RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 ====================================================== WARNING: possible circular locking dependency detected 4.14.162-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/11427 is trying to acquire lock: (console_owner){-.-.}, at: [] console_trylock_spinning kernel/printk/printk.c:1658 [inline] (console_owner){-.-.}, at: [] vprintk_emit kernel/printk/printk.c:1922 [inline] (console_owner){-.-.}, at: [] vprintk_emit+0x2f1/0x600 kernel/printk/printk.c:1888 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 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){-.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160 tty_port_tty_get+0x22/0x90 drivers/tty/tty_port.c:287 tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:46 tty_port_tty_wakeup+0x57/0x70 drivers/tty/tty_port.c:389 uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:116 serial8250_tx_chars+0x40d/0xa10 drivers/tty/serial/8250/8250_port.c:1810 serial8250_handle_irq.part.0+0x206/0x250 drivers/tty/serial/8250/8250_port.c:1883 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1869 [inline] serial8250_default_handle_irq+0xa1/0x120 drivers/tty/serial/8250/8250_port.c:1899 serial8250_interrupt+0xe9/0x1a0 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0x125/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu+0x65/0x130 kernel/irq/handle.c:187 handle_irq_event+0xa7/0x134 kernel/irq/handle.c:204 handle_edge_irq+0x22b/0x840 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x39/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x99/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:557 default_idle_call+0x36/0x90 kernel/sched/idle.c:98 cpuidle_idle_call kernel/sched/idle.c:156 [inline] do_idle+0x262/0x3d0 kernel/sched/idle.c:246 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:351 rest_init+0x1d9/0x1e2 init/main.c:434 start_kernel+0x6df/0x6fd init/main.c:708 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #1 (&port_lock_key){-.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160 serial8250_console_write+0x709/0x930 drivers/tty/serial/8250/8250_port.c:3232 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:597 call_console_drivers kernel/printk/printk.c:1725 [inline] console_unlock+0x9ba/0xed0 kernel/printk/printk.c:2397 vprintk_emit kernel/printk/printk.c:1923 [inline] vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 register_console+0x614/0x9e0 kernel/printk/printk.c:2716 univ8250_console_init+0x33/0x3f drivers/tty/serial/8250/8250_core.c:692 console_init+0x4d/0x5d kernel/printk/printk.c:2797 start_kernel+0x43c/0x6fd init/main.c:634 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){-.-.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit kernel/printk/printk.c:1922 [inline] vprintk_emit+0x32e/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xe4/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 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 *** 3 locks held by syz-executor.1/11427: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&tty->atomic_write_lock){+.+.}, at: [] tty_write_lock+0x20/0x60 drivers/tty/tty_io.c:885 #2: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 stack backtrace: CPU: 0 PID: 11427 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit kernel/printk/printk.c:1922 [inline] vprintk_emit+0x32e/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xe4/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'veth183' (ffff88801e526eb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'veth183' (ffff88801e526eb0): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'veth183' (ffff88801e526eb0): fill_kobj_path: path = '/devices/virtual/net/veth183' CPU: 0 PID: 11439 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 kobject: 'queues' (ffff888050cab248): kobject_add_internal: parent: 'veth183', set: '' kobject: 'queues' (ffff888050cab248): kobject_uevent_env kobject: 'queues' (ffff888050cab248): kobject_uevent_env: filter function caused the event to drop! vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 kobject: 'rx-0' (ffff8880a59a6b50): kobject_add_internal: parent: 'queues', set: 'queues' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'rx-0' (ffff8880a59a6b50): kobject_uevent_env RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 kobject: 'rx-0' (ffff8880a59a6b50): fill_kobj_path: path = '/devices/virtual/net/veth183/queues/rx-0' R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'tx-0' (ffff88808e79d2d8): kobject_add_internal: parent: 'queues', set: 'queues' CPU: 0 PID: 11445 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: 'tx-0' (ffff88808e79d2d8): kobject_uevent_env __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'tx-0' (ffff88808e79d2d8): fill_kobj_path: path = '/devices/virtual/net/veth183/queues/tx-0' should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kobject: 