===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 6.18.0-rc6-next-20251121 #1 Not tainted ----------------------------------------------------- syz-executor.0/254175 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: ffff88801da570c0 (&new->fa_lock){...-}-{3:3}, at: kill_fasync+0x137/0x520 and this task is already holding: ffff88805afb7028 (&client->buffer_lock){....}-{3:3}, at: evdev_pass_values.part.0+0xf6/0x940 which would create a new lock dependency: (&client->buffer_lock){....}-{3:3} -> (&new->fa_lock){...-}-{3:3} but this new dependency connects a SOFTIRQ-irq-safe lock: (&dev->event_lock){..-.}-{3:3} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x15e/0x2f0 _raw_spin_lock_irqsave+0x3a/0x60 input_inject_event+0x9f/0x3b0 led_set_brightness+0x215/0x290 led_trigger_event+0xda/0x270 kbd_bh+0x20e/0x2e0 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 _raw_spin_unlock_irq+0x2b/0x40 n_tty_ioctl_helper+0x114/0x2d0 n_tty_ioctl+0x4f/0x370 tty_ioctl+0x828/0x1810 __x64_sys_ioctl+0x18f/0x210 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f to a SOFTIRQ-irq-unsafe lock: (tasklist_lock){.+.+}-{3:3} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x15e/0x2f0 _raw_read_lock+0x5c/0x70 __do_wait+0x13e/0x8f0 do_wait+0x19f/0x560 kernel_wait+0x9f/0x160 call_usermodehelper_exec_work+0xf9/0x180 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 other info that might help us debug this: Chain exists of: &dev->event_lock --> &client->buffer_lock --> tasklist_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(tasklist_lock); local_irq_disable(); lock(&dev->event_lock); lock(&client->buffer_lock); lock(&dev->event_lock); *** DEADLOCK *** 7 locks held by syz-executor.0/254175: #0: ffff88800a687118 (&evdev->mutex){+.+.}-{4:4}, at: evdev_write+0x165/0x420 #1: ffff88800a048230 (&dev->event_lock){..-.}-{3:3}, at: input_inject_event+0x9f/0x3b0 #2: ffffffff85e201e0 (rcu_read_lock){....}-{1:3}, at: input_inject_event+0xbb/0x3b0 #3: ffffffff85e201e0 (rcu_read_lock){....}-{1:3}, at: input_pass_values+0x80/0x860 #4: ffffffff85e201e0 (rcu_read_lock){....}-{1:3}, at: evdev_events+0x80/0x430 #5: ffff88805afb7028 (&client->buffer_lock){....}-{3:3}, at: evdev_pass_values.part.0+0xf6/0x940 #6: ffffffff85e201e0 (rcu_read_lock){....}-{1:3}, at: kill_fasync+0x61/0x520 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&dev->event_lock){..-.}-{3:3} { IN-SOFTIRQ-W at: lock_acquire+0x15e/0x2f0 _raw_spin_lock_irqsave+0x3a/0x60 input_inject_event+0x9f/0x3b0 led_set_brightness+0x215/0x290 led_trigger_event+0xda/0x270 kbd_bh+0x20e/0x2e0 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 _raw_spin_unlock_irq+0x2b/0x40 n_tty_ioctl_helper+0x114/0x2d0 n_tty_ioctl+0x4f/0x370 tty_ioctl+0x828/0x1810 __x64_sys_ioctl+0x18f/0x210 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f INITIAL USE at: lock_acquire+0x15e/0x2f0 _raw_spin_lock_irqsave+0x3a/0x60 input_inject_event+0x9f/0x3b0 led_set_brightness+0x215/0x290 kbd_led_trigger_activate+0xcd/0x110 led_trigger_set+0x4cc/0xaa0 led_trigger_set_default+0x1e7/0x2e0 led_classdev_register_ext+0x615/0x950 input_leds_connect+0x49b/0x870 input_attach_handler+0x17a/0x260 input_register_device+0x9ff/0x1050 atkbd_connect+0x5e6/0xa10 serio_driver_probe+0x84/0xe0 really_probe+0x240/0x820 __driver_probe_device+0x2c4/0x380 driver_probe_device+0x4e/0x2a0 __driver_attach+0x1b0/0x590 bus_for_each_dev+0x12b/0x1c0 serio_handle_event+0x23b/0xaa0 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 } ... key at: [] __key.4+0x0/0x40 -> (&client->buffer_lock){....}-{3:3} { INITIAL USE at: lock_acquire+0x15e/0x2f0 _raw_spin_lock_irqsave+0x3a/0x60 evdev_do_ioctl+0x2e5/0x1990 evdev_ioctl+0x14a/0x1b0 __x64_sys_ioctl+0x18f/0x210 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f } ... key at: [] __key.90+0x0/0x40 ... acquired at: _raw_spin_lock+0x2b/0x40 evdev_handle_get_val+0x70/0x5c0 evdev_do_ioctl+0xf6d/0x1990 evdev_ioctl+0x14a/0x1b0 __x64_sys_ioctl+0x18f/0x210 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (tasklist_lock){.