IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 INFO: task syz-executor5:12980 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 D23160 12980 10554 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_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 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 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+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: cc cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 b1 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 <48> 8b 44 24 38 84 00 48 8b 4c 24 40 48 2b 0d b4 d2 c2 00 48 c1 e9 RSP: 002b:0000000000a3fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 00000000007304e8 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000a3fcb0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000001e R15: 0000000000000005 INFO: task syz-executor1:12985 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-executor1 D23160 12985 11080 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_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 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 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+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: cc cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 b1 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 <48> 8b 44 24 38 84 00 48 8b 4c 24 40 48 2b 0d b4 d2 c2 00 48 c1 e9 RSP: 002b:0000000000a3fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 00000000007304e8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000a3fcb0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000016 R15: 0000000000000001 INFO: task syz-executor4:12987 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-executor4 D23216 12987 11513 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_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 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 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+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: Bad RIP value. RSP: 002b:0000000000a3fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 00000000007304e8 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000a3fcb0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000011 R15: 0000000000000004 INFO: task syz-executor4:12995 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-executor4 D22744 12995 11513 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_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 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 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+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: Bad RIP value. RSP: 002b:00007f635fc72c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffea RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000020013000 RSI: 000000008040450a RDI: 0000000000000005 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f635fc736d4 R13: 00000000004bf3dd R14: 00000000004cf1f0 R15: 00000000ffffffff INFO: task syz-executor0:13002 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-executor0 D22376 13002 5387 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: Bad RIP value. RSP: 002b:0000000000a3fd90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 00000000007304e8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000a3fcb0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000007c R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/982: #0: 00000000e885ab38 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4435 1 lock held by rsyslogd/5243: #0: 00000000bcfa78cd (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/5333: #0: 000000001b637479 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000031a98370 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5334: #0: 00000000450dc828 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000e0686f14 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5335: #0: 00000000c299a1cd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000082ed2e2c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5336: #0: 00000000804dcc7a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000b6debe93 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5337: #0: 00000000e3823348 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000d2a0da45 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5338: #0: 00000000d7822200 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000002a682487 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5339: #0: 000000004f3d2e8a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000001e78ccaf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 1 lock held by syz-executor0/7083: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/8343: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/8428: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/8807: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/8927: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/9044: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/10122: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/10264: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/10694: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor5/11083: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor5/11180: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor1/11413: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/12382: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/12411: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor5/12463: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor1/12526: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor1/12595: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor0/12805: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor5/12836: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor4/12935: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor5/12980: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_release+0xfe/0x1e0 drivers/input/evdev.c:488 1 lock held by syz-executor1/12985: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_release+0xfe/0x1e0 drivers/input/evdev.c:488 1 lock held by syz-executor4/12987: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_release+0xfe/0x1e0 drivers/input/evdev.c:488 1 lock held by syz-executor4/12995: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:447 [inline] #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_release+0xfe/0x1e0 drivers/input/evdev.c:488 1 lock held by syz-executor0/13002: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_flush+0x74/0x150 drivers/input/evdev.c:356 1 lock held by syz-executor3/13004: #0: 00000000fe88cf06 (&evdev->mutex){+.+.}, at: evdev_ioctl_handler+0x82/0x1a0 drivers/input/evdev.c:1298 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 982 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 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57