'batman_adv' (ffff888089cb6280): kobject_add_internal: parent: 'veth183', set: '' kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'veth184' (ffff88809c37d2f0): kobject_add_internal: parent: 'net', set: 'devices' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'veth184' (ffff88809c37d2f0): kobject_uevent_env CPU: 0 PID: 11457 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: 'veth184' (ffff88809c37d2f0): fill_kobj_path: path = '/devices/virtual/net/veth184' __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'queues' (ffff8880991a0d48): kobject_add_internal: parent: 'veth184', set: '' should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'queues' (ffff8880991a0d48): kobject_uevent_env slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kobject: 'queues' (ffff8880991a0d48): kobject_uevent_env: filter function caused the event to drop! kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 kobject: 'rx-0' (ffff888081ae9850): kobject_add_internal: parent: 'queues', set: 'queues' tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 kobject: 'rx-0' (ffff888081ae9850): kobject_uevent_env n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 kobject: 'rx-0' (ffff888081ae9850): fill_kobj_path: path = '/devices/virtual/net/veth184/queues/rx-0' kobject: 'tx-0' (ffff8880a0e0b7d8): kobject_add_internal: parent: 'queues', set: 'queues' do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 kobject: 'tx-0' (ffff8880a0e0b7d8): kobject_uevent_env __vfs_write+0x105/0x6b0 fs/read_write.c:480 kobject: 'tx-0' (ffff8880a0e0b7d8): fill_kobj_path: path = '/devices/virtual/net/veth184/queues/tx-0' kobject: 'batman_adv' (ffff888076576280): kobject_add_internal: parent: 'veth184', set: '' kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'batman_adv' (ffff888076576280): kobject_uevent_env kobject: 'batman_adv' (ffff888076576280): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (ffff888076576280): kobject_cleanup, parent (null) kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (ffff888076576280): calling ktype release kobject: (ffff888076576280): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a42a31a0): kobject_uevent_env kobject: 'rx-0' (ffff888081ae9850): kobject_cleanup, parent ffff8880991a0d48 kobject: 'loop5' (ffff8880a42a31a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff888081ae9850): auto cleanup 'remove' event FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11479 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'rx-0' (ffff888081ae9850): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'rx-0' (ffff888081ae9850): fill_kobj_path: path = '/devices/virtual/net/veth184/queues/rx-0' should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 kobject: 'rx-0' (ffff888081ae9850): auto cleanup kobject_del tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 kobject: 'rx-0' (ffff888081ae9850): calling ktype release do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 kobject: 'rx-0': free name vfs_write+0x198/0x500 fs/read_write.c:544 kobject: 'tx-0' (ffff8880a0e0b7d8): kobject_cleanup, parent ffff8880991a0d48 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'tx-0' (ffff8880a0e0b7d8): auto cleanup 'remove' event RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'tx-0' (ffff8880a0e0b7d8): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a0e0b7d8): fill_kobj_path: path = '/devices/virtual/net/veth184/queues/tx-0' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'tx-0' (ffff8880a0e0b7d8): auto cleanup kobject_del kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a0e0b7d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880991a0d48): kobject_cleanup, parent (null) kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11493 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'queues' (ffff8880991a0d48): calling ktype release Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'queues' (ffff8880991a0d48): kset_release should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kobject: 'queues': free name kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 kobject: 'veth184' (ffff88809c37d2f0): kobject_uevent_env tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 kobject: 'veth184' (ffff88809c37d2f0): fill_kobj_path: path = '/devices/virtual/net/veth184' do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'veth184' (ffff88809c37d2f0): kobject_cleanup, parent (null) kobject: 'veth184' (ffff88809c37d2f0): calling ktype release kobject: 'veth184': free name kobject: 'loop5' (ffff8880a42a31a0): kobject_uevent_env kobject: 'loop5' (ffff8880a42a31a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' nla_parse: 2 callbacks suppressed netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'veth184' (ffff8880112611b0): kobject_add_internal: parent: 'net', set: 'devices' CPU: 1 PID: 11509 