+.+}-{3:3} { HARDIRQ-ON-R at: lock_acquire+0x15e/0x2f0 _raw_read_lock+0x5c/0x70 __do_wait+0x13e/0x8f0 do_wait+0x19f/0x560 kernel_wait+0x9f/0x160 call_usermodehelper_exec_work+0xf9/0x180 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 SOFTIRQ-ON-R at: lock_acquire+0x15e/0x2f0 _raw_read_lock+0x5c/0x70 __do_wait+0x13e/0x8f0 do_wait+0x19f/0x560 kernel_wait+0x9f/0x160 call_usermodehelper_exec_work+0xf9/0x180 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 INITIAL USE at: lock_acquire+0x15e/0x2f0 _raw_write_lock_irq+0x33/0x50 copy_process+0x4e77/0x7260 kernel_clone+0xea/0x7f0 user_mode_thread+0xc8/0x110 rest_init+0x24/0x290 start_kernel+0x3fa/0x510 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0x109/0x120 common_startup_64+0x13e/0x148 INITIAL READ USE at: lock_acquire+0x15e/0x2f0 _raw_read_lock+0x5c/0x70 __do_wait+0x13e/0x8f0 do_wait+0x19f/0x560 kernel_wait+0x9f/0x160 call_usermodehelper_exec_work+0xf9/0x180 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 } ... key at: [] tasklist_lock+0x18/0x40 ... acquired at: _raw_read_lock+0x5c/0x70 send_sigio+0xbb/0x370 kill_fasync+0x218/0x520 lease_break_callback+0x23/0x30 __break_lease+0x6c4/0x17e0 vfs_truncate+0x30d/0x480 do_sys_truncate.part.0+0xfa/0x140 __x64_sys_truncate+0x6d/0xa0 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> (&f_owner->lock){....}-{3:3} { INITIAL USE at: lock_acquire+0x15e/0x2f0 _raw_write_lock_irq+0x33/0x50 __f_setown+0x60/0x3c0 __tty_fasync+0x1a9/0x320 tty_fasync+0xa1/0xf0 do_vfs_ioctl+0x9dc/0x1470 __x64_sys_ioctl+0x116/0x210 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f INITIAL READ USE at: lock_acquire+0x15e/0x2f0 _raw_read_lock_irqsave+0x75/0x90 send_sigurg+0x60/0xc90 sk_send_sigurg+0x76/0x360 unix_stream_sendmsg+0xfce/0x1360 ____sys_sendmsg+0xa67/0xc20 ___sys_sendmsg+0x10f/0x1b0 __sys_sendmsg+0x150/0x200 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f } ... key at: [] __key.1+0x0/0x40 ... acquired at: _raw_read_lock_irqsave+0x75/0x90 send_sigio+0x31/0x370 kill_fasync+0x218/0x520 lease_break_callback+0x23/0x30 __break_lease+0x6c4/0x17e0 do_dentry_open+0x701/0x1460 vfs_open+0x82/0x3f0 path_openat+0x1d3d/0x2a50 do_filp_open+0x1e8/0x450 do_sys_openat2+0x104/0x1b0 __x64_sys_openat+0x142/0x200 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> (&new->fa_lock){...-}-{3:3} { IN-SOFTIRQ-R at: lock_acquire+0x15e/0x2f0 _raw_read_lock_irqsave+0x46/0x90 kill_fasync+0x137/0x520 sock_wake_async+0xd6/0x160 sock_def_error_report+0x352/0x400 sk_error_report+0x3f/0x230 __udp6_lib_err+0x904/0x13f0 udplitev6_err+0x40/0x50 icmpv6_notify+0x33d/0x7e0 icmpv6_rcv+0xce1/0x1a50 ip6_protocol_deliver_rcu+0xaf8/0x1150 ip6_input_finish+0x1e1/0x4a0 ip6_input+0x10b/0x300 ipv6_rcv+0x161/0x500 __netif_receive_skb_one_core+0x12d/0x1e0 __netif_receive_skb+0x1d/0x160 process_backlog+0x329/0x12d0 __napi_poll+0xb3/0x530 net_rx_action+0x9cf/0xdb0 handle_softirqs+0x1b1/0x770 do_softirq+0x48/0x80 __local_bh_enable_ip+0xf1/0x110 __dev_queue_xmit+0x1010/0x4210 ip6_finish_output2+0xf61/0x1780 __ip6_finish_output+0x5d5/0xd10 ip6_output+0x24d/0x700 ip6_local_out+0xd5/0x4d0 ip6_send_skb+0x117/0x460 udp_v6_send_skb+0x7d9/0x1620 udpv6_sendmsg+0x1fa7/0x2ad0 inet6_sendmsg+0x109/0x150 sock_write_iter+0x44b/0x610 do_iter_readv_writev+0x5b3/0x910 vfs_writev+0x2d4/0xcd0 do_writev+0x283/0x330 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f INITIAL USE at: lock_acquire+0x15e/0x2f0 _raw_write_lock_irq+0x33/0x50 fasync_remove_entry+0xb2/0x1e0 fasync_helper+0xa6/0xc0 __tty_fasync+0x1cc/0x320 tty_fasync+0xa1/0xf0 __fput+0x94b/0xb50 fput_close_sync+0x10f/0x230 __x64_sys_close+0x8f/0x120 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f INITIAL READ USE at: lock_acquire+0x15e/0x2f0 _raw_read_lock_irqsave+0x75/0x90 kill_fasync+0x137/0x520 anon_pipe_write+0x58c/0x18d0 vfs_write+0xbe9/0x1150 ksys_write+0x1ef/0x240 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f } ... key