IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready INFO: task syz-executor5:24267 blocked for more than 140 seconds. Not tainted 4.19.0+ #299 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D23216 24267 19653 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3575 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0xbe7/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 evdev_flush+0x74/0x150 drivers/input/evdev.c:356 filp_close+0x154/0x250 fs/open.c:1140 __close_fd+0x245/0x3a0 fs/file.c:635 __do_sys_close fs/open.c:1159 [inline] __se_sys_close fs/open.c:1157 [inline] __x64_sys_close+0x72/0xf0 fs/open.c:1157 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: 83 c4 40 c3 48 8d 05 16 ef 48 00 48 89 04 24 48 c7 44 24 08 0d 00 00 00 e8 ac a8 01 00 0f 0b 48 8d 05 fb ee 48 00 48 89 04 24 <48> c7 44 24 08 0d 00 00 00 e8 91 a8 01 00 0f 0b e8 1a 8f 04 00 e9 RSP: 002b:0000000000a3fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000005 RBP: 0000000000000000 R08: 000000008136d717 R09: 0000000000000000 R10: 0000000000a3fcc0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000009d R15: 0000000000000005 INFO: task syz-executor2:24268 blocked for more than 140 seconds. Not tainted 4.19.0+ #299 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D23216 24268 19652 0x00000006 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3575 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0xbe7/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 evdev_close_device drivers/input/evdev.c:447 [inline] evdev_release+0xfe/0x1e0 drivers/input/evdev.c:488 __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+0x155e/0x1980 kernel/signal.c:2343 do_signal+0x9c/0x21e0 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_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: 83 c4 40 c3 48 8d 05 16 ef 48 00 48 89 04 24 48 c7 44 24 08 0d 00 00 00 e8 ac a8 01 00 0f 0b 48 8d 05 fb ee 48 00 48 89 04 24 <48> c7 44 24 08 0d 00 00 00 e8 91 a8 01 00 0f 0b e8 1a 8f 04 00 e9 RSP: 002b:0000000000a3fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000730590 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000000008136d717 R09: 0000000000000000 R10: 0000000000a3fcc0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000a0 R15: 0000000000000002 Showing all locks held in the system: 1 lock held by khungtaskd/983: #0: 00000000dfdb1c39 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4435 1 lock held by rsyslogd/5201: #0: 000000004b45dd49 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/5301: #0: 00000000344b756b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000002a520fb4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5302: #0: 0000000092a5dac3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000006e9f10d2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5303: #0: 000000005453fcca (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000005356277c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5304: #0: 00000000a03374e3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000f0617115 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5305: #0: 00000000af0b7cb6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000081ce3eb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5306: #0: 00000000f812d058 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000007781f212 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5307: #0: 000000007ee041f5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000030b5d607 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 1 lock held by syz-executor5/24267: #0: 000000004d2581fa (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor2/24268: #0: 000000004d2581fa (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: 000000004d2581fa (&evdev->mutex){+.+.}, at: evdev_release+0xfe/0x1e0 drivers/input/evdev.c:488 1 lock held by syz-executor0/24275: #0: 000000004d2581fa (&evdev->mutex){+.+.}, at: evdev_ioctl_handler+0x82/0x1a0 drivers/input/evdev.c:1298 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 983 Comm: khungtaskd Not tainted 4.19.0+ #299 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+0x1c4/0x2b6 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed 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:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb3e/0x1050 kernel/hung_task.c:265 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 1 to CPUs 0: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.210 msecs NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0+ #299 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__write_once_size include/linux/compiler.h:215 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 kernel/kcov.c:109 Code: 90 d0 12 00 00 83 fa 02 75 20 48 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 55 40 0f b6 d6 40 0f b6 f7 31 ff 48 89 e5 48 8b 4d RSP: 0018:ffff8801dae07a20 EFLAGS: 00000006 RAX: ffffffff89276e40 RBX: 1ffff1003b5c0f49 RCX: ffffffff8184c05a RDX: 0000000000000100 RSI: ffffffff8184c0b6 RDI: 0000000000000005 RBP: ffff8801dae07a20 R08: ffffffff89276e40 R09: 0000000000000001 R10: fffffbfff1460001 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff89276e40 R14: ffff8801dae07e68 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001c7c7e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_on+0xf6/0x310 kernel/trace/trace_preemptirq.c:25 __do_softirq+0x298/0xb03 kernel/softirq.c:276 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 scheduler_ipi+0x55a/0xad0 kernel/sched/core.c:1780 smp_reschedule_interrupt+0x109/0x650 arch/x86/kernel/smp.c:278 reschedule_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:888 RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57 Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 a3 1c 11 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 92 1c 11 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffffffff89207bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 RAX: dffffc0000000000 RBX: 1ffffffff1240f7b RCX: 0000000000000000 RDX: 1ffffffff1263e44 RSI: 0000000000000001 RDI: ffffffff8931f220 RBP: ffffffff89207bb8 R08: ffffffff89276e40 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89207c78 R13: ffffffff89f3f120 R14: 0000000000000000 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [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+0x3db/0x5b0 kernel/sched/idle.c:262 cpu_startup_entry+0x10c/0x120 kernel/sched/idle.c:368 rest_init+0xe2/0xe5 init/main.c:442 start_kernel+0x8f4/0x92f init/main.c:739 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243