team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves INFO: task kworker/1:2:10289 blocked for more than 140 seconds. Not tainted 5.0.0-rc4+ #21 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:2 D27056 10289 2 0x80000000 Workqueue: events switchdev_deferred_process_work Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:150 process_one_work+0x98e/0x1760 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 INFO: task kworker/0:3:30238 blocked for more than 140 seconds. Not tainted 5.0.0-rc4+ #21 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:3 D27056 30238 2 0x80000000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 linkwatch_event+0xf/0x70 net/core/link_watch.c:236 process_one_work+0x98e/0x1760 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 INFO: task syz-executor2:8770 blocked for more than 140 seconds. Not tainted 5.0.0-rc4+ #21 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D28224 8770 8397 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 tun_detach drivers/net/tun.c:741 [inline] tun_chr_close+0x3f/0x180 drivers/net/tun.c:3436 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 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+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411d41 Code: 00 00 8b b3 30 01 00 00 31 c0 bf d0 36 44 00 e8 05 f3 00 00 8b b3 08 01 00 00 31 c0 bf e4 36 44 00 e8 f3 f2 00 00 8b 83 e0 00 <00> 00 48 89 ee bf f9 36 44 00 85 c0 49 0f 44 f4 31 c0 e8 d8 f2 00 RSP: 002b:00007ffc476e9da0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411d41 RDX: 0000000000000000 RSI: 0000000000740d10 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000000000034a67c R09: 000000000034a67c R10: 00007ffc476e9cd0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000000b R15: 0000000000000002 INFO: task syz-executor2:8821 blocked for more than 140 seconds. kobject: 'rx-0' (0000000041321ecf): kobject_cleanup, parent 00000000551fe7ae Not tainted 5.0.0-rc4+ #21 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D28912 8821 8397 0x00000004 kobject: 'rx-0' (0000000041321ecf): auto cleanup 'remove' event Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 kobject: 'rx-0' (0000000041321ecf): kobject_uevent_env kobject: 'rx-0' (0000000041321ecf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000041321ecf): auto cleanup kobject_del mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 __tun_chr_ioctl+0x3c9/0x3e50 drivers/net/tun.c:3060 kobject: 'rx-0' (0000000041321ecf): calling ktype release tun_chr_ioctl+0x2b/0x40 drivers/net/tun.c:3342 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 kobject: 'rx-0': free name kobject: 'tx-0' (0000000079abdc17): kobject_cleanup, parent 00000000551fe7ae ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: Bad RIP value. RSP: 002b:00007f9cbb2d6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0004000000000001 RSI: 00000000400454d0 RDI: 0000000000000009 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9cbb2d76d4 R13: 00000000004c2330 R14: 00000000004d4be0 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1039: #0: 000000008199c752 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389 kobject: 'tx-0' (0000000079abdc17): auto cleanup 'remove' event 1 lock held by rsyslogd/7415: kobject: 'tx-0' (0000000079abdc17): kobject_uevent_env 2 locks held by getty/7528: #0: 00000000d4361573 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000007c6b0c56 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7529: #0: 00000000d521a362 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 kobject: 'tx-0' (0000000079abdc17): kobject_uevent_env: uevent_suppress caused the event to drop! #1: 0000000057676839 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7530: #0: 000000004e3e3d92 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000001370fdca (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 kobject: 'tx-0' (0000000079abdc17): auto cleanup kobject_del 2 locks held by getty/7531: #0: 000000007da82f22 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000058475856 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7532: #0: 00000000480a2367 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 kobject: 'tx-0' (0000000079abdc17): calling ktype release #1: 000000007c890ddf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7533: #0: 0000000056a410f7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004c5e7529 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7534: #0: 0000000068bcf9ef (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004b0eb3c4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 kobject: 'tx-0': free name 7 locks held by kworker/u4:6/7741: kobject: 'queues' (00000000551fe7ae): kobject_cleanup, parent (null) 3 locks held by kworker/1:2/10289: kobject: 'queues' (00000000551fe7ae): calling ktype release #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: process_one_work+0x87e/0x1760 kernel/workqueue.c:2124 kobject: 'queues' (00000000551fe7ae): kset_release #1: 000000004b0897fa (deferred_process_work){+.+.}, at: process_one_work+0x8b4/0x1760 kernel/workqueue.c:2128 kobject: 'queues': free name #2: 000000005f370daa (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 kobject: '27' (000000007337fd1d): kobject_uevent_env 3 locks held by kworker/0:3/30238: kobject: '27' (000000007337fd1d): kobject_uevent_env: uevent_suppress caused the event to drop! #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000eda2da83 ((wq_completion)"events"){+.+.}, at: process_one_work+0x87e/0x1760 kernel/workqueue.c:2124 kobject: 'batman_adv' (000000005aaec0a1): kobject_uevent_env #1: 0000000026a7d094 ((linkwatch_work).work){+.+.}, at: process_one_work+0x8b4/0x1760 kernel/workqueue.c:2128 kobject: 'batman_adv' (000000005aaec0a1): kobject_uevent_env: filter function caused the event to drop! #2: 000000005f370daa (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 3 locks held by kworker/1:4/8068: #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 000000009ffda891 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x87e/0x1760 kernel/workqueue.c:2124 #1: 00000000a99dd0f8 ((addr_chk_work).work){+.+.}, at: process_one_work+0x8b4/0x1760 kernel/workqueue.c:2128 #2: 000000005f370daa (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 1 lock held by syz-executor2/8770: #0: 000000005f370daa (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 1 lock held by syz-executor2/8821: #0: 000000005f370daa (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 kobject: 'batman_adv' (000000005aaec0a1): kobject_cleanup, parent (null) ============================================= kobject: 'batman_adv' (000000005aaec0a1): calling ktype release NMI backtrace for cpu 0 kobject: (000000005aaec0a1): dynamic_kobj_release CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 5.0.0-rc4+ #21 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 kobject: 'batman_adv': free name nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 19301 Comm: kworker/u4:3 Not tainted 5.0.0-rc4+ #21 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:__lock_acquire+0x221/0x4700 kernel/locking/lockdep.c:3255 Code: 00 00 00 00 fc ff df 48 8d 78 20 49 89 f9 49 c1 e9 03 41 0f b6 34 31 40 84 f6 74 0a 40 80 fe 03 0f 8e 65 2e 00 00 0f b7 70 20 <81> e6 ff 1f 00 00 44 39 f6 75 0f 48 83 bc 24 98 00 00 00 00 0f 85 RSP: 0018:ffff88804dd97a80 EFLAGS: 00000046 RAX: ffff8880503a0d28 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000001 RSI: 000000000000055c RDI: ffff8880503a0d48 RBP: ffff88804dd97c50 R08: 0000000000000002 R09: 1ffff1100a0741a9 R10: 0000000000000050 R11: 0000000000000000 R12: ffffffff889a4200 R13: 0000000000000000 R14: 000000000000002b R15: ffff8880503a0480 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000096f78000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 rcu_lock_acquire include/linux/rcupdate.h:223 [inline] rcu_read_lock include/linux/rcupdate.h:607 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x117/0x760 net/batman-adv/network-coding.c:730 process_one_work+0x98e/0x1760 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352