at: [] __key.0+0x0/0x40 ... acquired at: lock_acquire+0x15e/0x2f0 _raw_read_lock_irqsave+0x75/0x90 kill_fasync+0x137/0x520 evdev_pass_values.part.0+0x665/0x940 evdev_events+0x3b5/0x430 input_pass_values+0x708/0x860 input_handle_event+0xdcf/0x13d0 input_inject_event+0x1e5/0x3b0 evdev_write+0x2e1/0x420 vfs_write+0x2b7/0x1150 ksys_write+0x1ef/0x240 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f stack backtrace: CPU: 1 UID: 0 PID: 254175 Comm: syz-executor.0 Not tainted 6.18.0-rc6-next-20251121 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 check_irq_usage+0x6f6/0x790 __lock_acquire+0x13b5/0x1b70 lock_acquire+0x15e/0x2f0 _raw_read_lock_irqsave+0x75/0x90 kill_fasync+0x137/0x520 evdev_pass_values.part.0+0x665/0x940 evdev_events+0x3b5/0x430 input_pass_values+0x708/0x860 input_handle_event+0xdcf/0x13d0 input_inject_event+0x1e5/0x3b0 evdev_write+0x2e1/0x420 vfs_write+0x2b7/0x1150 ksys_write+0x1ef/0x240 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f884757ab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8844af0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f884768df60 RCX: 00007f884757ab19 RDX: 000000000000ff2f RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007f88475d4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb8424fbf R14: 00007f8844af0300 R15: 0000000000022000 EXT4-fs (loop4): inodes count not valid: 16056352 vs 32 set_capacity_and_notify: 12 callbacks suppressed loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 16056352 vs 32 Direct I/O collision with buffered writes! File: syzkaller-testdir846382148/syzkaller.pUY8YX/288/file0 Comm: syz-executor.2 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 50331680 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 50331680 vs 32 loop4: detected capacity change from 0 to 4096 Direct I/O collision with buffered writes! File: syzkaller-testdir397959412/syzkaller.Hdp9xW/2355/file0 Comm: syz-executor.7 Direct I/O collision with buffered writes! File: syzkaller-testdir846382148/syzkaller.pUY8YX/289/file0 Comm: syz-executor.2 Direct I/O collision with buffered writes! File: syzkaller-testdir741621982/syzkaller.pNRamS/2418/file0 Comm: syz-executor.5 EXT4-fs (loop4): inodes count not valid: 75497504 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 75497504 vs 32 Direct I/O collision with buffered writes! File: syzkaller-testdir846382148/syzkaller.pUY8YX/290/file0 Comm: syz-executor.2 Direct I/O collision with buffered writes! File: syzkaller-testdir598101443/syzkaller.FIapns/1982/file0 Comm: syz-executor.1 Direct I/O collision with buffered writes! File: syzkaller-testdir637291292/syzkaller.VuIbSz/754/file0 Comm: syz-executor.3 Direct I/O collision with buffered writes! File: syzkaller-testdir397959412/syzkaller.Hdp9xW/2356/file0 Comm: syz-executor.7 loop4: detected capacity change from 0 to 4096 Direct I/O collision with buffered writes! File: syzkaller-testdir705367227/syzkaller.enG9Gn/2370/file0 Comm: syz-executor.0 Direct I/O collision with buffered writes! File: syzkaller-testdir846382148/syzkaller.pUY8YX/291/file0 Comm: syz-executor.2 EXT4-fs (loop4): inodes count not valid: 83886112 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 83886112 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 100663328 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 100663328 vs 32 loop4: detected capacity change from 0 to 4096 hpet: Lost 1 RTC interrupts EXT4-fs (loop4): inodes count not valid: 102891552 vs 32 EXT4-fs (loop4): inodes count not valid: 102891552 vs 32 EXT4-fs (loop4): inodes count not valid: 117440544 vs 32 EXT4-fs (loop4): inodes count not valid: 201326624 vs 32 EXT4-fs (loop4): inodes count not valid: 201326624 vs 32 EXT4-fs (loop4): inodes count not valid: 469762080 vs 32 EXT4-fs (loop4): inodes count not valid: 570818592 vs 32 EXT4-fs (loop4): inodes count not valid: 570818592 vs 32 EXT4-fs (loop4): inodes count not valid: 1056964640 vs 32 EXT4-fs (loop4): inodes count not