Warning: Permanently added '10.128.0.185' (ED25519) to the list of known hosts. executing program [ 121.181532][ T4192] loop0: detected capacity change from 0 to 32768 [ 121.221788][ T4192] ======================================================= [ 121.221788][ T4192] WARNING: The mand mount option has been deprecated and [ 121.221788][ T4192] and is ignored by this kernel. Remove the mand [ 121.221788][ T4192] option from the mount to silence this warning. [ 121.221788][ T4192] ======================================================= [ 121.282395][ T4192] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 121.338202][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 121.650924][ T4195] loop0: detected capacity change from 0 to 32768 [ 121.706200][ T4195] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 121.739722][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 121.996644][ T4198] loop0: detected capacity change from 0 to 32768 [ 122.057574][ T4198] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. executing program [ 122.098593][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 122.315698][ T4201] loop0: detected capacity change from 0 to 32768 executing program [ 122.373175][ T4201] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 122.406127][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 122.610839][ T4204] loop0: detected capacity change from 0 to 32768 executing program [ 122.675579][ T4204] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 122.707063][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 122.911068][ T4207] loop0: detected capacity change from 0 to 32768 [ 122.965385][ T4207] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 123.003359][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 123.298017][ T4210] loop0: detected capacity change from 0 to 32768 [ 123.356863][ T4210] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 123.387685][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 123.677061][ T4213] loop0: detected capacity change from 0 to 32768 executing program [ 123.734989][ T4213] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 123.765712][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 123.963923][ T4216] loop0: detected capacity change from 0 to 32768 [ 124.027524][ T4216] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 124.060631][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 124.330877][ T4219] loop0: detected capacity change from 0 to 32768 [ 124.387795][ T4219] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 124.418776][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 124.701080][ T4222] loop0: detected capacity change from 0 to 32768 [ 124.757294][ T4222] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 124.788689][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 125.074235][ T4225] loop0: detected capacity change from 0 to 32768 executing program [ 125.150663][ T4225] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 125.184806][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 125.397141][ T4228] loop0: detected capacity change from 0 to 32768 executing program [ 125.452609][ T4228] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 125.484444][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 125.685956][ T4231] loop0: detected capacity change from 0 to 32768 [ 125.746803][ T4231] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 125.781136][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 126.042847][ T4234] loop0: detected capacity change from 0 to 32768 executing program [ 126.103773][ T4234] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 126.138362][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 126.339709][ T4237] loop0: detected capacity change from 0 to 32768 [ 126.406304][ T4237] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 126.439215][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 126.700214][ T4241] loop0: detected capacity change from 0 to 32768 executing program [ 126.772958][ T4241] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 126.803863][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 127.006749][ T4244] loop0: detected capacity change from 0 to 32768 [ 127.067979][ T4244] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 127.098351][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 127.375668][ T4247] loop0: detected capacity change from 0 to 32768 executing