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'veth184' (ffff8880112611b0): kobject_uevent_env slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 kobject: 'veth184' (ffff8880112611b0): fill_kobj_path: path = '/devices/virtual/net/veth184' do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 kobject: 'queues' (ffff888079505e48): kobject_add_internal: parent: 'veth184', set: '' vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'queues' (ffff888079505e48): kobject_uevent_env kobject: 'queues' (ffff888079505e48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808a849c10): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'rx-0' (ffff88808a849c10): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff88808a849c10): fill_kobj_path: path = '/devices/virtual/net/veth184/queues/rx-0' kobject: 'tx-0' (ffff88809717b358): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809717b358): kobject_uevent_env kobject: 'tx-0' (ffff88809717b358): fill_kobj_path: path = '/devices/virtual/net/veth184/queues/tx-0' kobject: 'batman_adv' (ffff88809c550480): kobject_add_internal: parent: 'veth184', set: '' kobject: 'veth185' (ffff88801cfa9470): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth185' (ffff88801cfa9470): kobject_uevent_env kobject: 'veth185' (ffff88801cfa9470): fill_kobj_path: path = '/devices/virtual/net/veth185' kobject: 'queues' (ffff888024cbb748): kobject_add_internal: parent: 'veth185', set: '' kobject: 'queues' (ffff888024cbb748): kobject_uevent_env kobject: 'queues' (ffff888024cbb748): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809584e550): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809584e550): kobject_uevent_env kobject: 'rx-0' (ffff88809584e550): fill_kobj_path: path = '/devices/virtual/net/veth185/queues/rx-0' kobject: 'tx-0' (ffff88809717b858): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809717b858): kobject_uevent_env kobject: 'tx-0' (ffff88809717b858): fill_kobj_path: path = '/devices/virtual/net/veth185/queues/tx-0' kobject: 'batman_adv' (ffff888091dd0e00): kobject_add_internal: parent: 'veth185', set: '' IPv6: ADDRCONF(NETDEV_UP): veth185: link is not ready kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env team0: Port device veth185 added kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11525 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'veth186' (ffff8880522fe870): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth186' (ffff8880522fe870): kobject_uevent_env kobject: 'veth186' (ffff8880522fe870): fill_kobj_path: path = '/devices/virtual/net/veth186' kobject: 'queues' (ffff888098812748): kobject_add_internal: parent: 'veth186', set: '' kobject: 'queues' (ffff888098812748): kobject_uevent_env kobject: 'queues' (ffff888098812748): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809b8b6e50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809b8b6e50): kobject_uevent_env kobject: 'loop5' (ffff8880a42a31a0): kobject_uevent_env kobject: 'rx-0' (ffff88809b8b6e50): fill_kobj_path: path = '/devices/virtual/net/veth186/queues/rx-0' kobject: 'loop5' (ffff8880a42a31a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff8880a0b0fad8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880a0b0fad8): kobject_uevent_env kobject: 'tx-0' (ffff8880a0b0fad8): fill_kobj_path: path = '/devices/virtual/net/veth186/queues/tx-0' kobject: 'batman_adv' (ffff888093938780): kobject_add_internal: parent: 'veth186', set: '' kobject: 'veth187' (ffff8880a12b88b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth187' (ffff8880a12b88b0): kobject_uevent_env kobject: 'veth187' (ffff8880a12b88b0): fill_kobj_path: path = '/devices/virtual/net/veth187' kobject: 'queues' (ffff888024cbb148): kobject_add_internal: parent: 'veth187', set: '' kobject: 'queues' (ffff888024cbb148): kobject_uevent_env kobject: 'queues' (ffff888024cbb148): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808d6e2610): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88808d6e2610): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'rx-0' (ffff88808d6e2610): fill_kobj_path: path = '/devices/virtual/net/veth187/queues/rx-0' kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a0b0f0d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880a0b0f0d8): kobject_uevent_env kobject: 'tx-0' (ffff8880a0b0f0d8): fill_kobj_path: path = '/devices/virtual/net/veth187/queues/tx-0' kobject: 'batman_adv' (ffff8880a49c8800): kobject_add_internal: parent: 'veth187', set: '' IPv6: ADDRCONF(NETDEV_UP): veth187: link is not ready team0: Port device veth187 added netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11577 comm=syz-executor.0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11574 Comm: syz-executor.1 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_hdlc_send_frames+0x238/0x3e0 drivers/tty/n_hdlc.c:404 n_hdlc_tty_write+0x504/0x5f0 drivers/tty/n_hdlc.c:714 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45af49 