_lock_nested+0xac/0x11c [ 54.826293][ T4174] ocfs2_get_system_file_inode+0x15c/0x5ec [ 54.827818][ T4174] ocfs2_reserve_local_alloc_bits+0xe0/0x260c [ 54.829401][ T4174] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 54.831156][ T4174] ocfs2_lock_allocators+0x27c/0x518 [ 54.832596][ T4174] ocfs2_write_begin_nolock+0x1e88/0x3764 [ 54.834181][ T4174] ocfs2_write_begin+0x1b4/0x30c [ 54.835515][ T4174] generic_perform_write+0x204/0x480 [ 54.836952][ T4174] __generic_file_write_iter+0x23c/0x454 [ 54.838453][ T4174] ocfs2_file_write_iter+0x12e0/0x1b84 [ 54.839898][ T4174] do_iter_readv_writev+0x3a0/0x4f8 [ 54.841277][ T4174] do_iter_write+0x1c4/0x670 [ 54.842523][ T4174] do_pwritev+0x1c8/0x2fc [ 54.843630][ T4174] __arm64_sys_pwritev2+0xd4/0x108 [ 54.845004][ T4174] invoke_syscall+0x98/0x2b8 [ 54.846276][ T4174] el0_svc_common+0x138/0x258 [ 54.847527][ T4174] do_el0_svc+0x58/0x14c [ 54.848680][ T4174] el0_svc+0x78/0x1e0 [ 54.849760][ T4174] el0t_64_sync_handler+0xcc/0xe4 [ 54.851048][ T4174] el0t_64_sync+0x1a0/0x1a4 [ 54.866249][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.067353][ T4177] loop0: detected capacity change from 0 to 32768 [ 55.153731][ T4177] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.170519][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.291776][ T4180] loop0: detected capacity change from 0 to 32768 [ 55.341771][ T4180] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.363551][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.497129][ T4183] loop0: detected capacity change from 0 to 32768 [ 55.516658][ T4183] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.530116][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.657643][ T4186] loop0: detected capacity change from 0 to 32768 [ 55.668943][ T4186] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.694030][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.871702][ T4189] loop0: detected capacity change from 0 to 32768 [ 55.933654][ T4189] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.947875][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.121685][ T4192] loop0: detected capacity change from 0 to 32768 [ 56.183532][ T4192] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.199580][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.326115][ T4195] loop0: detected capacity change from 0 to 32768 [ 56.336250][ T4195] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.353487][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.473025][ T4198] loop0: detected capacity change from 0 to 32768 [ 56.512493][ T4198] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.534113][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.711153][ T4201] loop0: detected capacity change from 0 to 32768 [ 56.783205][ T4201] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.797283][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.923659][ T4204] loop0: detected capacity change from 0 to 32768 [ 56.937088][ T4204] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.949259][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.071551][ T4207] loop0: detected capacity change from 0 to 32768 [ 57.177641][ T4207] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.191764][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.311957][ T4210] loop0: detected capacity change from 0 to 32768 [ 57.319337][ T4210] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.342205][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.464227][ T4213] loop0: detected capacity change from 0 to 32768 [ 57.552212][ T4213] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.565723][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.691550][ T4216] loop0: detected capacity change from 0 to 32768 [ 57.705320][ T4216] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.716956][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.842174][ T4219] loop0: detected capacity change from 0 to 32768 [ 57.855382][ T4219] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.868407][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.992313][ T4222] loop0: detected capacity change from 0 to 32768 [ 58.006015][ T4222] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.018849][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.143258][ T4225] loop0: detected capacity change from 0 to 32768 [ 58.157269][ T4225] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.169314][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.290289][ T4228] loop0: detected capacity change from 0 to 32768 [ 58.338876][ T4228] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.360024][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.480440][ T4231] loop0: detected capacity change from 0 to 32768 [ 58.572639][ T4231] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.591399][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.751449][ T4234] loop0: detected capacity change from 0 to 32768 [ 58.816732][ T4234] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.845702][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.969146][ T4237] loop0: detected capacity change from 0 to 32768 [ 58.990830][ T4237] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.006876][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.127411][ T4240] loop0: detected capacity change from 0 to 32768 [ 59.227918][ T4240] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.250791][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.375039][ T4243] loop0: detected capacity change from 0 to 32768 [ 59.429760][ T4243] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.453951][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.576934][ T4246] loop0: detected capacity change from 0 to 32768 [ 59.600281][ T4246] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.613944][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.833987][ T4249] loop0: detected capacity change from 0 to 32768 [ 59.883917][ T4249] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.895730][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.015932][ T4252] loop0: detected capacity change from 0 to 32768 [ 60.081004][ T4252] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.098291][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.222571][ T4255] loop0: detected capacity change from 0 to 32768 [ 60.243762][ T4255] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.258961][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.380733][ T4258] loop0: detected capacity change from 0 to 32768 [ 60.470406][ T4258] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.483858][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.609528][ T4261] loop0: detected capacity change from 0 to 32768 [ 60.620125][ T4261] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.638254][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.758908][ T4264] loop0: detected capacity change from 0 to 32768 [ 60.854984][ T4264] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.871970][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.994532][ T4267] loop0: detected capacity change from 0 to 32768 [ 61.082957][ T4267] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.093690][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.214738][ T4270] loop0: detected capacity change from 0 to 32768 [ 61.314500][ T4270] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.326555][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.447698][ T4273] loop0: detected capacity change from 0 to 32768 [ 61.532810][ T4273] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.551568][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.678442][ T4276] loop0: detected capacity change from 0 to 32768 [ 61.699252][ T4276] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.712568][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.869528][ T4279] loop0: detected capacity change from 0 to 32768 [ 61.932486][ T4279] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.946440][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.065923][ T4282] loop0: detected capacity change from 0 to 32768 [ 62.126753][ T4282] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.149428][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.284034][ T4285] loop0: detected capacity change from 0 to 32768 [ 62.293828][ T4285] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.311131][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.444760][ T4288] loop0: detected capacity change from 0 to 32768 [ 62.528112][ T4288] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.546194][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.668514][ T4291] loop0: detected capacity change from 0 to 32768 [ 62.769872][ T4291] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.787591][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.949464][ T4294] loop0: detected capacity change from 0 to 32768 [ 62.992358][ T4294] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.010167][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.131098][ T4297] loop0: detected capacity change from 0 to 32768 [ 63.235666][ T4297] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.251936][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.374320][ T4300] loop0: detected capacity change from 0 to 32768 [ 63.472386][ T4300] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.485770][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.606326][ T4303] loop0: detected capacity change from 0 to 32768 [ 63.689737][ T4303] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.708481][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.829930][ T4306] loop0: detected capacity change from 0 to 32768 [ 63.912691][ T4306] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.930196][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.057189][ T4309] loop0: detected capacity change from 0 to 32768 [ 64.071278][ T4309] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.084146][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.210537][ T4312] loop0: detected capacity change from 0 to 32768 [ 64.224431][ T4312] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.244882][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.401159][ T4315] loop0: detected capacity change from 0 to 32768 [ 64.411332][ T4315] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.429843][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.549709][ T4318] loop0: detected capacity change from 0 to 32768 [ 64.642383][ T4318] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.661353][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program