Warning: Permanently added '10.128.1.202' (ED25519) to the list of known hosts. executing program [ 46.407549][ T4023] loop0: detected capacity change from 0 to 32768 [ 46.441308][ T4023] ======================================================= [ 46.441308][ T4023] WARNING: The mand mount option has been deprecated and [ 46.441308][ T4023] and is ignored by this kernel. Remove the mand [ 46.441308][ T4023] option from the mount to silence this warning. [ 46.441308][ T4023] ======================================================= [ 46.504192][ T4023] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.557749][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.835689][ T4027] loop0: detected capacity change from 0 to 32768 [ 46.916720][ T4027] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 46.953141][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.241600][ T4030] loop0: detected capacity change from 0 to 32768 [ 47.326622][ T4030] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.372921][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.642126][ T4033] loop0: detected capacity change from 0 to 32768 [ 47.747083][ T4033] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 47.786420][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.039237][ T4036] loop0: detected capacity change from 0 to 32768 [ 48.146563][ T4036] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.184207][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.469124][ T4039] loop0: detected capacity change from 0 to 32768 [ 48.576751][ T4039] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 48.612133][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.876677][ T4042] loop0: detected capacity change from 0 to 32768 [ 48.966757][ T4042] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.001642][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.270234][ T4045] loop0: detected capacity change from 0 to 32768 [ 49.386421][ T4045] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.433104][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.704301][ T4048] loop0: detected capacity change from 0 to 32768 [ 49.786832][ T4048] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 49.822164][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.084904][ T4051] loop0: detected capacity change from 0 to 32768 [ 50.196293][ T4051] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.232242][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.524572][ T4054] loop0: detected capacity change from 0 to 32768 [ 50.607617][ T4054] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 50.642179][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.910663][ T4057] loop0: detected capacity change from 0 to 32768 [ 50.997939][ T4057] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.053744][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.397152][ T4060] loop0: detected capacity change from 0 to 32768 [ 51.477238][ T4060] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.518378][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.804097][ T4063] loop0: detected capacity change from 0 to 32768 [ 51.876343][ T4063] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 51.924540][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.200226][ T4066] loop0: detected capacity change from 0 to 32768 [ 52.286394][ T4066] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.322472][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.601370][ T4069] loop0: detected capacity change from 0 to 32768 [ 52.686859][ T4069] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 52.721867][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.998185][ T4072] loop0: detected capacity change from 0 to 32768 [ 53.147608][ T4072] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.182067][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.482757][ T4075] loop0: detected capacity change from 0 to 32768 [ 53.576434][ T4075] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 53.614444][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.889711][ T4078] loop0: detected capacity change from 0 to 32768 [ 54.016130][ T4078] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.052061][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.336588][ T4081] loop0: detected capacity change from 0 to 32768 [ 54.417542][ T4081] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.461904][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.739158][ T4084] loop0: detected capacity change from 0 to 32768 [ 54.847739][ T4084] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 54.882803][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.164296][ T4087] loop0: detected capacity change from 0 to 32768 [ 55.246754][ T4087] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.281364][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.581255][ T4090] loop0: detected capacity change from 0 to 32768 [ 55.697111][ T4090] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 55.733004][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.001737][ T4093] loop0: detected capacity change from 0 to 32768 [ 56.086131][ T4093] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.122792][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.418697][ T4096] loop0: detected capacity change from 0 to 32768 [ 56.516940][ T4096] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.548714][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.825668][ T4099] loop0: detected capacity change from 0 to 32768 [ 56.906556][ T4099] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 56.934965][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.198945][ T4102] loop0: detected capacity change from 0 to 32768 [ 57.316625][ T4102] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.365283][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.639188][ T4105] loop0: detected capacity change from 0 to 32768 [ 57.737496][ T4105] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 57.772003][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.029193][ T4108] loop0: detected capacity change from 0 to 32768 [ 58.147132][ T4108] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.182627][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.460819][ T4111] loop0: detected capacity change from 0 to 32768 [ 58.546842][ T4111] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.581463][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.854713][ T4114] loop0: detected capacity change from 0 to 32768 [ 58.956685][ T4114] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 58.992109][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.269624][ T4117] loop0: detected capacity change from 0 to 32768 [ 59.387298][ T4117] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.420550][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.678942][ T4120] loop0: detected capacity change from 0 to 32768 [ 59.786144][ T4120] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 59.820755][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.089540][ T4123] loop0: detected capacity change from 0 to 32768 [ 60.196634][ T4123] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.231417][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.490179][ T4126] loop0: detected capacity change from 0 to 32768 [ 60.586623][ T4126] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 60.633351][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.919684][ T4129] loop0: detected capacity change from 0 to 32768 [ 61.016562][ T4129] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.062515][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.313738][ T4132] loop0: detected capacity change from 0 to 32768 [ 61.416065][ T4132] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.455900][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.750828][ T4135] loop0: detected capacity change from 0 to 32768 [ 61.836290][ T4135] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 61.870234][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.148348][ T4138] loop0: detected capacity change from 0 to 32768 [ 62.246630][ T4138] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.278007][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.565293][ T4141] loop0: detected capacity change from 0 to 32768 [ 62.646154][ T4141] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 62.683476][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.944982][ T4144] loop0: detected capacity change from 0 to 32768 [ 63.026751][ T4144] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.064794][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.339485][ T4147] loop0: detected capacity change from 0 to 32768 [ 63.456479][ T4147] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.500745][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.799599][ T4150] loop0: detected capacity change from 0 to 32768 [ 63.916818][ T4150] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 63.952883][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.216812][ T4153] loop0: detected capacity change from 0 to 32768 [ 64.306189][ T4153] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.333582][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.593537][ T4156] loop0: detected capacity change from 0 to 32768 [ 64.676627][ T4156] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 64.708948][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.980722][ T4159] loop0: detected capacity change from 0 to 32768 [ 65.067136][ T4159] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.110170][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.359882][ T4162] loop0: detected capacity change from 0 to 32768 [ 65.456753][ T4162] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.486043][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.760558][ T4165] loop0: detected capacity change from 0 to 32768 [ 65.836067][ T4165] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 65.872416][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.155980][ T4168] loop0: detected capacity change from 0 to 32768 [ 66.257055][ T4168] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 66.263711][ T4168] [ 66.264295][ T4168] ====================================================== [ 66.265793][ T4168] WARNING: possible circular locking dependency detected [ 66.267409][ T4168] 5.15.167-syzkaller #0 Not tainted [ 66.268554][ T4168] ------------------------------------------------------ [ 66.270024][ T4168] syz-executor207/4168 is trying to acquire lock: [ 66.271296][ T4168] ffff0000cdd3d488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x180/0x6b8 [ 66.273528][ T4168] [ 66.273528][ T4168] but task is already holding lock: [ 66.275129][ T4168] ffff0000e1948660 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x178/0x38c [ 66.277314][ T4168] [ 66.277314][ T4168] which lock already depends on the new lock. [ 66.277314][ T4168] [ 66.279576][ T4168] [ 66.279576][ T4168] the existing dependency chain (in reverse order) is: [ 66.281491][ T4168] [ 66.281491][ T4168] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 