program [ 127.468759][ T4247] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 127.498092][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 127.701417][ T4250] loop0: detected capacity change from 0 to 32768 executing program [ 127.752196][ T4250] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 127.781506][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 127.975203][ T4253] loop0: detected capacity change from 0 to 32768 executing program [ 128.034986][ T4253] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 128.063275][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 128.263924][ T4256] loop0: detected capacity change from 0 to 32768 executing program [ 128.334523][ T4256] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 128.365438][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 128.561331][ T4259] loop0: detected capacity change from 0 to 32768 [ 128.617632][ T4259] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 128.645449][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 128.892097][ T4262] loop0: detected capacity change from 0 to 32768 executing program [ 128.942729][ T4262] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 128.971429][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 129.169360][ T4265] loop0: detected capacity change from 0 to 32768 executing program [ 129.228239][ T4265] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 129.264902][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 129.470248][ T4268] loop0: detected capacity change from 0 to 32768 [ 129.526431][ T4268] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 129.558194][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 129.836161][ T4271] loop0: detected capacity change from 0 to 32768 executing program [ 129.901854][ T4271] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 129.931505][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 130.131625][ T4274] loop0: detected capacity change from 0 to 32768 executing program [ 130.184421][ T4274] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 130.218737][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 130.420200][ T4277] loop0: detected capacity change from 0 to 32768 executing program [ 130.486646][ T4277] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 130.518961][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 130.724207][ T4280] loop0: detected capacity change from 0 to 32768 executing program [ 130.807589][ T4280] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 130.841610][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 131.044186][ T4283] loop0: detected capacity change from 0 to 32768 [ 131.106495][ T4283] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 131.135227][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 131.390124][ T4286] loop0: detected capacity change from 0 to 32768 executing program [ 131.446504][ T4286] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 131.478748][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 131.677416][ T4289] loop0: detected capacity change from 0 to 32768 executing program [ 131.724524][ T4289] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 131.753568][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 131.946834][ T4292] loop0: detected capacity change from 0 to 32768 executing program [ 132.016748][ T4292] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 132.049524][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 132.252682][ T4295] loop0: detected capacity change from 0 to 32768 executing program [ 132.388526][ T4295] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 132.417769][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 132.614760][ T4298] loop0: detected capacity change from 0 to 32768 executing program [ 132.678133][ T4298] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 132.710092][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 132.912065][ T4301] loop0: detected capacity change from 0 to 32768 executing program [ 132.967054][ T4301] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 132.998838][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 133.198358][ T4304] loop0: detected capacity change from 0 to 32768 executing program [ 133.307840][ T4304] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 133.338253][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 133.524053][ T4307] loop0: detected capacity change