RSP: 002b:00007f53a0b67c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53a0b67c90 RCX: 000000000045af49 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53a0b686d4 R13: 00000000004c84d6 R14: 00000000004e7470 R15: 0000000000000004 kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a42a31a0): kobject_uevent_env kobject: 'loop5' (ffff8880a42a31a0): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'veth188' (ffff8880541d4730): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth188' (ffff8880541d4730): kobject_uevent_env kobject: 'veth188' (ffff8880541d4730): fill_kobj_path: path = '/devices/virtual/net/veth188' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'queues' (ffff888043bb8d48): kobject_add_internal: parent: 'veth188', set: '' kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff888043bb8d48): kobject_uevent_env kobject: 'queues' (ffff888043bb8d48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809c213850): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809c213850): kobject_uevent_env kobject: 'rx-0' (ffff88809c213850): fill_kobj_path: path = '/devices/virtual/net/veth188/queues/rx-0' kobject: 'tx-0' (ffff888058ebe558): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888058ebe558): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff888058ebe558): fill_kobj_path: path = '/devices/virtual/net/veth188/queues/tx-0' kobject: 'batman_adv' (ffff88809726d000): kobject_add_internal: parent: 'veth188', set: '' kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'veth189' (ffff8880a0469470): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth189' (ffff8880a0469470): kobject_uevent_env kobject: 'veth189' (ffff8880a0469470): fill_kobj_path: path = '/devices/virtual/net/veth189' kobject: 'queues' (ffff8880a9dfe948): kobject_add_internal: parent: 'veth189', set: '' kobject: 'queues' (ffff8880a9dfe948): kobject_uevent_env kobject: 'queues' (ffff8880a9dfe948): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809f37b310): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809f37b310): kobject_uevent_env kobject: 'rx-0' (ffff88809f37b310): fill_kobj_path: path = '/devices/virtual/net/veth189/queues/rx-0' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff888058ebe2d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888058ebe2d8): kobject_uevent_env kobject: 'tx-0' (ffff888058ebe2d8): fill_kobj_path: path = '/devices/virtual/net/veth189/queues/tx-0' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (ffff8880a10b1b80): kobject_add_internal: parent: 'veth189', set: '' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'veth190' (ffff8880a9fce9b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth190' (ffff8880a9fce9b0): kobject_uevent_env kobject: 'veth190' (ffff8880a9fce9b0): fill_kobj_path: path = '/devices/virtual/net/veth190' kobject: 'queues' (ffff88809f88cb48): kobject_add_internal: parent: 'veth190', set: '' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff88809f88cb48): kobject_uevent_env kobject: 'queues' (ffff88809f88cb48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809480a490): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809480a490): kobject_uevent_env kobject: 'rx-0' (ffff88809480a490): fill_kobj_path: path = '/devices/virtual/net/veth190/queues/rx-0' kobject: 'loop5' (ffff8880a42a31a0): kobject_uevent_env kobject: 'loop5' (ffff8880a42a31a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff8880a8964598): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'tx-0' (ffff8880a8964598): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (ffff8880a8964598): fill_kobj_path: path = '/devices/virtual/net/veth190/queues/tx-0' kobject: 'batman_adv' (ffff888092953080): kobject_add_internal: parent: 'veth190', set: '' kobject: 'veth191' (ffff8880a53b8db0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth191' (ffff8880a53b8db0): kobject_uevent_env kobject: 'veth191' (ffff8880a53b8db0): fill_kobj_path: path = '/devices/virtual/net/veth191' kobject: 'queues' (ffff888098706248): kobject_add_internal: parent: 'veth191', set: '' kobject: 'queues' (ffff888098706248): kobject_uevent_env kobject: 'queues' (ffff888098706248): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809480a6d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809480a6d0): kobject_uevent_env kobject: 'rx-0' (ffff88809480a6d0): fill_kobj_path: path = '/devices/virtual/net/veth191/queues/rx-0' kobject: 'tx-0' (ffff8880972b02d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880972b02d8): kobject_uevent_env kobject: 'tx-0' (ffff8880972b02d8): fill_kobj_path: path = '/devices/virtual/net/veth191/queues/tx-0' kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (ffff888083d72c00): kobject_add_internal: parent: 'veth191', set: '' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'veth192' (ffff88808f3c1330): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth192' (ffff88808f3c1330): kobject_uevent_env