valid: 1073741856 vs 32 EXT4-fs (loop4): inodes count not valid: 1073741856 vs 32 EXT4-fs (loop4): inodes count not valid: 1979711520 vs 32 EXT4-fs (loop4): inodes count not valid: 2147745824 vs 32 EXT4-fs (loop4): inodes count not valid: 4110417952 vs 32 EXT4-fs (loop4): inodes count not valid: 4110417952 vs 32 EXT4-fs (loop4): inodes count not valid: 4278124576 vs 32 EXT4-fs (loop4): inodes count not valid: 4278255648 vs 32 EXT4-fs (loop4): inodes count not valid: 4278255648 vs 32 EXT4-fs (loop4): inodes count not valid: 4294836256 vs 32 EXT4-fs (loop4): bad geometry: block count 1536 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 1536 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 4096 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 4864 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 4864 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 5120 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 8192 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 16128 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 16384 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 65279 exceeds size of device (512 blocks) set_capacity_and_notify: 28 callbacks suppressed loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 33554464 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 33554464 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 50331680 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 67108896 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 83886112 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 83886112 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 117440544 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 134217760 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 134217760 vs 32 loop4: detected capacity change from 0 to 4096 EXT4-fs (loop4): inodes count not valid: 201326624 vs 32 EXT4-fs (loop4): inodes count not valid: 201326624 vs 32 EXT4-fs (loop4): inodes count not valid: 268435488 vs 32 EXT4-fs (loop4): inodes count not valid: 268435488 vs 32 EXT4-fs (loop4): inodes count not valid: 402653216 vs 32 EXT4-fs (loop4): inodes count not valid: 402653216 vs 32 EXT4-fs (loop4): inodes count not valid: 469762080 vs 32 EXT4-fs (loop4): inodes count not valid: 469762080 vs 32 EXT4-fs (loop4): inodes count not valid: 1979711520 vs 32 EXT4-fs (loop4): inodes count not valid: 1979711520 vs 32 EXT4-fs (loop4): inodes count not valid: 4110417952 vs 32 EXT4-fs (loop4): inodes count not valid: 4261412896 vs 32 EXT4-fs (loop4): inodes count not valid: 4261412896 vs 32 EXT4-fs (loop4): bad geometry: block count 515 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 515 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 516 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 517 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 518 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 518 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 518 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 519 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 536 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 536 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 540 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 540 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 544 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 544 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 546 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 575 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 575 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 576 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 576 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 630 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 757 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 757 exceeds size of device (512 blocks) EXT4-fs (loop4): bad geometry: block count 766 exceeds size of device (512 blocks)