RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9222d846d4 R13: 00000000004c57cc R14: 00000000004db8d8 R15: 0000000000000007 ====================================================== WARNING: possible circular locking dependency detected 4.19.87-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/11927 is trying to acquire lock: 00000000cdda4d72 (console_owner){-.-.}, at: console_trylock_spinning kernel/printk/printk.c:1669 [inline] 00000000cdda4d72 (console_owner){-.-.}, at: vprintk_emit+0x3d5/0x6d0 kernel/printk/printk.c:1936 but task is already holding lock: 000000003839abf5 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xff/0x200 drivers/tty/pty.c:120 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 tty_port_tty_get+0x22/0x90 drivers/tty/tty_port.c:288 tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:47 tty_port_tty_wakeup+0x57/0x70 drivers/tty/tty_port.c:390 uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:103 serial8250_tx_chars+0x495/0xaf0 drivers/tty/serial/8250/8250_port.c:1806 serial8250_handle_irq.part.0+0x261/0x2b0 drivers/tty/serial/8250/8250_port.c:1879 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1865 [inline] serial8250_default_handle_irq+0xc0/0x150 drivers/tty/serial/8250/8250_port.c:1895 serial8250_interrupt+0xfc/0x1e0 drivers/tty/serial/8250/8250_core.c:125 __handle_irq_event_percpu+0x144/0x8f0 kernel/irq/handle.c:149 handle_irq_event_percpu+0x74/0x160 kernel/irq/handle.c:189 handle_irq_event+0xa7/0x134 kernel/irq/handle.c:206 handle_edge_irq+0x25e/0x8d0 kernel/irq/chip.c:797 generic_handle_irq_desc include/linux/irqdesc.h:155 [inline] handle_irq+0x39/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x99/0x1d0 arch/x86/kernel/irq.c:246 ret_from_intr+0x0/0x1e arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:184 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] uart_write+0x3a9/0x6e0 drivers/tty/serial/serial_core.c:612 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 redirected_tty_write+0xb2/0xc0 drivers/tty/tty_io.c:1065 __vfs_write+0x114/0x810 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 serial8250_console_write+0x7ca/0x9f0 drivers/tty/serial/8250/8250_port.c:3247 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590 call_console_drivers kernel/printk/printk.c:1736 [inline] console_unlock+0xbdf/0x10d0 kernel/printk/printk.c:2429 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 register_console+0x77f/0xb90 kernel/printk/printk.c:2745 univ8250_console_init+0x3e/0x4b drivers/tty/serial/8250/8250_core.c:685 console_init+0x4f7/0x761 kernel/printk/printk.c:2831 start_kernel+0x59c/0x8c5 init/main.c:661 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #0 (console_owner){-.-.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 console_trylock_spinning kernel/printk/printk.c:1690 [inline] vprintk_emit+0x412/0x6d0 kernel/printk/printk.c:1936 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 fail_dump lib/fault-inject.c:44 [inline] should_fail+0x6f1/0x85c lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:122 tty_put_char+0x130/0x160 drivers/tty/tty_io.c:2888 __process_echoes+0x5c8/0xa40 drivers/tty/n_tty.c:726 flush_echoes drivers/tty/n_tty.c:827 [inline] __receive_buf drivers/tty/n_tty.c:1646 [inline] n_tty_receive_buf_common+0xc13/0x28e0 drivers/tty/n_tty.c:1740 n_tty_receive_buf+0x31/0x40 drivers/tty/n_tty.c:1769 tiocsti drivers/tty/tty_io.c:2194 [inline] tty_ioctl+0xe91/0x1510 drivers/tty/tty_io.c:2580 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: console_owner --> &port_lock_key --> &(&port->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&port->lock)->rlock); lock(&port_lock_key); lock(&(&port->lock)->rlock); lock(console_owner); *** DEADLOCK *** 4 locks held by syz-executor.0/11927: #0: 00000000bdf508d7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000bd2e6019 (&o_tty->termios_rwsem/1){++++}, at: isig+0x355/0x410 drivers/tty/n_tty.c:1150 #2: 000000008ca22c7f (&ldata->output_lock){+.+.}, at: flush_echoes drivers/tty/n_tty.c:825 [inline] #2: 000000008ca22c7f (&ldata->output_lock){+.+.}, at: __receive_buf drivers/tty/n_tty.c:1646 [inline] #2: 000000008ca22c7f (&ldata->output_lock){+.+.}, at: n_tty_receive_buf_common+0xbd6/0x28e0 drivers/tty/n_tty.c:1740 #3: 000000003839abf5 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xff/0x200 drivers/tty/pty.c:120 stack backtrace: CPU: 1 PID: 11927 Comm: syz-executor.0 Not tainted 4.19.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 console_trylock_spinning kernel/printk/printk.c:1690 [inline] vprintk_emit+0x412/0x6d0 kernel/printk/printk.c:1936 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 fail_dump lib/fault-inject.c:44 [inline] should_fail+0x6f1/0x85c lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:122 tty_put_char+0x130/0x160 drivers/tty/tty_io.c:2888 __process_echoes+0x5c8/0xa40 drivers/tty/n_tty.c:726 flush_echoes drivers/tty/n_tty.c:827 [inline] __receive_buf drivers/tty/n_tty.c:1646 [inline] n_tty_receive_buf_common+0xc13/0x28e0 drivers/tty/n_tty.c:1740 n_tty_receive_buf+0x31/0x40 drivers/tty/n_tty.c:1769 tiocsti drivers/tty/tty_io.c:2194 [inline] tty_ioctl+0xe91/0x1510 drivers/tty/tty_io.c:2580 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a679 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9222d83c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9222d83c90 RCX: 000000000045a679 RDX: 0000000020000100 RSI: 0000000000005412 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9222d846d4 R13: 