===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 5.0.0-rc4+ #50 Not tainted ----------------------------------------------------- syz-executor3/10211 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 000000000e61a5b1 (&ctx->fault_pending_wqh){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000000e61a5b1 (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_ctx_read+0x690/0x2060 fs/userfaultfd.c:1040 and this task is already holding: 0000000069be3f53 (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 0000000069be3f53 (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read+0x25e/0x2060 fs/userfaultfd.c:1036 which would create a new lock dependency: (&ctx->fd_wqh){....} -> (&ctx->fault_pending_wqh){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 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+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:654 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 to a SOFTIRQ-irq-unsafe lock: (&ctx->fault_pending_wqh){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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-executor3/10211: #0: 0000000069be3f53 (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 0000000069be3f53 (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read+0x25e/0x2060 fs/userfaultfd.c:1036 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} { IN-SOFTIRQ-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 kobject: 'loop4' (00000000a17a500e): kobject_uevent_env __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0xa7/0x6e0 fs/aio.c:610 kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' 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+0x50c/0x6b0 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2452 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline] rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:654 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] aio_poll+0x790/0x14e0 fs/aio.c:1771 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.51971+0x0/0x40 ... acquired at: __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] aio_poll+0x7b9/0x14e0 fs/aio.c:1772 __io_submit_one fs/aio.c:1875 [inline] io_submit_one+0xc39/0x1050 fs/aio.c:1908 __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit fs/aio.c:1923 [inline] __x64_sys_io_submit+0x1c4/0x5d0 fs/aio.c:1923 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> (&ctx->fd_wqh){....} { INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 userfaultfd_release+0x667/0x8c0 fs/userfaultfd.c:924 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.44853+0x0/0x40 ... acquired at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_ctx_read+0x690/0x2060 fs/userfaultfd.c:1040 userfaultfd_read+0x1e0/0x2c0 fs/userfaultfd.c:1198 __vfs_read+0x116/0xb20 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 ksys_read+0x105/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:586 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&ctx->fault_pending_wqh){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_release+0x609/0x8c0 fs/userfaultfd.c:916 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x32a/0x3b0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.44850+0x0/0x40 ... acquired at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_ctx_read+0x690/0x2060 fs/userfaultfd.c:1040 userfaultfd_read+0x1e0/0x2c0 fs/userfaultfd.c:1198 __vfs_read+0x116/0xb20 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env ksys_read+0x105/0x260 fs/read_write.c:578 __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:586 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 1 PID: 10211 Comm: syz-executor3 Not tainted 5.0.0-rc4+ #50 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_bad_irq_dependency kernel/locking/lockdep.c:1573 [inline] check_usage.cold+0x5e2/0x917 kernel/locking/lockdep.c:1605 check_irq_usage kernel/locking/lockdep.c:1661 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1871 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x2169/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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] userfaultfd_ctx_read+0x690/0x2060 fs/userfaultfd.c:1040 userfaultfd_read+0x1e0/0x2c0 fs/userfaultfd.c:1198 __vfs_read+0x116/0xb20 fs/read_write.c:416 vfs_read+0x194/0x3e0 fs/read_write.c:452 ksys_read+0x105/0x260 fs/read_write.c:578 kobject: 'loop4' (00000000a17a500e): kobject_uevent_env __do_sys_read fs/read_write.c:588 [inline] __se_sys_read fs/read_write.c:586 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:586 kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458089 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff5362e7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458089 RDX: 00000000000000e7 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5362e86d4 R13: 00000000004c3b77 R14: 00000000004d8500 R15: 00000000ffffffff kobject: 'batman_adv' (0000000053080b08): kobject_uevent_env kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'batman_adv' (0000000053080b08): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000053080b08): kobject_cleanup, parent (null) kobject: 'loop1' (0000000016d5a108): kobject_uevent_env kobject: 'batman_adv' (0000000053080b08): calling ktype release kobject: 'loop1' (0000000016d5a108): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: (0000000053080b08): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (0000000042bf6080): kobject_cleanup, parent 0000000010df0f72 kobject: 'rx-0' (0000000042bf6080): auto cleanup 'remove' event kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'rx-0' (0000000042bf6080): kobject_uevent_env kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (0000000042bf6080): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000042bf6080): auto cleanup kobject_del kobject: 'rx-0' (0000000042bf6080): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000023ca524a): kobject_cleanup, parent 0000000010df0f72 kobject: 'tx-0' (0000000023ca524a): auto cleanup 'remove' event kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'tx-0' (0000000023ca524a): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000023ca524a): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000023ca524a): auto cleanup kobject_del