from 0 to 32768 executing program [ 133.608480][ T4307] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 133.637270][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 133.843619][ T4310] loop0: detected capacity change from 0 to 32768 executing program [ 133.906861][ T4310] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 133.937108][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 134.140394][ T4313] loop0: detected capacity change from 0 to 32768 executing program [ 134.210628][ T4313] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 134.239348][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 134.442480][ T4316] loop0: detected capacity change from 0 to 32768 [ 134.468756][ T4316] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. executing program [ 134.503056][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 134.700754][ T4319] loop0: detected capacity change from 0 to 32768 [ 134.747388][ T4319] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 134.776100][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 135.053805][ T4322] loop0: detected capacity change from 0 to 32768 executing program [ 135.152104][ T4322] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 135.182098][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 135.379204][ T4325] loop0: detected capacity change from 0 to 32768 [ 135.436020][ T4325] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 135.464670][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 135.736853][ T4328] loop0: detected capacity change from 0 to 32768 [ 135.807506][ T4328] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 135.836435][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 136.109963][ T4332] loop0: detected capacity change from 0 to 32768 [ 136.166779][ T4332] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 136.195687][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 136.459878][ T4335] loop0: detected capacity change from 0 to 32768 executing program [ 136.514083][ T4335] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 136.547262][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 136.739822][ T4338] loop0: detected capacity change from 0 to 32768 executing program [ 136.827560][ T4338] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 136.856558][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 137.061699][ T4341] loop0: detected capacity change from 0 to 32768 [ 137.133102][ T4341] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 137.145937][ T4341] [ 137.148308][ T4341] ====================================================== [ 137.155340][ T4341] WARNING: possible circular locking dependency detected [ 137.162382][ T4341] 5.15.182-syzkaller #0 Not tainted [ 137.167591][ T4341] ------------------------------------------------------ [ 137.174616][ T4341] syz-executor983/4341 is trying to acquire lock: [ 137.181036][ T4341] ffff888079089488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x1b5/0x760 [ 137.192056][ T4341] [ 137.192056][ T4341] but task is already holding lock: [ 137.199432][ T4341] ffff88806e02dbe0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x18a/0x300 [ 137.209980][ T4341] [ 137.209980][ T4341] which lock already depends on the new lock. [ 137.209980][ T4341] [ 137.220372][ T4341] [ 137.220372][ T4341] the existing dependency chain (in reverse order) is: [ 137.229367][ T4341] [ 137.229367][ T4341] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 137.238139][ T4341] down_read+0x44/0x2e0 [ 137.242826][ T4341] ocfs2_read_virt_blocks+0x23f/0x8a0 [ 137.248713][ T4341] ocfs2_find_entry+0x3d1/0x1f90 [ 137.254162][ T4341] ocfs2_find_files_on_disk+0xdb/0x2f0 [ 137.260130][ T4341] ocfs2_lookup_ino_from_name+0x4f/0xf0 [ 137.266183][ T4341] ocfs2_get_system_file_inode+0x319/0x760 [ 137.272499][ T4341] ocfs2_init_global_system_inodes+0x316/0x650 [ 137.279159][ T4341] ocfs2_fill_super+0x3dbf/0x4d80 [ 137.284689][ T4341] mount_bdev+0x287/0x3c0 [ 137.289536][ T4341] legacy_get_tree+0xe6/0x180 [ 137.294813][ T4341] vfs_get_tree+0x88/0x270 [ 137.299740][ T4341] do_new_mount+0x24a/0xa40 [ 137.304846][ T4341] __se_sys_mount+0x2d6/0x3c0 [ 137.310044][ T4341] do_syscall_64+0x4c/0xa0 [ 137.314972][ T4341] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 137.321376][ T4341] [ 137.321376][ T4341] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 137.329700][ T4341] __lock_acquire+0x2c33/0x7c60 [ 137.335066][ T4341] lock_acquire+0x197/0x3f0 [ 137.340081][ T4341] __mutex_lock_common+0x1eb/0x2390 [ 137.345788][ T4341] mutex_lock_nested+0x17/0x20 [ 137.351077][ T4341] ocfs2_get_system_file_inode+0x1b5/0x760 [ 137.357394][ T4341] ocfs2_reserve_local_alloc_bits+0xfc/0x24c0 [ 137.363976][ T4341] ocfs2_reserve_clusters_with_limit+0x1bb/0xba0 [ 137.370825][ T4341] ocfs2_lock_allocators+0x2f7/0x5b0 [ 137.376629][ T4341] ocfs2_write_begin_nolock+0x2216/0x4180 [ 137.382863][ T4341] ocfs2_write_begin+0x1ab/0x300 [ 137.388324][ T4341] generic_perform_write+0x2aa/0x530 [ 137.394122][ T4341] __generic_file_write_iter+0x25f/0x4e0 [ 137.400367][ T4341] ocfs2_file_write_iter+0x1578/0x1cf0 [ 137.406469][ T4341] vfs_write+0x712/0xd00 [ 137.411233][ T4341] ksys_write+0x14d/0x250 [ 137.416086][ T4341] do_syscall_64+0x4c/0xa0 [ 137.421020][ T4341] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 137.427691][ T4341] [ 137.427691][ T4341] other info that might help us debug this: [ 137.427691][ T4341] [ 137.438052][ T4341] Possible unsafe locking scenario: [ 137.438052][ T4341] [ 137.445495][ T4341] CPU0 CPU1 [ 137.450844][ T4341] ---- ---- [ 137.456191][ T4341] lock(&ocfs2_file_ip_alloc_sem_key); [ 137.461731][ T4341] lock(&osb->system_file_mutex); [ 137.469453][ T4341] lock(&ocfs2_file_ip_alloc_sem_key); [ 137.477607][ T4341] lock(&osb->system_file_mutex); [ 137.482707][ T4341] [ 137.482707][ T4341] *** DEADLOCK *** [ 137.482707][ T4341] [ 137.490837][ T4341] 3 locks held by syz-executor983/4341: [ 137.496377][ T4341] #0: ffff8880778e0460 (sb_writers#9){.+.+}-{0:0}, at: vfs_write+0x28a/0xd00 [ 137.505270][ T4341] #1: ffff88806e02df48 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x401/0x1cf0 [ 137.516580][ T4341] #2: ffff88806e02dbe0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x18a/0x300 [ 137.527531][ T4341] [ 137.527531][ T4341] stack backtrace: [ 137.533424][ T4341] CPU: 1 PID: 4341 Comm: syz-executor983 Not tainted 5.15.182-syzkaller #0 [ 137.541998][ T4341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 137.552057][ T4341] Call Trace: [ 137.555453][ T4341] [ 137.558479][ T4341] dump_stack_lvl+0x168/0x230 [ 137.563160][ T4341] ? load_image+0x3b0/0x3b0 [ 137.567659][ T4341] ? show_regs_print_info+0x20/0x20 [ 137.572850][ T4341] ? print_circular_bug+0x12b/0x1a0 [ 137.578044][ T4341] check_noncircular+0x274/0x310 [ 137.583019][ T4341] ? add_chain_block+0x940/0x940 [ 137.587946][ T4341] ? lockdep_lock+0xdc/0x1e0 [ 137.592531][ T4341] ? mark_lock+0x94/0x320 [ 137.596853][ T4341] __lock_acquire+0x2c33/0x7c60 [ 137.601725][ T4341] ? __lock_acquire+0x13ad/0x7c60 [ 137.606743][ T4341] ? verify_lock_unused+0x140/0x140 [ 137.611956][ T4341] ? mark_lock+0x94/0x320 [ 137.616280][ T4341] ? __lock_acquire+0x13ad/0x7c60 [ 137.621317][ T4341] ? hlock_conflict+0x59/0x1f0 [ 137.626068][ T4341] ? __bfs+0x2a3/0x5c0 [ 137.630128][ T4341] lock_acquire+0x197/0x3f0 [ 137.634629][ T4341] ? ocfs2_get_system_file_inode+0x1b5/0x760 [ 137.640598][ T4341] ? rcu_is_watching+0x11/0xa0 [ 137.645356][ T4341] ? __might_sleep+0xf0/0xf0 [ 137.649935][ T4341] ? lock_release+0xba/0x870 [ 137.654514][ T4341] ? read_lock_is_recursive+0x10/0x10 [ 137.659874][ T4341] ? rcu_lock_release+0x5/0x20 [ 137.664631][ T4341] ? read_lock_is_recursive+0x10/0x10 [ 137.669991][ T4341] ? __lock_acquire+0x7c60/0x7c60 [ 137.675005][ T4341] ? ocfs2_get_system_file_inode+0x1b5/0x760 [ 137.680973][ T4341] __mutex_lock_common+0x1eb/0x2390 [ 137.686161][ T4341] ? ocfs2_get_system_file_inode+0x1b5/0x760 [ 137.692131][ T4341] ? ocfs2_get_system_file_inode+0x154/0x760 [ 137.698098][ T4341] ? mutex_lock_io_nested+0x60/0x60 [ 137.703294][ T4341] ? __rwlock_init+0x140/0x140 [ 137.708134][ T4341] ? do_raw_spin_unlock+0x11d/0x230 [ 137.713317][ T4341] mutex_lock_nested+0x17/0x20 [ 137.718068][ T4341] ocfs2_get_system_file_inode+0x1b5/0x760 [ 137.723863][ T4341] ? ocfs2_fast_symlink_readpage+0x3e0/0x3e0 [ 137.729829][ T4341] ? lockdep_unlock+0x134/0x2d0 [ 137.734673][ T4341] ? lockdep_lock+0x1e0/0x1e0 [ 137.739342][ T4341] ? add_lock_to_list+0x18d/0x280 [ 137.744792][ T4341] ? __lock_acquire+0x289d/0x7c60 [ 137.749812][ T4341] ocfs2_reserve_local_alloc_bits+0xfc/0x24c0 [ 137.755880][ T4341] ? verify_lock_unused+0x140/0x140 [ 137.761082][ T4341] ? ocfs2_complete_local_alloc_recovery+0x540/0x540 [ 137.767763][ T4341] ? ocfs2_reserve_clusters_with_limit+0xe7/0xba0 [ 137.774167][ T4341] ? ocfs2_lock_allocators+0x2f7/0x5b0 [ 137.779615][ T4341] ? ocfs2_write_begin_nolock+0x2216/0x4180 [ 137.785599][ T4341] ? ocfs2_write_begin+0x1ab/0x300 [ 137.790719][ T4341] ? generic_perform_write+0x2aa/0x530 [ 137.796173][ T4341] ? ocfs2_file_write_iter+0x1578/0x1cf0 [ 137.801799][ T4341] ? vfs_write+0x712/0xd00 [ 137.806203][ T4341] ? ksys_write+0x14d/0x250 [ 137.810872][ T4341] ? do_syscall_64+0x4c/0xa0 [ 137.815457][ T4341] ? ocfs2_alloc_should_use_local+0x13a/0x2d0 [ 137.821517][ T4341] ? __lock_acquire+0x7c60/0x7c60 [ 137.826529][ T4341] ? do_raw_spin_lock+0x11d/0x280 [ 137.831541][ T4341] ? __rwlock_init+0x140/0x140 [ 137.836292][ T4341] ? do_raw_spin_unlock+0x11d/0x230 [ 137.841477][ T4341] ? _raw_spin_unlock+0x24/0x40 [ 137.846320][ T4341] ? ocfs2_alloc_should_use_local+0x13a/0x2d0 [ 137.852373][ T4341] ? ocfs2_reserve_clusters_with_limit+0x168/0xba0 [ 137.858865][ T4341] ocfs2_reserve_clusters_with_limit+0x1bb/0xba0 [ 137.865184][ T4341] ? ocfs2_reserve_clusters+0x30/0x30 [ 137.870552][ T4341] ? ocfs2_read_inode_block+0x11a/0x180 [ 137.876088][ T4341] ? rcu_is_watching+0x11/0xa0 [ 137.880840][ T4341] ? ocfs2_num_free_extents+0x2de/0x5a0 [ 137.886403][ T4341] ? ocfs2_validate_extent_block+0x550/0x550 [ 137.892471][ T4341] ? ocfs2_get_clusters+0x2a1/0xa60 [ 137.897663][ T4341] ocfs2_lock_allocators+0x2f7/0x5b0 [ 137.903117][ T4341] ? _ocfs2_clear_bit+0x40/0x40 [ 137.907955][ T4341] ? do_raw_spin_lock+0x11d/0x280 [ 137.912974][ T4341] ? ocfs2_write_begin_nolock+0xf08/0x4180 [ 137.918769][ T4341] ? rcu_is_watching+0x11/0xa0 [ 137.923519][ T4341] ? ocfs2_write_begin_nolock+0xf08/0x4180 [ 137.929311][ T4341] ? kfree+0x4a/0x2a0 [ 137.933285][ T4341] ocfs2_write_begin_nolock+0x2216/0x4180 [ 137.939011][ T4341] ? ocfs2_size_fits_inline_data+0x90/0x90 [ 137.944804][ T4341] ? __lock_acquire+0x289d/0x7c60 [ 137.949861][ T4341] ? ocfs2_read_inode_block_full+0x1a0/0x1a0 [ 137.955830][ T4341] ? ocfs2_xattr_get_nolock+0x1c5/0xf50 [ 137.961367][ T4341] ? ocfs2_allocate_extend_trans+0x5b0/0x5b0 [ 137.967343][ T4341] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 137.973338][ T4341] ? __might_sleep+0xf0/0xf0 [ 137.977916][ T4341] ? preempt_count_add+0x8d/0x190 [ 137.982935][ T4341] ? rwsem_write_trylock+0x12f/0x1b0 [ 137.988210][ T4341] ? clear_nonspinnable+0x60/0x60 [ 137.993224][ T4341] ? seqcount_lockdep_reader_access+0x120/0x1c0 [ 137.999477][ T4341] ocfs2_write_begin+0x1ab/0x300 [ 138.004493][ T4341] ? ocfs2_readahead+0x190/0x190 [ 138.009442][ T4341] ? __vfs_getxattr+0x395/0x3d0 [ 138.014299][ T4341] ? fault_in_readable+0xf6/0x150 [ 138.019315][ T4341] generic_perform_write+0x2aa/0x530 [ 138.024630][ T4341] ? atime_needs_update+0x780/0x780 [ 138.029827][ T4341] ? grab_cache_page_write_begin+0xa0/0xa0 [ 138.035621][ T4341] ? file_remove_privs+0x590/0x590 [ 138.040719][ T4341] ? __rwlock_init+0x140/0x140 [ 138.045481][ T4341] ? __up_read+0x27c/0x660 [ 138.049886][ T4341] __generic_file_write_iter+0x25f/0x4e0 [ 138.055514][ T4341] ? _raw_spin_unlock+0x24/0x40 [ 138.060392][ T4341] ? ocfs2_inode_unlock+0x11a/0x140 [ 138.065577][ T4341] ocfs2_file_write_iter+0x1578/0x1cf0 [ 138.071043][ T4341] ? release_pages+0x184b/0x1bb0 [ 138.075994][ T4341] ? ocfs2_file_read_iter+0xa20/0xa20 [ 138.081440][ T4341] ? aa_file_perm+0x3a3/0xe20 [ 138.086208][ T4341] ? rcu_read_lock_any_held+0xb0/0x120 [ 138.091742][ T4341] ? rcu_read_lock_bh_held+0xe0/0xe0 [ 138.097015][ T4341] ? end_current_label_crit_section+0x14b/0x170 [ 138.103245][ T4341] ? memset+0x1e/0x40 [ 138.107211][ T4341] ? iov_iter_init+0xb4/0x170 [ 138.111876][ T4341] vfs_write+0x712/0xd00 [ 138.116106][ T4341] ? file_end_write+0x250/0x250 [ 138.120944][ T4341] ? __context_tracking_exit+0x4c/0x80 [ 138.126394][ T4341] ? __fdget_pos+0x2c6/0x370 [ 138.130972][ T4341] ksys_write+0x14d/0x250 [ 138.135294][ T4341] ? __ia32_sys_read+0x80/0x80 [ 138.140049][ T4341] ? lockdep_hardirqs_on+0x94/0x140 [ 138.145238][ T4341] do_syscall_64+0x4c/0xa0 [ 138.149729][ T4341] ? clear_bhb_loop+0x15/0x70 [ 138.154396][ T4341] ? clear_bhb_loop+0x15/0x70 [ 138.159057][ T4341] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 138.164949][ T4341] RIP: 0033:0x7fd6022741e9 [ 138.169353][ T4341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 138.188944][ T4341] RSP: 002b:00007ffd8ca40bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 138.197348][ T4341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd6022741e9 [ 138.205317][ T4341] RDX: 0000000000001006 RSI: 00002000000016c0 RDI: 0000000000000004 [ 138.213297][ T4341] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 138.221296][ T4341] R10: 0000000000004424 R11: 0000000000000246 R12: 0000000001000000 [ 138.229267][ T4341] R13: 00007ffd8ca40c60 R14: 0000200000000040 R15: 0000000000000003 [ 138.237238][ T4341] [ 138.256346][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 138.501212][ T4344] loop0: detected capacity change from 0 to 32768 executing program [ 138.572126][ T4344] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 138.600116][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 138.746007][ T4347] loop0: detected capacity change from 0 to 32768 executing program [ 138.802134][ T4347] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 138.829166][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 138.974334][ T4350] loop0: detected capacity change from 0 to 32768 executing program [ 139.039542][ T4350] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 139.065249][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 139.217875][ T4353] loop0: detected capacity change from 0 to 32768 executing program [ 139.300219][ T4353] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 139.324884][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 139.471336][ T4356] loop0: detected capacity change from 0 to 32768 [ 139.510651][ T4356] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. executing program [ 139.533005][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 139.678140][ T4359] loop0: detected capacity change from 0 to 32768 executing program [ 139.731262][ T4359] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 139.751462][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 139.897840][ T4362] loop0: detected capacity change from 0 to 32768 executing program [ 139.951681][ T4362] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 139.977746][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 140.124534][ T4365] loop0: detected capacity change from 0 to 32768 executing program [ 140.181605][ T4365] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 140.207413][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 140.351090][ T4368] loop0: detected capacity change from 0 to 32768 executing program [ 140.399590][ T4368] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 140.425064][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 140.568845][ T4371] loop0: detected capacity change from 0 to 32768 executing program [ 140.619190][ T4371] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 140.644625][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 140.779357][ T4374] loop0: detected capacity change from 0 to 32768 executing program [ 140.844873][ T4374] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 140.870264][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 141.015199][ T4377] loop0: detected capacity change from 0 to 32768 executing program [ 141.059347][ T4377] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 141.085034][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 141.232542][ T4380] loop0: detected capacity change from 0 to 32768 executing program [ 141.280939][ T4380] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 141.303178][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 141.448851][ T4383] loop0: detected capacity change from 0 to 32768 executing program [ 141.499247][ T4383] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 141.522020][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 141.668583][ T4386] loop0: detected capacity change from 0 to 32768 [ 141.719782][ T4386] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 141.740640][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 141.968746][ T4389] loop0: detected capacity change from 0 to 32768 executing program [ 142.020980][ T4389] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 142.057228][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 142.200735][ T4392] loop0: detected capacity change from 0 to 32768 executing program [ 142.249093][ T4392] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 142.274576][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 142.419986][ T4395] loop0: detected capacity change from 0 to 32768 executing program [ 142.461495][ T4395] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 142.482770][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 142.635066][ T4398] loop0: detected capacity change from 0 to 32768 executing