netlink: 60 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor5': attribute type 21 has an invalid length. netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 60 bytes leftover after parsing attributes in process `syz-executor4'. ====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #3 Not tainted ------------------------------------------------------ swapper/0/0 is trying to acquire lock: 00000000d5e09ae4 (nr_list_lock){+.-.}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] 00000000d5e09ae4 (nr_list_lock){+.-.}, at: nr_remove_socket net/netrom/af_netrom.c:96 [inline] 00000000d5e09ae4 (nr_list_lock){+.-.}, at: nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 but task is already holding lock: 000000001413851f (slock-AF_NETROM){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000001413851f (slock-AF_NETROM){+.-.}, at: nr_destroy_timer+0x32/0x90 net/netrom/af_netrom.c:247 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (slock-AF_NETROM){+.-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] nr_find_socket+0x117/0x160 net/netrom/af_netrom.c:177 nr_rx_frame+0x38c/0x1d50 net/netrom/af_netrom.c:919 nr_loopback_timer+0x7b/0x170 net/netrom/nr_loopback.c:62 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 arch_local_save_flags arch/x86/include/asm/paravirt.h:761 [inline] arch_local_irq_save arch/x86/include/asm/paravirt.h:783 [inline] lock_is_held_type+0x87/0x210 kernel/locking/lockdep.c:3875 lock_is_held include/linux/lockdep.h:337 [inline] xa_entry include/linux/xarray.h:902 [inline] xas_next_entry include/linux/xarray.h:1327 [inline] filemap_map_pages+0xd05/0x19e0 mm/filemap.c:2549 do_fault_around mm/memory.c:3369 [inline] do_read_fault mm/memory.c:3403 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x3f7e/0x56d0 mm/memory.c:3889 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 -> #0 (nr_list_lock){+.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] nr_remove_socket net/netrom/af_netrom.c:96 [inline] nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 nr_destroy_timer+0x42/0x90 net/netrom/af_netrom.c:249 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:57 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:555 default_idle_call+0x36/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x386/0x5d0 kernel/sched/idle.c:262 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:353 rest_init+0x245/0x37b init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:741 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(slock-AF_NETROM); lock(nr_list_lock); lock(slock-AF_NETROM); lock(nr_list_lock); *** DEADLOCK *** 2 locks held by swapper/0/0: #0: 0000000064f856ae ((&sk->sk_timer)#2){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:171 [inline] #0: 0000000064f856ae ((&sk->sk_timer)#2){+.-.}, at: call_timer_fn+0x1b4/0x900 kernel/time/timer.c:1315 #1: 000000001413851f (slock-AF_NETROM){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] #1: 000000001413851f (slock-AF_NETROM){+.-.}, at: nr_destroy_timer+0x32/0x90 net/netrom/af_netrom.c:247 stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.20.0+ #3 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+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] nr_remove_socket net/netrom/af_netrom.c:96 [inline] nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 nr_destroy_timer+0x42/0x90 net/netrom/af_netrom.c:249 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:58 Code: ff ff ff 48 89 c7 48 89 45 d8 e8 c9 1a ce f9 48 8b 45 d8 e9 ce fe ff ff 48 89 df e8 b8 1a ce f9 eb 82 90 90 90 90 90 90 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90 RSP: 0018:ffffffff89807c60 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1324a09 RBX: 1ffffffff1300f8f RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8987b73c RBP: ffffffff89807d20 R08: ffffffff8987aec0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff89807cf8 R14: 0000000000000000 R15: ffffffff89925038 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:555 default_idle_call+0x36/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x386/0x5d0 kernel/sched/idle.c:262 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:353 rest_init+0x245/0x37b init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:741 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 kobject: 'loop1' (000000001d91b989): kobject_uevent_env netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001d91b989): kobject_uevent_env netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000001d91b989): kobject_uevent_env netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000b8263699): kobject_uevent_env bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: topology change detected, propagating bridge0: port 1(bridge_slave_0) entered forwarding state __nla_parse: 18 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. bridge0: topology change detected, propagating IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000013db465d): kobject_uevent_env kobject: 'loop3' (0000000013db465d): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000b5021017): kobject_uevent_env kobject: 'loop0' (00000000b5021017): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000b8263699): kobject_uevent_env kobject: 'loop5' (00000000b8263699): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000ab1e7c9d): kobject_uevent_env kobject: 'loop2' (00000000ab1e7c9d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000001d91b989): kobject_uevent_env kobject: 'loop1' (000000001d91b989): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000000a294a6d): kobject_uevent_env kobject: 'loop4' (000000000a294a6d): fill_kobj_path: path = '/devices/virtual/block/loop4'