kobject: 'veth192' (ffff88808f3c1330): fill_kobj_path: path = '/devices/virtual/net/veth192' kobject: 'queues' (ffff88809e071748): kobject_add_internal: parent: 'veth192', set: '' kobject: 'queues' (ffff88809e071748): kobject_uevent_env kobject: 'queues' (ffff88809e071748): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880a079b910): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880a079b910): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a079b910): fill_kobj_path: path = '/devices/virtual/net/veth192/queues/rx-0' kobject: 'tx-0' (ffff888093309318): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888093309318): kobject_uevent_env kobject: 'tx-0' (ffff888093309318): fill_kobj_path: path = '/devices/virtual/net/veth192/queues/tx-0' kobject: 'batman_adv' (ffff88802201fe80): kobject_add_internal: parent: 'veth192', set: '' kobject: 'veth193' (ffff88808ac96af0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth193' (ffff88808ac96af0): kobject_uevent_env kobject: 'veth193' (ffff88808ac96af0): fill_kobj_path: path = '/devices/virtual/net/veth193' kobject: 'queues' (ffff88809f5b5948): kobject_add_internal: parent: 'veth193', set: '' kobject: 'queues' (ffff88809f5b5948): kobject_uevent_env kobject: 'queues' (ffff88809f5b5948): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880590a5190): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880590a5190): kobject_uevent_env kobject: 'rx-0' (ffff8880590a5190): fill_kobj_path: path = '/devices/virtual/net/veth193/queues/rx-0' kobject: 'tx-0' (ffff888093309d18): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888093309d18): kobject_uevent_env kobject: 'tx-0' (ffff888093309d18): fill_kobj_path: path = '/devices/virtual/net/veth193/queues/tx-0' kobject: 'batman_adv' (ffff888053ccef00): kobject_add_internal: parent: 'veth193', set: '' IPv6: ADDRCONF(NETDEV_UP): veth193: link is not ready team0: Port device veth193 added kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (ffff8880a423b7a0): kobject_uevent_env kobject: 'veth194' (ffff8880745d53b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (ffff8880a423b7a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth194' (ffff8880745d53b0): kobject_uevent_env kobject: 'veth194' (ffff8880745d53b0): fill_kobj_path: path = '/devices/virtual/net/veth194' kobject: 'queues' (ffff8880a88d7248): kobject_add_internal: parent: 'veth194', set: '' kobject: 'queues' (ffff8880a88d7248): kobject_uevent_env kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'queues' (ffff8880a88d7248): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff888075e50a90): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888075e50a90): kobject_uevent_env kobject: 'rx-0' (ffff888075e50a90): fill_kobj_path: path = '/devices/virtual/net/veth194/queues/rx-0' kobject: 'tx-0' (ffff888090ff7d58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888090ff7d58): kobject_uevent_env kobject: 'tx-0' (ffff888090ff7d58): fill_kobj_path: path = '/devices/virtual/net/veth194/queues/tx-0' kobject: 'batman_adv' (ffff8880332e9b00): kobject_add_internal: parent: 'veth194', set: '' kobject: 'veth195' (ffff8880a95113f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth195' (ffff8880a95113f0): kobject_uevent_env kobject: 'veth195' (ffff8880a95113f0): fill_kobj_path: path = '/devices/virtual/net/veth195' kobject: 'queues' (ffff88809d4bc848): kobject_add_internal: parent: 'veth195', set: '' kobject: 'queues' (ffff88809d4bc848): kobject_uevent_env kobject: 'queues' (ffff88809d4bc848): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888075e509d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888075e509d0): kobject_uevent_env kobject: 'rx-0' (ffff888075e509d0): fill_kobj_path: path = '/devices/virtual/net/veth195/queues/rx-0' kobject: 'tx-0' (ffff88800047a358): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88800047a358): kobject_uevent_env kobject: 'tx-0' (ffff88800047a358): fill_kobj_path: path = '/devices/virtual/net/veth195/queues/tx-0' kobject: 'batman_adv' (ffff888024e54d80): kobject_add_internal: parent: 'veth195', set: '' kobject: 'loop0' (ffff88808f3f5660): kobject_uevent_env kobject: 'loop0' (ffff88808f3f5660): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'veth140' (ffff88806248d430): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth140' (ffff88806248d430): kobject_uevent_env kobject: 'veth140' (ffff88806248d430): fill_kobj_path: path = '/devices/virtual/net/veth140' kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'queues' (ffff8880a491a548): kobject_add_internal: parent: 'veth140', set: '' kobject: 'queues' (ffff8880a491a548): kobject_uevent_env kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff8880a491a548): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888074f5d850): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (ffff88805c5684a0): kobject_uevent_env