ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! ip6_tunnel: ip6tnl2 xmit: Local address not yet configured! INFO: task syz-executor.0:15382 blocked for more than 140 seconds. Not tainted 4.14.113+ #61 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28808 15382 3589 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 evdev_flush+0x6d/0x120 drivers/input/evdev.c:350 filp_close+0xa0/0x130 fs/open.c:1154 INFO: task syz-executor.0:15388 blocked for more than 140 seconds. Not tainted 4.14.113+ #61 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29568 15388 3589 0x80000006 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 evdev_flush+0x6d/0x120 drivers/input/evdev.c:350 filp_close+0xa0/0x130 fs/open.c:1154 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [<00000000ed210190>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4544 2 locks held by getty/1764: #0: (&tty->ldisc_sem){++++}, at: [<000000003e1d1ee1>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<000000000720ae96>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.0/15382: #0: (&evdev->mutex){+.+.}, at: [<00000000f5bf74c8>] evdev_flush+0x6d/0x120 drivers/input/evdev.c:350 1 lock held by syz-executor.0/15388: #0: (&evdev->mutex){+.+.}, at: [<00000000f5bf74c8>] evdev_flush+0x6d/0x120 drivers/input/evdev.c:350 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 23 Comm: khungtaskd Not tainted 4.14.113+ #61 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 28768 Comm: syz-executor.5 Not tainted 4.14.113+ #61 task: 00000000107f2310 task.stack: 000000006c3f9f23 RIP: 0010:lock_is_held_type+0xd/0x150 kernel/locking/lockdep.c:4021 RSP: 0018:ffff8881a205fe40 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff2342558 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff918d3320 RBP: ffff8881a205fe80 R08: 0000000000000005 R09: 0000000000000006 R10: 1ffff1103440bff9 R11: 0000000000000000 R12: ffffffff912ceb40 R13: 0000000000000437 R14: 0000000000000007 R15: 0000000000000000 FS: 00007f977133d700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400300 CR3: 00000001d6eb4003 CR4: 00000000001606a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_is_held include/linux/lockdep.h:437 [inline] ___might_sleep+0x203/0x280 kernel/sched/core.c:6084 Code: e8 99 9c 33 00 e9 39 ff ff ff e8 6f 9c 33 00 e9 5a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 54 55 <48> 89 fd 53 65 48 8b 1c 25 c0 de 01 00 48 8d bb 2c 08 00 00 48