ip6_tunnel: h´Lœ®UÔÓĪ xmit: Local address not yet configured! INFO: task syz-executor.0:2100 blocked for more than 140 seconds. Not tainted 4.9.168+ #40 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28056 2100 2057 0x00000004 ffff8801c8bc4740 0000000000000000 ffff8801db721000 ffff8801da6b2f80 ffff8801db721018 ffff8801d5c87680 ffffffff8280028e 0000000000000246 ffff8801c8bc4740 0000000000000000 ffff8801db7218f0 1ffff1003ab90ebf Call Trace: [<0000000090fbf9fb>] schedule+0x92/0x1c0 kernel/sched/core.c:3546 [<00000000eaa8b30a>] __rt_mutex_slowlock+0x99/0x290 kernel/locking/rtmutex.c:1221 [<00000000d14ed7c7>] rt_mutex_slowlock+0x199/0x4c0 kernel/locking/rtmutex.c:1293 [<000000000ba0cd66>] rt_mutex_fastlock kernel/locking/rtmutex.c:1439 [inline] [<000000000ba0cd66>] rt_mutex_lock+0x2d/0x40 kernel/locking/rtmutex.c:1499 [<0000000095dee3b4>] process_notifier drivers/misc/uid_sys_stats.c:636 [inline] [<0000000095dee3b4>] process_notifier+0x96/0x670 drivers/misc/uid_sys_stats.c:625 [<0000000038ee40cc>] notifier_call_chain+0xb4/0x1d0 kernel/notifier.c:93 [<000000006989eea9>] __blocking_notifier_call_chain kernel/notifier.c:317 [inline] [<000000006989eea9>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] [<000000006989eea9>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] [<000000006989eea9>] blocking_notifier_call_chain+0x80/0xa0 kernel/notifier.c:325 [<0000000024f69135>] profile_task_exit+0x1f/0x30 kernel/profile.c:140 [<00000000e89deccd>] do_exit+0x90/0x2aa0 kernel/exit.c:744 [<00000000e6f60837>] do_group_exit+0x111/0x300 kernel/exit.c:945 [<00000000c8603c78>] get_signal+0x348/0x1aa0 kernel/signal.c:2380 [<00000000891f6c74>] do_signal+0x9c/0x1920 arch/x86/kernel/signal.c:807 [<0000000090aafe06>] exit_to_usermode_loop+0x11c/0x160 arch/x86/entry/common.c:158 [<00000000814c8938>] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] [<00000000814c8938>] syscall_return_slowpath arch/x86/entry/common.c:263 [inline] [<00000000814c8938>] do_syscall_64+0x3f7/0x570 arch/x86/entry/common.c:290 [<000000000c843ea8>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Showing all locks held in the system: 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [<000000006b4430b8>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline] #0: (rcu_read_lock){......}, at: [<000000006b4430b8>] watchdog+0x13c/0xae0 kernel/hung_task.c:239 #1: (tasklist_lock){.+.+..}, at: [<00000000d4b21b5a>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4339 1 lock held by rsyslogd/1891: #0: (&f->f_pos_lock){+.+.+.}, at: [<00000000ce861f26>] __fdget_pos+0xa8/0xd0 fs/file.c:782 2 locks held by getty/2018: #0: (&tty->ldisc_sem){++++++}, at: [<0000000011d4d9ba>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+...}, at: [<000000002dd3fb2b>] n_tty_read+0x1fe/0x1820 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.0/2100: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/2101: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.3/5742: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kworker/dying/16132: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kworker/dying/16515: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kworker/dying/19946: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kworker/dying/31648: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.0/4157: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.3/4202: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.3/4208: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/4351: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/4353: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/4354: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/4355: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/4356: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/4357: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/4358: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/4359: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/4360: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<000000009bede9c2>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.168+ #40 ffff8801d98d7cc8 ffffffff81b4f5d1 0000000000000000 0000000000000000 0000000000000000 ffffffff81097401 dffffc0000000000 ffff8801d98d7d00 ffffffff81b5a86c 0000000000000000 0000000000000000 0000000000000000 Call Trace: [<0000000061a3defc>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000061a3defc>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000014a8d8d3>] nmi_cpu_backtrace.cold+0x47/0x87 lib/nmi_backtrace.c:99 [<00000000f9f5fdae>] nmi_trigger_cpumask_backtrace+0x124/0x155 lib/nmi_backtrace.c:60 [<00000000d8659116>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [<000000002e090aa0>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [<000000002e090aa0>] check_hung_task kernel/hung_task.c:125 [inline] [<000000002e090aa0>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [<000000002e090aa0>] watchdog+0x661/0xae0 kernel/hung_task.c:239 [<00000000ca04950f>] kthread+0x278/0x310 kernel/kthread.c:211 [<00000000a37a629c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at pc 0xffffffff8280f302