Warning: Permanently added '10.128.0.115' (ED25519) to the list of known hosts. executing program [ 41.919719][ T4022] loop0: detected capacity change from 0 to 32768 [ 42.011467][ T4022] ======================================================= [ 42.011467][ T4022] WARNING: The mand mount option has been deprecated and [ 42.011467][ T4022] and is ignored by this kernel. Remove the mand [ 42.011467][ T4022] option from the mount to silence this warning. [ 42.011467][ T4022] ======================================================= [ 42.033167][ T4022] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.060413][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.298443][ T4027] loop0: detected capacity change from 0 to 32768 [ 42.366355][ T4027] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.387396][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.560744][ T4030] loop0: detected capacity change from 0 to 32768 [ 42.656215][ T4030] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.677028][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.848599][ T4033] loop0: detected capacity change from 0 to 32768 [ 42.965204][ T4033] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 42.985292][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.160044][ T4036] loop0: detected capacity change from 0 to 32768 [ 43.227357][ T4036] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.252948][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.433987][ T4039] loop0: detected capacity change from 0 to 32768 [ 43.451549][ T4039] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.482393][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.654548][ T4042] loop0: detected capacity change from 0 to 32768 [ 43.777124][ T4042] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 43.803372][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.975979][ T4045] loop0: detected capacity change from 0 to 32768 [ 43.991908][ T4045] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.009229][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.193653][ T4048] loop0: detected capacity change from 0 to 32768 [ 44.212379][ T4048] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.233633][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.416598][ T4051] loop0: detected capacity change from 0 to 32768 [ 44.435826][ T4051] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.455915][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.629730][ T4054] loop0: detected capacity change from 0 to 32768 [ 44.728386][ T4054] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.753987][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.935288][ T4057] loop0: detected capacity change from 0 to 32768 [ 44.949863][ T4057] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 44.963433][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.136616][ T4060] loop0: detected capacity change from 0 to 32768 [ 45.180548][ T4060] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.201329][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.377849][ T4063] loop0: detected capacity change from 0 to 32768 [ 45.427364][ T4063] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.450807][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.703558][ T4066] loop0: detected capacity change from 0 to 32768 [ 45.758435][ T4066] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 45.788332][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.973456][ T4069] loop0: detected capacity change from 0 to 32768 [ 46.022928][ T4069] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.045445][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.222677][ T4072] loop0: detected capacity change from 0 to 32768 [ 46.315007][ T4072] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.334378][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.515629][ T4075] loop0: detected capacity change from 0 to 32768 [ 46.578284][ T4075] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.604424][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.780597][ T4078] loop0: detected capacity change from 0 to 32768 [ 46.874597][ T4078] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.894799][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.072555][ T4081] loop0: detected capacity change from 0 to 32768 [ 47.165039][ T4081] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.184583][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.357165][ T4084] loop0: detected capacity change from 0 to 32768 [ 47.456076][ T4084] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.474605][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.651490][ T4087] loop0: detected capacity change from 0 to 32768 [ 47.704133][ T4087] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.733892][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.907350][ T4090] loop0: detected capacity change from 0 to 32768 [ 47.987198][ T4090] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.010255][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.186530][ T4093] loop0: detected capacity change from 0 to 32768 [ 48.246324][ T4093] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.267267][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.496189][ T4096] loop0: detected capacity change from 0 to 32768 [ 48.548039][ T4096] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.571477][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.844015][ T4099] loop0: detected capacity change from 0 to 32768 [ 48.890893][ T4099] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.910024][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.090245][ T4105] loop0: detected capacity change from 0 to 32768 [ 49.204684][ T4105] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.228055][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.478473][ T4109] loop0: detected capacity change from 0 to 32768 [ 49.535919][ T4109] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.555640][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.731790][ T4113] loop0: detected capacity change from 0 to 32768 [ 49.824725][ T4113] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.845194][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.020706][ T4117] loop0: detected capacity change from 0 to 32768 [ 50.124831][ T4117] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.145112][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.321665][ T4120] loop0: detected capacity change from 0 to 32768 [ 50.411570][ T4120] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.433876][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.613289][ T4123] loop0: detected capacity change from 0 to 32768 [ 50.665252][ T4123] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.690383][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.983485][ T4126] loop0: detected capacity change from 0 to 32768 [ 51.031923][ T4126] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.050364][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.231710][ T4129] loop0: detected capacity change from 0 to 32768 [ 51.284887][ T4129] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.306616][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.575778][ T4132] loop0: detected capacity change from 0 to 32768 [ 51.604756][ T4132] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.626785][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.892127][ T4135] loop0: detected capacity change from 0 to 32768 [ 51.946215][ T4135] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.968744][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.214402][ T4138] loop0: detected capacity change from 0 to 32768 [ 52.265619][ T4138] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.289076][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.466718][ T4141] loop0: detected capacity change from 0 to 32768 [ 52.481347][ T4141] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.507233][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.680894][ T4144] loop0: detected capacity change from 0 to 32768 [ 52.773083][ T4144] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.795059][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.975593][ T4147] loop0: detected capacity change from 0 to 32768 [ 53.025610][ T4147] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.044266][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.225255][ T4150] loop0: detected capacity change from 0 to 32768 [ 53.250815][ T4150] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.273397][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.452027][ T4153] loop0: detected capacity change from 0 to 32768 [ 53.479174][ T4153] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.500479][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.674958][ T4156] loop0: detected capacity change from 0 to 32768 [ 53.717366][ T4156] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.737151][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.915532][ T4159] loop0: detected capacity change from 0 to 32768 [ 53.961106][ T4159] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.992880][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.253243][ T4162] loop0: detected capacity change from 0 to 32768 [ 54.305810][ T4162] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.327331][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.566425][ T4165] loop0: detected capacity change from 0 to 32768 [ 54.623819][ T4165] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.653525][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.949981][ T4168] loop0: detected capacity change from 0 to 32768 [ 55.033499][ T4168] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.056542][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.233584][ T4171] loop0: detected capacity change from 0 to 32768 [ 55.283622][ T4171] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.288573][ T4171] [ 55.289214][ T4171] ====================================================== [ 55.291122][ T4171] WARNING: possible circular locking dependency detected [ 55.293048][ T4171] 5.15.182-syzkaller #0 Not tainted [ 55.294400][ T4171] ------------------------------------------------------ [ 55.296293][ T4171] syz-executor309/4171 is trying to acquire lock: [ 55.298040][ T4171] ffff0000c1c75488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x15c/0x5ec [ 55.300959][ T4171] [ 55.300959][ T4171] but task is already holding lock: [ 55.303053][ T4171] ffff0000deb1a2e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x190/0x30c [ 55.305837][ T4171] [ 55.305837][ T4171] which lock already depends on the new lock. [ 55.305837][ T4171] [ 55.308594][ T4171] [ 55.308594][ T4171] the existing dependency chain (in reverse order) is: [ 55.310926][ T4171] [ 55.310926][ T4171] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 55.313238][ T4171] down_read+0xc0/0x390 [ 55.314570][ T4171] ocfs2_read_virt_blocks+0x228/0x858 [ 55.316111][ T4171] ocfs2_find_entry+0x314/0x1b84 [ 55.317522][ T4171] ocfs2_find_files_on_disk+0x10c/0x388 [ 55.319101][ T4171] ocfs2_lookup_ino_from_name+0x60/0x114 [ 55.320813][ T4171] ocfs2_get_system_file_inode+0x288/0x5ec [ 55.322561][ T4171] ocfs2_init_global_system_inodes+0x2a8/0x594 [ 55.324377][ T4171] ocfs2_fill_super+0x3128/0x4074 [ 55.325880][ T4171] mount_bdev+0x264/0x358 [ 55.327225][ T4171] ocfs2_mount+0x44/0x58 [ 55.328531][ T4171] legacy_get_tree+0xd4/0x16c [ 55.329913][ T4171] vfs_get_tree+0x90/0x274 [ 55.331221][ T4171] do_new_mount+0x228/0x810 [ 55.332589][ T4171] path_mount+0x5b4/0x1000 [ 55.333956][ T4171] __arm64_sys_mount+0x514/0x5e4 [ 55.335453][ T4171] invoke_syscall+0x98/0x2b8 [ 55.336802][ T4171] el0_svc_common+0x138/0x258 [ 55.338192][ T4171] do_el0_svc+0x58/0x14c [ 55.339493][ T4171] el0_svc+0x78/0x1e0 [ 55.340686][ T4171] el0t_64_sync_handler+0xcc/0xe4 [ 55.342170][ T4171] el0t_64_sync+0x1a0/0x1a4 [ 55.343501][ T4171] [ 55.343501][ T4171] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 55.345744][ T4171] __lock_acquire+0x2928/0x651c [ 55.347203][ T4171] lock_acquire+0x1f4/0x620 [ 55.348526][ T4171] __mutex_lock_common+0x194/0x1edc [ 55.350053][ T4171] mutex_lock_nested+0xac/0x11c [ 55.351489][ T4171] ocfs2_get_system_file_inode+0x15c/0x5ec [ 55.353180][ T4171] ocfs2_reserve_local_alloc_bits+0xe0/0x260c [ 55.354933][ T4171] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 55.356810][ T4171] ocfs2_lock_allocators+0x27c/0x518 [ 55.358350][ T4171] ocfs2_write_begin_nolock+0x1e88/0x3764 [ 55.359984][ T4171] ocfs2_write_begin+0x1b4/0x30c [ 55.361391][ T4171] generic_perform_write+0x204/0x480 [ 55.362921][ T4171] __generic_file_write_iter+0x23c/0x454 [ 55.364617][ T4171] ocfs2_file_write_iter+0x12e0/0x1b84 [ 55.366191][ T4171] do_iter_readv_writev+0x3a0/0x4f8 [ 55.367793][ T4171] do_iter_write+0x1c4/0x670 [ 55.369206][ T4171] do_pwritev+0x1c8/0x2fc [ 55.370556][ T4171] __arm64_sys_pwritev2+0xd4/0x108 [ 55.372047][ T4171] invoke_syscall+0x98/0x2b8 [ 55.373427][ T4171] el0_svc_common+0x138/0x258 [ 55.374838][ T4171] do_el0_svc+0x58/0x14c [ 55.376133][ T4171] el0_svc+0x78/0x1e0 [ 55.377328][ T4171] el0t_64_sync_handler+0xcc/0xe4 [ 55.378850][ T4171] el0t_64_sync+0x1a0/0x1a4 [ 55.380188][ T4171] [ 55.380188][ T4171] other info that might help us debug this: [ 55.380188][ T4171] [ 55.382982][ T4171] Possible unsafe locking scenario: [ 55.382982][ T4171] [ 55.384942][ T4171] CPU0 CPU1 [ 55.386373][ T4171] ---- ---- [ 55.387836][ T4171] lock(&ocfs2_file_ip_alloc_sem_key); [ 55.389302][ T4171] lock(&osb->system_file_mutex); [ 55.391346][ T4171] lock(&ocfs2_file_ip_alloc_sem_key); [ 55.393529][ T4171] lock(&osb->system_file_mutex); [ 55.394880][ T4171] [ 55.394880][ T4171] *** DEADLOCK *** [ 55.394880][ T4171] [ 55.397093][ T4171] 3 locks held by syz-executor309/4171: [ 55.398580][ T4171] #0: ffff0000daa28460 (sb_writers#8){.+.+}-{0:0}, at: do_pwritev+0x1b4/0x2fc [ 55.401073][ T4171] #1: ffff0000deb1a648 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x388/0x1b84 [ 55.404149][ T4171] #2: ffff0000deb1a2e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x190/0x30c [ 55.407146][ T4171] [ 55.407146][ T4171] stack backtrace: [ 55.408713][ T4171] CPU: 1 PID: 4171 Comm: syz-executor309 Not tainted 5.15.182-syzkaller #0 [ 55.411042][ T4171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 55.413739][ T4171] Call trace: [ 55.414629][ T4171] dump_backtrace+0x0/0x43c [ 55.415825][ T4171] show_stack+0x2c/0x3c [ 55.416938][ T4171] __dump_stack+0x30/0x40 [ 55.418068][ T4171] dump_stack_lvl+0xf8/0x160 [ 55.419332][ T4171] dump_stack+0x1c/0x5c [ 55.420466][ T4171] print_circular_bug+0x148/0x1b0 [ 55.421805][ T4171] check_noncircular+0x240/0x2d4 [ 55.423129][ T4171] __lock_acquire+0x2928/0x651c [ 55.424444][ T4171] lock_acquire+0x1f4/0x620 [ 55.425675][ T4171] __mutex_lock_common+0x194/0x1edc [ 55.427093][ T4171] mutex_lock_nested+0xac/0x11c [ 55.428354][ T4171] ocfs2_get_system_file_inode+0x15c/0x5ec [ 55.429947][ T4171] ocfs2_reserve_local_alloc_bits+0xe0/0x260c [ 55.431611][ T4171] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 55.433295][ T4171] ocfs2_lock_allocators+0x27c/0x518 [ 55.434717][ T4171] ocfs2_write_begin_nolock+0x1e88/0x3764 [ 55.436211][ T4171] ocfs2_write_begin+0x1b4/0x30c [ 55.437526][ T4171] generic_perform_write+0x204/0x480 [ 55.438966][ T4171] __generic_file_write_iter+0x23c/0x454 [ 55.440552][ T4171] ocfs2_file_write_iter+0x12e0/0x1b84 [ 55.441986][ T4171] do_iter_readv_writev+0x3a0/0x4f8 [ 55.443364][ T4171] do_iter_write+0x1c4/0x670 [ 55.444606][ T4171] do_pwritev+0x1c8/0x2fc [ 55.445727][ T4171] __arm64_sys_pwritev2+0xd4/0x108 [ 55.447066][ T4171] invoke_syscall+0x98/0x2b8 [ 55.448307][ T4171] el0_svc_common+0x138/0x258 [ 55.449560][ T4171] do_el0_svc+0x58/0x14c [ 55.450697][ T4171] el0_svc+0x78/0x1e0 [ 55.451792][ T4171] el0t_64_sync_handler+0xcc/0xe4 [ 55.453170][ T4171] el0t_64_sync+0x1a0/0x1a4 [ 55.468801][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.662859][ T4174] loop0: detected capacity change from 0 to 32768 [ 55.719785][ T4174] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.737050][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.861596][ T4177] loop0: detected capacity change from 0 to 32768 [ 55.880559][ T4177] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.895939][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.048311][ T4180] loop0: detected capacity change from 0 to 32768 [ 56.062737][ T4180] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.086252][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.212732][ T4183] loop0: detected capacity change from 0 to 32768 [ 56.230740][ T4183] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.249133][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.374616][ T4186] loop0: detected capacity change from 0 to 32768 [ 56.390612][ T4186] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.410868][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.613128][ T4189] loop0: detected capacity change from 0 to 32768 [ 56.679452][ T4189] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.696453][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.817457][ T4192] loop0: detected capacity change from 0 to 32768 [ 56.904185][ T4192] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.918398][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.038824][ T4195] loop0: detected capacity change from 0 to 32768 [ 57.140351][ T4195] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.161726][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.285717][ T4198] loop0: detected capacity change from 0 to 32768 [ 57.309522][ T4198] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.322656][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.449385][ T4201] loop0: detected capacity change from 0 to 32768 [ 57.462931][ T4201] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.483759][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.648439][ T4204] loop0: detected capacity change from 0 to 32768 [ 57.661790][ T4204] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.674797][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.800822][ T4207] loop0: detected capacity change from 0 to 32768 [ 57.811899][ T4207] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.835640][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.960266][ T4210] loop0: detected capacity change from 0 to 32768 [ 57.974629][ T4210] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.985740][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.105572][ T4213] loop0: detected capacity change from 0 to 32768 [ 58.120598][ T4213] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.135920][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.258111][ T4216] loop0: detected capacity change from 0 to 32768 [ 58.353678][ T4216] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.367644][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.491693][ T4219] loop0: detected capacity change from 0 to 32768 [ 58.502647][ T4219] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.520630][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.641436][ T4222] loop0: detected capacity change from 0 to 32768 [ 58.744321][ T4222] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.772230][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.894715][ T4225] loop0: detected capacity change from 0 to 32768 [ 58.917086][ T4225] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.936472][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.062300][ T4228] loop0: detected capacity change from 0 to 32768 [ 59.080660][ T4228] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.097374][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.218494][ T4231] loop0: detected capacity change from 0 to 32768 [ 59.320572][ T4231] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.342962][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.467324][ T4234] loop0: detected capacity change from 0 to 32768 [ 59.481040][ T4234] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.493716][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.620432][ T4237] loop0: detected capacity change from 0 to 32768 [ 59.635100][ T4237] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.654053][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.781393][ T4240] loop0: detected capacity change from 0 to 32768 [ 59.791760][ T4240] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.806711][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.932708][ T4243] loop0: detected capacity change from 0 to 32768 [ 59.945657][ T4243] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.956669][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.083129][ T4246] loop0: detected capacity change from 0 to 32768 [ 60.096512][ T4246] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.116982][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.296625][ T4249] loop0: detected capacity change from 0 to 32768 [ 60.329514][ T4249] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.341648][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.462911][ T4252] loop0: detected capacity change from 0 to 32768 [ 60.523619][ T4252] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.536566][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.658528][ T4255] loop0: detected capacity change from 0 to 32768 [ 60.733785][ T4255] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.757455][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.879524][ T4258] loop0: detected capacity change from 0 to 32768 [ 60.950680][ T4258] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.968742][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.145449][ T4261] loop0: detected capacity change from 0 to 32768 [ 61.163134][ T4261] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.185963][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.309872][ T4264] loop0: detected capacity change from 0 to 32768 [ 61.324197][ T4264] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.335137][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.461104][ T4267] loop0: detected capacity change from 0 to 32768 [ 61.474852][ T4267] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.486510][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.612907][ T4270] loop0: detected capacity change from 0 to 32768 [ 61.620324][ T4270] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.638567][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.760167][ T4273] loop0: detected capacity change from 0 to 32768 [ 61.861908][ T4273] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.881648][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.002952][ T4276] loop0: detected capacity change from 0 to 32768 [ 62.138951][ T4276] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.155945][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.328360][ T4279] loop0: detected capacity change from 0 to 32768 [ 62.391161][ T4279] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.414508][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.538158][ T4282] loop0: detected capacity change from 0 to 32768 [ 62.560682][ T4282] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.579018][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.705507][ T4285] loop0: detected capacity change from 0 to 32768 [ 62.724371][ T4285] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.739480][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.858883][ T4288] loop0: detected capacity change from 0 to 32768 [ 62.961843][ T4288] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.980909][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.172838][ T4291] loop0: detected capacity change from 0 to 32768 [ 63.239230][ T4291] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.256153][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.376172][ T4294] loop0: detected capacity change from 0 to 32768 [ 63.479221][ T4294] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.497863][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.618002][ T4297] loop0: detected capacity change from 0 to 32768 [ 63.724848][ T4297] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.741653][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.862670][ T4300] loop0: detected capacity change from 0 to 32768 [ 63.963378][ T4300] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.973864][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.094167][ T4303] loop0: detected capacity change from 0 to 32768 [ 64.111003][ T4303] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.124222][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.245699][ T4306] loop0: detected capacity change from 0 to 32768 [ 64.339290][ T4306] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.356130][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.549771][ T4309] loop0: detected capacity change from 0 to 32768 [ 64.564492][ T4309] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.583462][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.710293][ T4312] loop0: detected capacity change from 0 to 32768 [ 64.734059][ T4312] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.745948][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.872286][ T4315] loop0: detected capacity change from 0 to 32768 [ 64.890512][ T4315] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.908844][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.036655][ T4318] loop0: detected capacity change from 0 to 32768 [ 65.047318][ T4318] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.060543][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.180244][ T4321] loop0: detected capacity change from 0 to 32768 [ 65.265071][ T4321] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.282007][ T4021] ocfs2: Unmounting device (7,0) on (node local) executing program