00000000004c57cc R14: 00000000004db8d8 R15: 0000000000000007 kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' validate_nla: 68 callbacks suppressed netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop4' (00000000937af1e5): kobject_uevent_env netlink: 'syz-executor.1': attribute type 1 has an invalid length. QAT: Invalid ioctl kobject: 'veth36' (000000008bc49b05): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth36' (000000008bc49b05): kobject_uevent_env kobject: 'veth36' (000000008bc49b05): fill_kobj_path: path = '/devices/virtual/net/veth36' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'queues' (00000000dd5d3422): kobject_add_internal: parent: 'veth36', set: '' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'queues' (00000000dd5d3422): kobject_uevent_env kobject: 'queues' (00000000dd5d3422): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000009afc5ac0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000009afc5ac0): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000009afc5ac0): fill_kobj_path: path = '/devices/virtual/net/veth36/queues/rx-0' kobject: 'tx-0' (0000000033ea23e1): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'tx-0' (0000000033ea23e1): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000033ea23e1): fill_kobj_path: path = '/devices/virtual/net/veth36/queues/tx-0' kobject: 'batman_adv' (00000000087299cd): kobject_add_internal: parent: 'veth36', set: '' kobject: 'veth37' (0000000088a7dbee): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'veth37' (0000000088a7dbee): kobject_uevent_env kobject: 'veth37' (0000000088a7dbee): fill_kobj_path: path = '/devices/virtual/net/veth37' kobject: 'queues' (0000000067695077): kobject_add_internal: parent: 'veth37', set: '' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (0000000067695077): kobject_uevent_env kobject: 'queues' (0000000067695077): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f9a05296): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f9a05296): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'rx-0' (00000000f9a05296): fill_kobj_path: path = '/devices/virtual/net/veth37/queues/rx-0' kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000008b3674e3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000008b3674e3): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'tx-0' (000000008b3674e3): fill_kobj_path: path = '/devices/virtual/net/veth37/queues/tx-0' kobject: 'batman_adv' (0000000061584dc3): kobject_add_internal: parent: 'veth37', set: '' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000ef973159): kobject_uevent_env A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (00000000ffcbdbc2): kobject_add_internal: parent: 'usb2', set: 'devices' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: '2-0:1.0' (00000000ffcbdbc2): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '2-0:1.0' (00000000ffcbdbc2): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop1' (00000000ef973159): kobject_uevent_env hub 2-0:1.0: USB hub found kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env hub 2-0:1.0: 8 ports detected kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port1' (000000000e83e1d4): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'usb2-port1' (000000000e83e1d4): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'usb2-port1' (000000000e83e1d4): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port2' (00000000b7b6ac54): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port2' (00000000b7b6ac54): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'usb2-port2' (00000000b7b6ac54): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port3' (000000006f917ac1): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'usb2-port3' (000000006f917ac1): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port3' (000000006f917ac1): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port4' (000000009deb12c3): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port4' (000000009deb12c3): kobject_uevent_env kobject: 'usb2-port4' (000000009deb12c3): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'usb2-port5' (000000006c6af90c): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'usb2-port5' (000000006c6af90c): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'usb2-port5' (000000006c6af90c): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port6' (00000000497b05e9): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port6' (00000000497b05e9): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port6' (00000000497b05e9): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port7' (000000003397204d): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port7' (000000003397204d): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'usb2-port7' (000000003397204d): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'usb2-port8' (00000000ae5328fb): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port8' (00000000ae5328fb): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port8' (00000000ae5328fb): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: '2-0:1.0' (00000000ffcbdbc2): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (00000000ffcbdbc2): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'ep_81' (0000000056dcaf63): kobject_add_internal: parent: '2-0:1.0', set: 'devices' kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ep_81' (0000000056dcaf63): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'ep_81' (0000000056dcaf63): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' sd 