IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.20.0-rc3+ #245 Not tainted ----------------------------------------------------- syz-executor4/8479 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 00000000b05fe4d5 (&ctx->fd_wqh){....}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000b05fe4d5 (&ctx->fd_wqh){....}, at: aio_poll+0x760/0x1420 fs/aio.c:1747 and this task is already holding: 00000000ef505feb (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000ef505feb (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 fs/aio.c:1746 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x61/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xbc/0x710 fs/aio.c:603 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x563/0x730 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57 arch_safe_halt arch/x86/include/asm/paravirt.h:151 [inline] default_idle+0xbf/0x490 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x49b/0x5c0 kernel/sched/idle.c:262 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:353 rest_init+0x243/0x372 init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x9f0/0xa2b init/main.c:745 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:472 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 to a SOFTIRQ-irq-unsafe lock: (&ctx->fault_pending_wqh){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x63e/0x8d0 fs/userfaultfd.c:909 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 get_signal+0x1558/0x1980 kernel/signal.c:2347 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_32_irqs_on arch/x86/entry/common.c:341 [inline] do_fast_syscall_32+0xcd5/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 other info that might help us debug this: Chain exists of: &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->fault_pending_wqh); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&ctx->fd_wqh); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor4/8479: #0: 00000000ef505feb (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 00000000ef505feb (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 fs/aio.c:1746 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} { IN-SOFTIRQ-W at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x61/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xbc/0x710 fs/aio.c:603 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x563/0x730 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57 arch_safe_halt arch/x86/include/asm/paravirt.h:151 [inline] default_idle+0xbf/0x490 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x49b/0x5c0 kernel/sched/idle.c:262 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:353 rest_init+0x243/0x372 init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x9f0/0xa2b init/main.c:745 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:472 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 INITIAL USE at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x61/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xbc/0x710 fs/aio.c:603 percpu_ref_put_many include/linux/percpu-refcount.h:285 [inline] percpu_ref_put include/linux/percpu-refcount.h:301 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x563/0x730 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57 arch_safe_halt arch/x86/include/asm/paravirt.h:151 [inline] default_idle+0xbf/0x490 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x49b/0x5c0 kernel/sched/idle.c:262 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:353 rest_init+0x243/0x372 init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x9f0/0xa2b init/main.c:745 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:472 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 } ... key at: [] __key.51004+0x0/0x40 ... acquired at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x760/0x1420 fs/aio.c:1747 io_submit_one+0xa49/0xf80 fs/aio.c:1850 __do_compat_sys_io_submit fs/aio.c:1956 [inline] __se_compat_sys_io_submit fs/aio.c:1927 [inline] __ia32_compat_sys_io_submit+0x1b4/0x580 fs/aio.c:1927 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&ctx->fault_pending_wqh){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x63e/0x8d0 fs/userfaultfd.c:909 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 get_signal+0x1558/0x1980 kernel/signal.c:2347 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_32_irqs_on arch/x86/entry/common.c:341 [inline] do_fast_syscall_32+0xcd5/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 SOFTIRQ-ON-W at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x63e/0x8d0 fs/userfaultfd.c:909 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 get_signal+0x1558/0x1980 kernel/signal.c:2347 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_32_irqs_on arch/x86/entry/common.c:341 [inline] do_fast_syscall_32+0xcd5/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 INITIAL USE at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_ctx_read+0x4f3/0x2180 fs/userfaultfd.c:1033 userfaultfd_read+0x1e2/0x2c0 fs/userfaultfd.c:1191 __vfs_read+0x117/0x9b0 fs/read_write.c:416 vfs_read+0x17f/0x3c0 fs/read_write.c:452 ksys_read+0x101/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __ia32_sys_read+0x71/0xb0 fs/read_write.c:586 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 } ... key at: [] __key.44608+0x0/0x40 ... acquired at: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_ctx_read+0x4f3/0x2180 fs/userfaultfd.c:1033 userfaultfd_read+0x1e2/0x2c0 fs/userfaultfd.c:1191 __vfs_read+0x117/0x9b0 fs/read_write.c:416 vfs_read+0x17f/0x3c0 fs/read_write.c:452 ksys_read+0x101/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __ia32_sys_read+0x71/0xb0 fs/read_write.c:586 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 -> (&ctx->fd_wqh){....} { INITIAL USE at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x61/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] userfaultfd_ctx_read+0x2e4/0x2180 fs/userfaultfd.c:1029 userfaultfd_read+0x1e2/0x2c0 fs/userfaultfd.c:1191 __vfs_read+0x117/0x9b0 fs/read_write.c:416 vfs_read+0x17f/0x3c0 fs/read_write.c:452 ksys_read+0x101/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __ia32_sys_read+0x71/0xb0 fs/read_write.c:586 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 } ... key at: [] __key.44611+0x0/0x40 ... acquired at: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x760/0x1420 fs/aio.c:1747 io_submit_one+0xa49/0xf80 fs/aio.c:1850 __do_compat_sys_io_submit fs/aio.c:1956 [inline] __se_compat_sys_io_submit fs/aio.c:1927 [inline] __ia32_compat_sys_io_submit+0x1b4/0x580 fs/aio.c:1927 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 stack backtrace: CPU: 1 PID: 8479 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #245 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+0x244/0x39d lib/dump_stack.c:113 print_bad_irq_dependency kernel/locking/lockdep.c:1570 [inline] check_usage.cold.58+0x6d5/0xad1 kernel/locking/lockdep.c:1602 check_irq_usage kernel/locking/lockdep.c:1658 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1868 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2347 [inline] __lock_acquire+0x238a/0x4c20 kernel/locking/lockdep.c:3341 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll+0x760/0x1420 fs/aio.c:1747 io_submit_one+0xa49/0xf80 fs/aio.c:1850 __do_compat_sys_io_submit fs/aio.c:1956 [inline] __se_compat_sys_io_submit fs/aio.c:1927 [inline] __ia32_compat_sys_io_submit+0x1b4/0x580 fs/aio.c:1927 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f10a29 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7ec10cc EFLAGS: 00000296 ORIG_RAX: 00000000000000f8 RAX: ffffffffffffffda RBX: 00000000f7ee3000 RCX: 0000000000000001 RDX: 0000000020000b00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env kobject: 'loop3' (00000000778e48d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e8b41f07): kobject_uevent_env kobject: 'loop1' (00000000e8b41f07): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000a6436ce7): kobject_uevent_env kobject: 'loop4' (00000000a6436ce7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005559a953): kobject_uevent_env kobject: 'loop2' (000000005559a953): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000001177e17): kobject_uevent_env kobject: 'loop0' (0000000001177e17): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000449b012): kobject_uevent_env kobject: 'loop5' (000000000449b012): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000778e48d0): kobject_uevent_env