kobject: 'loop2' (ffff88805c5684a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff888074f5d850): kobject_uevent_env kobject: 'loop5' (ffff8880a42a31a0): kobject_uevent_env kobject: 'rx-0' (ffff888074f5d850): fill_kobj_path: path = '/devices/virtual/net/veth140/queues/rx-0' kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'loop5' (ffff8880a42a31a0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff888089ff7818): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888089ff7818): kobject_uevent_env kobject: 'tx-0' (ffff888089ff7818): fill_kobj_path: path = '/devices/virtual/net/veth140/queues/tx-0' kobject: 'batman_adv' (ffff888079bd5f80): kobject_add_internal: parent: 'veth140', set: '' kobject: 'veth141' (ffff88808ec4c5b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth141' (ffff88808ec4c5b0): kobject_uevent_env kobject: 'veth141' (ffff88808ec4c5b0): fill_kobj_path: path = '/devices/virtual/net/veth141' kobject: 'queues' (ffff8880a6415b48): kobject_add_internal: parent: 'veth141', set: '' kobject: 'queues' (ffff8880a6415b48): kobject_uevent_env kobject: 'queues' (ffff8880a6415b48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880946d9cd0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880946d9cd0): kobject_uevent_env kobject: 'rx-0' (ffff8880946d9cd0): fill_kobj_path: path = '/devices/virtual/net/veth141/queues/rx-0' kobject: 'tx-0' (ffff8880748bfcd8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880748bfcd8): kobject_uevent_env kobject: 'tx-0' (ffff8880748bfcd8): fill_kobj_path: path = '/devices/virtual/net/veth141/queues/tx-0' kobject: 'batman_adv' (ffff888093775d00): kobject_add_internal: parent: 'veth141', set: '' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'veth196' (ffff88805c3e2cb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth196' (ffff88805c3e2cb0): kobject_uevent_env kobject: 'veth196' (ffff88805c3e2cb0): fill_kobj_path: path = '/devices/virtual/net/veth196' kobject: 'queues' (ffff888075708748): kobject_add_internal: parent: 'veth196', set: '' kobject: 'queues' (ffff888075708748): kobject_uevent_env kobject: 'queues' (ffff888075708748): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809868e190): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809868e190): kobject_uevent_env kobject: 'rx-0' (ffff88809868e190): fill_kobj_path: path = '/devices/virtual/net/veth196/queues/rx-0' kobject: 'tx-0' (ffff88809a37aad8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809a37aad8): kobject_uevent_env kobject: 'tx-0' (ffff88809a37aad8): fill_kobj_path: path = '/devices/virtual/net/veth196/queues/tx-0' kobject: 'batman_adv' (ffff88808f0b9c80): kobject_add_internal: parent: 'veth196', set: '' kobject: 'veth197' (ffff88807eaa2fb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth197' (ffff88807eaa2fb0): kobject_uevent_env kobject: 'veth197' (ffff88807eaa2fb0): fill_kobj_path: path = '/devices/virtual/net/veth197' kobject: 'queues' (ffff888079f8f548): kobject_add_internal: parent: 'veth197', set: '' kobject: 'queues' (ffff888079f8f548): kobject_uevent_env kobject: 'queues' (ffff888079f8f548): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888058ec7610): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888058ec7610): kobject_uevent_env kobject: 'rx-0' (ffff888058ec7610): fill_kobj_path: path = '/devices/virtual/net/veth197/queues/rx-0' kobject: 'tx-0' (ffff8880908b2858): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff8880908b2858): kobject_uevent_env kobject: 'tx-0' (ffff8880908b2858): fill_kobj_path: path = '/devices/virtual/net/veth197/queues/tx-0' kobject: 'batman_adv' (ffff888057585f00): kobject_add_internal: parent: 'veth197', set: '' IPv6: ADDRCONF(NETDEV_UP): veth197: link is not ready team0: Port device veth197 added netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'veth464' (ffff8880a06f0770): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth464' (ffff8880a06f0770): kobject_uevent_env kobject: 'veth464' (ffff8880a06f0770): fill_kobj_path: path = '/devices/virtual/net/veth464' kobject: 'queues' (ffff888083e2f748): kobject_add_internal: parent: 'veth464', set: '' kobject: 'queues' (ffff888083e2f748): kobject_uevent_env kobject: 'queues' (ffff888083e2f748): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff888075e500d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff888075e500d0): kobject_uevent_env kobject: 'rx-0' (ffff888075e500d0): fill_kobj_path: path = '/devices/virtual/net/veth464/queues/rx-0' kobject: 'tx-0' (ffff888000465098): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888000465098): kobject_uevent_env kobject: 'loop3' (ffff8880a41deea0): kobject_uevent_env kobject: 'tx-0' (ffff888000465098): fill_kobj_path: path = '/devices/virtual/net/veth464/queues/tx-0' kobject: 'loop3' (ffff8880a41deea0): fill_kobj_path: path = '/devices/virtual/block/loop3'