0:0:1:0: [sg0] tag#7880 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#7880 CDB: Test Unit Ready kobject: 'loop1' (00000000ef973159): kobject_uevent_env sd 0:0:1:0: [sg0] tag#7880 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' sd 0:0:1:0: [sg0] tag#7880 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env sd 0:0:1:0: [sg0] tag#7880 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' sd 0:0:1:0: [sg0] tag#7880 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[c0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[d0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7880 CDB[e0]: 00 00 00 00 00 00 00 00 00 00 00 00 kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env validate_nla: 48 callbacks suppressed netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. kobject: 'loop1' (00000000ef973159): kobject_uevent_env netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'veth38' (00000000154cee20): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth38' (00000000154cee20): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'veth38' (00000000154cee20): fill_kobj_path: path = '/devices/virtual/net/veth38' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000007b2a16b3): kobject_add_internal: parent: 'veth38', set: '' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (000000007b2a16b3): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'queues' (000000007b2a16b3): kobject_uevent_env: filter function caused the event to drop! netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'rx-0' (000000008dadb609): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000008dadb609): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'rx-0' (000000008dadb609): fill_kobj_path: path = '/devices/virtual/net/veth38/queues/rx-0' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000c0ea87af): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'tx-0' (00000000c0ea87af): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'tx-0' (00000000c0ea87af): fill_kobj_path: path = '/devices/virtual/net/veth38/queues/tx-0' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (000000009f87aaff): kobject_add_internal: parent: 'veth38', set: '' kobject: 'veth39' (00000000649eb119): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth39' (00000000649eb119): kobject_uevent_env kobject: 'veth39' (00000000649eb119): fill_kobj_path: path = '/devices/virtual/net/veth39' kobject: 'queues' (0000000099234803): kobject_add_internal: parent: 'veth39', set: '' kobject: 'queues' (0000000099234803): kobject_uevent_env kobject: 'queues' (0000000099234803): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000cf93e9ff): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000cf93e9ff): kobject_uevent_env kobject: 'rx-0' (00000000cf93e9ff): fill_kobj_path: path = '/devices/virtual/net/veth39/queues/rx-0' kobject: 'tx-0' (000000004407e2ed): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004407e2ed): kobject_uevent_env kobject: 'tx-0' (000000004407e2ed): fill_kobj_path: path = '/devices/virtual/net/veth39/queues/tx-0' kobject: 'batman_adv' (000000003e0efa56): kobject_add_internal: parent: 'veth39', set: '' netlink: 'syz-executor.1': attribute type 2 has an invalid length. kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.1': attribute type 2 has an invalid length. netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env usb usb2: usbfs: process 14159 (syz-executor.5) did not claim interface 0 before use kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env usb usb2: usbfs: interface 0 claimed by hub while 'syz-executor.3' sets config #0 kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'veth12' (00000000af11a2b6): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth12' (00000000af11a2b6): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'veth12' (00000000af11a2b6): fill_kobj_path: path = '/devices/virtual/net/veth12' kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (000000005c6c703d): kobject_add_internal: parent: 'veth12', set: '' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'queues' (000000005c6c703d): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (000000005c6c703d): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port8' (00000000ae5328fb): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'usb2-port8' (00000000ae5328fb): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000d4cb0de9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port8' (00000000ae5328fb): kobject_cleanup, parent (null) kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'rx-0' (00000000d4cb0de9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000d4cb0de9): fill_kobj_path: path = '/devices/virtual/net/veth12/queues/rx-0' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port8' (00000000ae5328fb): calling ktype release kobject: 'usb2-port8': free name kobject: 'tx-0' (0000000040807da9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port7' (000000003397204d): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'tx-0' (0000000040807da9): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000040807da9): fill_kobj_path: path = '/devices/virtual/net/veth12/queues/tx-0' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port7' (000000003397204d): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port7' (000000003397204d): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000072b1ea2a): kobject_add_internal: parent: 'veth12', set: '' kobject: 'usb2-port7' (000000003397204d): calling ktype release kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port7': free name kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port6' (00000000497b05e9): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'usb2-port6' (00000000497b05e9): kobject_uevent_env: filter function caused the event to drop! kobject: 'veth13' (00000000c1baccdf): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'usb2-port6' (00000000497b05e9): kobject_cleanup, parent (null) kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port6' (00000000497b05e9): calling ktype release kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'usb2-port6': free name kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'veth13' (00000000c1baccdf): kobject_uevent_env kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port5' (000000006c6af90c): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port5' (000000006c6af90c): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'veth13' (00000000c1baccdf): fill_kobj_path: path = '/devices/virtual/net/veth13' kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000002ef46de3): kobject_add_internal: parent: 'veth13', set: '' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'queues' (000000002ef46de3): kobject_uevent_env kobject: 'usb2-port5' (000000006c6af90c): kobject_cleanup, parent (null) kobject: 'queues' (000000002ef46de3): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000e7bc8baa): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port5' (000000006c6af90c): calling ktype release kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port5': free name kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'rx-0' (00000000e7bc8baa): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000e7bc8baa): fill_kobj_path: path = '/devices/virtual/net/veth13/queues/rx-0' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'usb2-port4' (000000009deb12c3): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000b69b6544): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'tx-0' (00000000b69b6544): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000b69b6544): fill_kobj_path: path = '/devices/virtual/net/veth13/queues/tx-0' kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port4' (000000009deb12c3): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port4' (000000009deb12c3): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000005cc01cc6): kobject_add_internal: parent: 'veth13', set: '' kobject: 'usb2-port4' (000000009deb12c3): calling ktype release kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port4': free name kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'usb2-port3' (000000006f917ac1): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'usb2-port3' (000000006f917ac1): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port3' (000000006f917ac1): kobject_cleanup, parent (null) kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port3' (000000006f917ac1): calling ktype release kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'usb2-port3': free name kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'usb2-port2' (00000000b7b6ac54): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port2' (00000000b7b6ac54): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env kobject: 'usb2-port2' (00000000b7b6ac54): kobject_cleanup, parent (null) kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop5' (00000000752dc0e7): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port2' (00000000b7b6ac54): calling ktype release kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'usb2-port2': free name kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port1' (000000000e83e1d4): kobject_uevent_env kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port1' (000000000e83e1d4): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'usb2-port1' (000000000e83e1d4): kobject_cleanup, parent (null) kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'usb2-port1' (000000000e83e1d4): calling ktype release kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'usb2-port1': free name kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (00000000ffcbdbc2): kobject_uevent_env kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: '2-0:1.0' (00000000ffcbdbc2): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '2-0:1.0' (00000000ffcbdbc2): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: '2-0:1.0' (00000000ffcbdbc2): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ef973159): kobject_uevent_env kobject: 'loop1' (00000000ef973159): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '2-0:1.0' (00000000ffcbdbc2): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (00000000ffcbdbc2): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (000000000ff0307b): kobject_uevent_env kobject: 'loop3' (000000000ff0307b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d15d91c9): kobject_uevent_env kobject: 'ep_81' (0000000056dcaf63): kobject_uevent_env kobject: 'loop4' (00000000937af1e5): kobject_uevent_env kobject: 'ep_81' (0000000056dcaf63): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (00000000d15d91c9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ep_81' (0000000056dcaf63): kobject_cleanup, parent (null) kobject: 'loop4' (00000000937af1e5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ep_81' (0000000056dcaf63): calling ktype release kobject: 'loop5' (00000000752dc0e7): kobject_uevent_env