program [ 142.714584][ T4398] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 142.741603][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 142.883304][ T4401] loop0: detected capacity change from 0 to 32768 [ 142.939219][ T4401] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 142.960081][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 143.161028][ T4404] loop0: detected capacity change from 0 to 32768 executing program [ 143.221306][ T4404] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 143.248246][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 143.392169][ T4407] loop0: detected capacity change from 0 to 32768 executing program [ 143.442569][ T4407] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 143.469708][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 143.612715][ T4410] loop0: detected capacity change from 0 to 32768 executing program [ 143.704680][ T4410] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 143.730576][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 143.871679][ T4413] loop0: detected capacity change from 0 to 32768 [ 143.911232][ T4413] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. executing program [ 143.939093][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 144.081485][ T4416] loop0: detected capacity change from 0 to 32768 executing program [ 144.131260][ T4416] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 144.157462][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 144.304806][ T4419] loop0: detected capacity change from 0 to 32768 executing program [ 144.360896][ T4419] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 144.387306][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 144.531968][ T4422] loop0: detected capacity change from 0 to 32768 executing program [ 144.634591][ T4422] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 144.660658][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 144.799298][ T4425] loop0: detected capacity change from 0 to 32768 executing program [ 144.848271][ T4425] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 144.874051][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 145.022475][ T4428] loop0: detected capacity change from 0 to 32768 executing program [ 145.091646][ T4428] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 145.117258][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 145.262592][ T4431] loop0: detected capacity change from 0 to 32768 executing program [ 145.309256][ T4431] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 145.334954][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 145.480866][ T4434] loop0: detected capacity change from 0 to 32768 executing program [ 145.530707][ T4434] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 145.553447][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 145.699184][ T4437] loop0: detected capacity change from 0 to 32768 executing program [ 145.748625][ T4437] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 145.774288][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 145.921790][ T4440] loop0: detected capacity change from 0 to 32768 [ 145.941666][ T4440] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 145.967110][ T4191] ocfs2: Unmounting device (7,0) on (node local) executing program [ 146.169137][ T4443] loop0: detected capacity change from 0 to 32768 executing program [ 146.219047][ T4443] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 146.244991][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 146.390668][ T4446] loop0: detected capacity change from 0 to 32768 [ 146.429272][ T4446] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. executing program [ 146.452959][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 146.599782][ T4449] loop0: detected capacity change from 0 to 32768 executing program [ 146.651158][ T4449] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 146.671311][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 146.817245][ T4452] loop0: detected capacity change from 0 to 32768 executing program [ 146.868526][ T4452] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 146.894142][ T4191] ocfs2: Unmounting device (7,0) on (node local) [ 147.042045][ T4455] loop0: detected capacity change from 0 to 32768 executing program [ 147.089274][ T4455] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 147.114889][ T4191] ocfs2: Unmounting device (7,0) on (node local)