66.283420][ T4168] down_read+0xc0/0x398 [ 66.284383][ T4168] ocfs2_read_virt_blocks+0x298/0x960 [ 66.285593][ T4168] ocfs2_find_entry+0x3ac/0x2450 [ 66.286678][ T4168] ocfs2_find_files_on_disk+0x10c/0x3d0 [ 66.288027][ T4168] ocfs2_lookup_ino_from_name+0xb8/0x1d4 [ 66.289334][ T4168] ocfs2_get_system_file_inode+0x2c8/0x6b8 [ 66.290697][ T4168] ocfs2_init_global_system_inodes+0x2bc/0x618 [ 66.292238][ T4168] ocfs2_fill_super+0x394c/0x498c [ 66.293611][ T4168] mount_bdev+0x274/0x370 [ 66.294643][ T4168] ocfs2_mount+0x44/0x58 [ 66.295717][ T4168] legacy_get_tree+0xd4/0x16c [ 66.296739][ T4168] vfs_get_tree+0x90/0x274 [ 66.297827][ T4168] do_new_mount+0x278/0x8fc [ 66.298880][ T4168] path_mount+0x594/0x101c [ 66.299976][ T4168] __arm64_sys_mount+0x510/0x5e0 [ 66.301148][ T4168] invoke_syscall+0x98/0x2b8 [ 66.302255][ T4168] el0_svc_common+0x138/0x258 [ 66.303403][ T4168] do_el0_svc+0x58/0x14c [ 66.304403][ T4168] el0_svc+0x7c/0x1f0 [ 66.305409][ T4168] el0t_64_sync_handler+0x84/0xe4 [ 66.306618][ T4168] el0t_64_sync+0x1a0/0x1a4 [ 66.307689][ T4168] [ 66.307689][ T4168] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 66.309513][ T4168] __lock_acquire+0x32d4/0x7638 [ 66.310643][ T4168] lock_acquire+0x240/0x77c [ 66.311722][ T4168] __mutex_lock_common+0x194/0x2154 [ 66.312979][ T4168] mutex_lock_nested+0xa4/0xf8 [ 66.314139][ T4168] ocfs2_get_system_file_inode+0x180/0x6b8 [ 66.315466][ T4168] ocfs2_reserve_local_alloc_bits+0xe4/0x2474 [ 66.316911][ T4168] ocfs2_reserve_clusters_with_limit+0x194/0xabc [ 66.318380][ T4168] ocfs2_lock_allocators+0x294/0x584 [ 66.319645][ T4168] ocfs2_write_begin_nolock+0x2274/0x3e1c [ 66.321035][ T4168] ocfs2_write_begin+0x1ac/0x38c [ 66.322215][ T4168] generic_perform_write+0x24c/0x520 [ 66.323466][ T4168] __generic_file_write_iter+0x230/0x454 [ 66.324741][ T4168] ocfs2_file_write_iter+0x1478/0x1e00 [ 66.325992][ T4168] vfs_write+0x884/0xb44 [ 66.327022][ T4168] ksys_write+0x15c/0x26c [ 66.328042][ T4168] __arm64_sys_write+0x7c/0x90 [ 66.329201][ T4168] invoke_syscall+0x98/0x2b8 [ 66.330360][ T4168] el0_svc_common+0x138/0x258 [ 66.331473][ T4168] do_el0_svc+0x58/0x14c [ 66.332494][ T4168] el0_svc+0x7c/0x1f0 [ 66.333500][ T4168] el0t_64_sync_handler+0x84/0xe4 [ 66.334677][ T4168] el0t_64_sync+0x1a0/0x1a4 [ 66.335733][ T4168] [ 66.335733][ T4168] other info that might help us debug this: [ 66.335733][ T4168] [ 66.337937][ T4168] Possible unsafe locking scenario: [ 66.337937][ T4168] [ 66.339547][ T4168] CPU0 CPU1 [ 66.340674][ T4168] ---- ---- [ 66.341808][ T4168] lock(&ocfs2_file_ip_alloc_sem_key); [ 66.343067][ T4168] lock(&osb->system_file_mutex); [ 66.344715][ T4168] lock(&ocfs2_file_ip_alloc_sem_key); [ 66.346444][ T4168] lock(&osb->system_file_mutex); [ 66.347559][ T4168] [ 66.347559][ T4168] *** DEADLOCK *** [ 66.347559][ T4168] [ 66.349292][ T4168] 3 locks held by syz-executor207/4168: [ 66.350471][ T4168] #0: ffff0000cda42460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x228/0xb44 [ 66.352433][ T4168] #1: ffff0000e19489c8 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x38c/0x1e00 [ 66.354888][ T4168] #2: ffff0000e1948660 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x178/0x38c [ 66.357223][ T4168] [ 66.357223][ T4168] stack backtrace: [ 66.358524][ T4168] CPU: 1 PID: 4168 Comm: syz-executor207 Not tainted 5.15.167-syzkaller #0 [ 66.360383][ T4168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 66.362518][ T4168] Call trace: [ 66.363160][ T4168] dump_backtrace+0x0/0x530 [ 66.364105][ T4168] show_stack+0x2c/0x3c [ 66.365038][ T4168] dump_stack_lvl+0x108/0x170 [ 66.366047][ T4168] dump_stack+0x1c/0x58 [ 66.366934][ T4168] print_circular_bug+0x150/0x1b8 [ 66.368037][ T4168] check_noncircular+0x2cc/0x378 [ 66.369102][ T4168] __lock_acquire+0x32d4/0x7638 [ 66.370080][ T4168] lock_acquire+0x240/0x77c [ 66.371112][ T4168] __mutex_lock_common+0x194/0x2154 [ 66.372223][ T4168] mutex_lock_nested+0xa4/0xf8 [ 66.373252][ T4168] ocfs2_get_system_file_inode+0x180/0x6b8 [ 66.374506][ T4168] ocfs2_reserve_local_alloc_bits+0xe4/0x2474 [ 66.375805][ T4168] ocfs2_reserve_clusters_with_limit+0x194/0xabc [ 66.377182][ T4168] ocfs2_lock_allocators+0x294/0x584 [ 66.378349][ T4168] ocfs2_write_begin_nolock+0x2274/0x3e1c [ 66.379564][ T4168] ocfs2_write_begin+0x1ac/0x38c [ 66.380611][ T4168] generic_perform_write+0x24c/0x520 [ 66.381767][ T4168] __generic_file_write_iter+0x230/0x454 [ 66.382903][ T4168] ocfs2_file_write_iter+0x1478/0x1e00 [ 66.384001][ T4168] vfs_write+0x884/0xb44 [ 66.384863][ T4168] ksys_write+0x15c/0x26c [ 66.385767][ T4168] __arm64_sys_write+0x7c/0x90 [ 66.386818][ T4168] invoke_syscall+0x98/0x2b8 [ 66.387874][ T4168] el0_svc_common+0x138/0x258 [ 66.388880][ T4168] do_el0_svc+0x58/0x14c [ 66.389844][ T4168] el0_svc+0x7c/0x1f0 [ 66.390665][ T4168] el0t_64_sync_handler+0x84/0xe4 [ 66.391726][ T4168] el0t_64_sync+0x1a0/0x1a4 [ 66.414512][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.599458][ T4171] loop0: detected capacity change from 0 to 32768 [ 66.704263][ T4171] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 66.729230][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.938548][ T4174] loop0: detected capacity change from 0 to 32768 [ 66.997444][ T4174] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 67.021539][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.229634][ T4177] loop0: detected capacity change from 0 to 32768 [ 67.369078][ T4177] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 67.393889][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.588241][ T4180] loop0: detected capacity change from 0 to 32768 [ 67.684000][ T4180] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 67.712650][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.918431][ T4183] loop0: detected capacity change from 0 to 32768 [ 67.933230][ T4183] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 67.960670][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.162413][ T4186] loop0: detected capacity change from 0 to 32768 [ 68.274905][ T4186] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 68.299114][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.506814][ T4189] loop0: detected capacity change from 0 to 32768 [ 68.583941][ T4189] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 68.612826][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.818150][ T4192] loop0: detected capacity change from 0 to 32768 [ 68.914230][ T4192] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 68.941714][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.127556][ T4195] loop0: detected capacity change from 0 to 32768 [ 69.215282][ T4195] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 69.251367][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.447804][ T4198] loop0: detected capacity change from 0 to 32768 [ 69.544052][ T4198] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 69.571349][ T4022] ocfs2: Unmounting device (7,0) on (node local) [ 69.639711][ T25] cfg80211: failed to load regulatory.db executing program [ 69.781904][ T4201] loop0: detected capacity change from 0 to 32768 [ 69.864244][ T4201] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 69.889637][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.097421][ T4204] loop0: detected capacity change from 0 to 32768 [ 70.174100][ T4204] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 70.201487][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.468294][ T4207] loop0: detected capacity change from 0 to 32768 [ 70.490953][ T4207] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 70.526050][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 70.709529][ T4210] loop0: detected capacity change from 0 to 32768 [ 70.804532][ T4210] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 70.833496][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.036731][ T4213] loop0: detected capacity change from 0 to 32768 [ 71.114111][ T4213] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 71.140988][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.341873][ T4216] loop0: detected capacity change from 0 to 32768 [ 71.424095][ T4216] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 71.444444][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.638564][ T4219] loop0: detected capacity change from 0 to 32768 [ 71.744115][ T4219] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 71.768474][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 71.977591][ T4222] loop0: detected capacity change from 0 to 32768 [ 72.054258][ T4222] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 72.091318][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.297611][ T4225] loop0: detected capacity change from 0 to 32768 [ 72.374217][ T4225] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 72.401355][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.606869][ T4228] loop0: detected capacity change from 0 to 32768 [ 72.684826][ T4228] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 72.711351][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 72.917696][ T4231] loop0: detected capacity change from 0 to 32768 [ 73.014297][ T4231] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 73.041391][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 73.227503][ T4234] loop0: detected capacity change from 0 to 32768 [ 73.314205][ T4234] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 73.341305][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 73.569124][ T4237] loop0: detected capacity change from 0 to 32768 [ 73.583305][ T4237] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 73.615826][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 73.821781][ T4240] loop0: detected capacity change from 0 to 32768 [ 73.944301][ T4240] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 73.968677][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.158978][ T4243] loop0: detected capacity change from 0 to 32768 [ 74.174310][ T4243] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 74.201660][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.419629][ T4246] loop0: detected capacity change from 0 to 32768 [ 74.514220][ T4246] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 74.539502][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 74.747962][ T4249] loop0: detected capacity change from 0 to 32768 [ 75.097744][ T4249] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 75.123612][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 75.363956][ T4252] loop0: detected capacity change from 0 to 32768 [ 75.453958][ T4252] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 75.479758][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 75.688330][ T4255] loop0: detected capacity change from 0 to 32768 [ 75.794260][ T4255] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 75.821374][ T4022] ocfs2: Unmounting device (7,0) on (node local) executing program [ 76.068424][ T4258] loop0: detected capacity change from 0 to 32768 [ 76.164677][ T4258] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 76.192688][ T4022] ocfs2: Unmounting device (7,0) on (node local)