kobject: 'tx-0' (0000000023ca524a): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000010df0f72): kobject_cleanup, parent (null) kobject: 'queues' (0000000010df0f72): calling ktype release kobject: 'queues' (0000000010df0f72): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000c90e0070): kobject_uevent_env kobject: 'nr0' (00000000c90e0070): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (00000000c90e0070): kobject_cleanup, parent (null) kobject: 'nr0' (00000000c90e0070): calling ktype release kobject: 'nr0': free name kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (00000000e4b45dd7): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000e4b45dd7): kobject_uevent_env kobject: 'tun0' (00000000e4b45dd7): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (00000000eb9a5c62): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000eb9a5c62): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'queues' (00000000eb9a5c62): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000006dca554f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env kobject: 'rx-0' (000000006dca554f): kobject_uevent_env kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (000000006dca554f): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (000000009a53007c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000009a53007c): kobject_uevent_env kobject: 'tx-0' (000000009a53007c): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (000000006dca554f): kobject_cleanup, parent 00000000eb9a5c62 kobject: 'rx-0' (000000006dca554f): auto cleanup 'remove' event kobject: 'rx-0' (000000006dca554f): kobject_uevent_env kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'rx-0' (000000006dca554f): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000006dca554f): auto cleanup kobject_del kobject: 'rx-0' (000000006dca554f): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009a53007c): kobject_cleanup, parent 00000000eb9a5c62 kobject: 'tx-0' (000000009a53007c): auto cleanup 'remove' event kobject: 'tx-0' (000000009a53007c): kobject_uevent_env kobject: 'tx-0' (000000009a53007c): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000009a53007c): auto cleanup kobject_del kobject: 'tx-0' (000000009a53007c): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000eb9a5c62): kobject_cleanup, parent (null) kobject: 'queues' (00000000eb9a5c62): calling ktype release kobject: 'queues' (00000000eb9a5c62): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000e4b45dd7): kobject_uevent_env kobject: 'tun0' (00000000e4b45dd7): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000096f7e45): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000096f7e45): kobject_uevent_env kobject: 'tun0' (00000000096f7e45): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (0000000079f2087b): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (0000000079f2087b): kobject_uevent_env kobject: 'queues' (0000000079f2087b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f3cb4475): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f3cb4475): kobject_uevent_env kobject: 'rx-0' (00000000f3cb4475): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (000000002c5e3050): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000002c5e3050): kobject_uevent_env kobject: 'tx-0' (000000002c5e3050): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tun0' (00000000e4b45dd7): kobject_cleanup, parent (null) kobject: 'tun0' (00000000e4b45dd7): calling ktype release kobject: 'tun0': free name kobject: 'rx-0' (00000000f3cb4475): kobject_cleanup, parent 0000000079f2087b kobject: 'rx-0' (00000000f3cb4475): auto cleanup 'remove' event kobject: 'rx-0' (00000000f3cb4475): kobject_uevent_env kobject: 'rx-0' (00000000f3cb4475): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000f3cb4475): auto cleanup kobject_del kobject: 'rx-0' (00000000f3cb4475): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000002c5e3050): kobject_cleanup, parent 0000000079f2087b kobject: 'tx-0' (000000002c5e3050): auto cleanup 'remove' event kobject: 'tx-0' (000000002c5e3050): kobject_uevent_env kobject: 'tx-0' (000000002c5e3050): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000002c5e3050): auto cleanup kobject_del kobject: 'tx-0' (000000002c5e3050): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000079f2087b): kobject_cleanup, parent (null) kobject: 'queues' (0000000079f2087b): calling ktype release kobject: 'queues' (0000000079f2087b): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000096f7e45): kobject_uevent_env kobject: 'tun0' (00000000096f7e45): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000096f7e45): kobject_cleanup, parent (null) kobject: 'tun0' (00000000096f7e45): calling ktype release kobject: 'tun0': free name kobject: 'loop1' (0000000016d5a108): kobject_uevent_env kobject: 'loop1' (0000000016d5a108): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (000000009320269e): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env kobject: 'tun0' (000000009320269e): kobject_uevent_env kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tun0' (000000009320269e): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000009a2401ed): kobject_add_internal: parent: 'tun0', set: '' kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (000000009a2401ed): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'queues' (000000009a2401ed): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000e3e970b7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000e3e970b7): kobject_uevent_env kobject: 'rx-0' (00000000e3e970b7): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (000000000cdb872e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000000cdb872e): kobject_uevent_env kobject: 'tx-0' (000000000cdb872e): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000e3e970b7): kobject_cleanup, parent 000000009a2401ed kobject: 'rx-0' (00000000e3e970b7): auto cleanup 'remove' event kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env kobject: 'rx-0' (00000000e3e970b7): kobject_uevent_env kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000e3e970b7): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000e3e970b7): auto cleanup kobject_del kobject: 'rx-0' (00000000e3e970b7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000000cdb872e): kobject_cleanup, parent 000000009a2401ed kobject: 'tx-0' (000000000cdb872e): auto cleanup 'remove' event kobject: 'tx-0' (000000000cdb872e): kobject_uevent_env kobject: 'tx-0' (000000000cdb872e): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000000cdb872e): auto cleanup kobject_del kobject: 'tx-0' (000000000cdb872e): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009a2401ed): kobject_cleanup, parent (null) kobject: 'queues' (000000009a2401ed): calling ktype release kobject: 'queues' (000000009a2401ed): kset_release kobject: 'queues': free name kobject: 'tun0' (000000009320269e): kobject_uevent_env kobject: 'tun0' (000000009320269e): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (000000009320269e): kobject_cleanup, parent (null) kobject: 'tun0' (000000009320269e): calling ktype release kobject: 'tun0': free name kobject: 'loop1' (0000000016d5a108): kobject_uevent_env kobject: 'loop1' (0000000016d5a108): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tun0' (00000000b424fbf8): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tun0' (00000000b424fbf8): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (00000000b424fbf8): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'queues' (00000000469557f3): kobject_add_internal: parent: 'tun0', set: '' kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'queues' (00000000469557f3): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (00000000469557f3): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'rx-0' (00000000169fdbb0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000169fdbb0): kobject_uevent_env kobject: 'rx-0' (00000000169fdbb0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'tx-0' (000000009fa35efa): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000009fa35efa): kobject_uevent_env kobject: 'tx-0' (000000009fa35efa): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000169fdbb0): kobject_cleanup, parent 00000000469557f3 kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'rx-0' (00000000169fdbb0): auto cleanup 'remove' event kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000169fdbb0): kobject_uevent_env kobject: 'rx-0' (00000000169fdbb0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env kobject: 'rx-0' (00000000169fdbb0): auto cleanup kobject_del kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000169fdbb0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009fa35efa): kobject_cleanup, parent 00000000469557f3 kobject: 'tx-0' (000000009fa35efa): auto cleanup 'remove' event kobject: 'tx-0' (000000009fa35efa): kobject_uevent_env kobject: 'tx-0' (000000009fa35efa): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000009fa35efa): auto cleanup kobject_del kobject: 'tx-0' (000000009fa35efa): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000469557f3): kobject_cleanup, parent (null) kobject: 'queues' (00000000469557f3): calling ktype release kobject: 'queues' (00000000469557f3): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000b424fbf8): kobject_uevent_env kobject: 'tun0' (00000000b424fbf8): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000b424fbf8): kobject_cleanup, parent (null) kobject: 'tun0' (00000000b424fbf8): calling ktype release kobject: 'tun0': free name kobject: 'loop1' (0000000016d5a108): kobject_uevent_env kobject: 'loop1' (0000000016d5a108): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tun0' (00000000fbcf6cc0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (00000000fbcf6cc0): kobject_uevent_env kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tun0' (00000000fbcf6cc0): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'loop0' (00000000e3077ba9): kobject_uevent_env kobject: 'queues' (0000000012439218): kobject_add_internal: parent: 'tun0', set: '' kobject: 'loop0' (00000000e3077ba9): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (0000000012439218): kobject_uevent_env kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'queues' (0000000012439218): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'rx-0' (00000000d2f46f52): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000d2f46f52): kobject_uevent_env kobject: 'rx-0' (00000000d2f46f52): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'loop5' (000000008c663a4a): kobject_uevent_env kobject: 'tx-0' (000000001888b9d6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (000000008c663a4a): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000001888b9d6): kobject_uevent_env kobject: 'loop4' (00000000a17a500e): kobject_uevent_env kobject: 'tx-0' (000000001888b9d6): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'loop4' (00000000a17a500e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000646888ec): kobject_uevent_env kobject: 'loop2' (00000000646888ec): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000d2f46f52): kobject_cleanup, parent 0000000012439218 kobject: 'rx-0' (00000000d2f46f52): auto cleanup 'remove' event kobject: 'rx-0' (00000000d2f46f52): kobject_uevent_env kobject: 'rx-0' (00000000d2f46f52): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000d2f46f52): auto cleanup kobject_del kobject: 'rx-0' (00000000d2f46f52): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000001888b9d6): kobject_cleanup, parent 0000000012439218 kobject: 'tx-0' (000000001888b9d6): auto cleanup 'remove' event kobject: 'tx-0' (000000001888b9d6): kobject_uevent_env kobject: 'tx-0' (000000001888b9d6): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000001888b9d6): auto cleanup kobject_del kobject: 'tx-0' (000000001888b9d6): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000012439218): kobject_cleanup, parent (null) kobject: 'queues' (0000000012439218): calling ktype release kobject: 'queues' (0000000012439218): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000fbcf6cc0): kobject_uevent_env kobject: 'tun0' (00000000fbcf6cc0): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000fbcf6cc0): kobject_cleanup, parent (null) kobject: 'tun0' (00000000fbcf6cc0): calling ktype release kobject: 'tun0': free name kobject: 'loop1' (0000000016d5a108): kobject_uevent_env kobject: 'loop1' (0000000016d5a108): fill_kobj_path: path = '/devices/virtual/block/loop1'