ip6_tunnel: ip6tnl4 xmit: Local address not yet configured! ip6_tunnel: ip6tnl10 xmit: Local address not yet configured! ip6_tunnel: ip6tnl8 xmit: Local address not yet configured! ip6_tunnel: ip6tnl3 xmit: Local address not yet configured! ip6_tunnel: ip6tnl3 xmit: Local address not yet configured! INFO: rcu_preempt self-detected stall on CPU 1-...: (10499 ticks this GP) idle=a4e/140000000000001/0 softirq=82397/82397 fqs=5188 (t=10500 jiffies g=25050 c=25049 q=3188) NMI backtrace for cpu 1 CPU: 1 PID: 906 Comm: syz-executor0 Not tainted 4.14.90+ #29 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x11b lib/dump_stack.c:53 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline] rcu_dump_cpu_stacks+0x171/0x1bf kernel/rcu/tree.c:1396 print_cpu_stall kernel/rcu/tree.c:1542 [inline] check_cpu_stall kernel/rcu/tree.c:1610 [inline] __rcu_pending kernel/rcu/tree.c:3382 [inline] rcu_pending kernel/rcu/tree.c:3444 [inline] rcu_check_callbacks.cold.56+0x478/0xd99 kernel/rcu/tree.c:2784 update_process_times+0x24/0x60 kernel/time/timer.c:1588 tick_sched_handle.isra.8+0x73/0x150 kernel/time/tick-sched.c:161 tick_sched_timer+0x7e/0x160 kernel/time/tick-sched.c:1321 __run_hrtimer kernel/time/hrtimer.c:1259 [inline] __hrtimer_run_queues+0x2d0/0xc10 kernel/time/hrtimer.c:1323 hrtimer_interrupt+0x19a/0x440 kernel/time/hrtimer.c:1357 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] smp_apic_timer_interrupt+0x13a/0x600 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0x84/0x90 arch/x86/entry/entry_64.S:787 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:atomic64_read arch/x86/include/asm/atomic64_64.h:22 [inline] RIP: 0010:atomic_long_read include/asm-generic/atomic-long.h:45 [inline] RIP: 0010:perf_event_count kernel/events/core.c:3720 [inline] RIP: 0010:perf_output_read_group kernel/events/core.c:5872 [inline] RIP: 0010:perf_output_read+0x547/0xfb0 kernel/events/core.c:5909 RSP: 0018:ffff8881cc4af2f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000040000 RBX: ffff8881cc4af5f8 RCX: 0000000000040000 RDX: ffffffff813e91f7 RSI: ffffc90002551000 RDI: ffff8881b1945e08 RBP: ffff8881b1945d80 R08: ffffed103977e151 R09: ffffed103977e14f R10: ffffed103977e150 R11: ffff8881cbbf0a87 R12: 0000000000000000 R13: 0000000000000010 R14: ffff8881cc4af3d0 R15: dffffc0000000000 perf_output_sample+0x10dd/0x1780 kernel/events/core.c:5951 __perf_event_output kernel/events/core.c:6261 [inline] perf_event_output_backward+0x121/0x230 kernel/events/core.c:6282 __perf_event_overflow+0x116/0x320 kernel/events/core.c:7510 perf_swevent_overflow+0x166/0x1f0 kernel/events/core.c:7586 perf_swevent_event+0x19c/0x270 kernel/events/core.c:7619 do_perf_sw_event kernel/events/core.c:7727 [inline] ___perf_sw_event+0x296/0x480 kernel/events/core.c:7758 __perf_sw_event+0x3f/0x70 kernel/events/core.c:7770 perf_sw_event include/linux/perf_event.h:1041 [inline] __do_page_fault+0x77f/0xb60 arch/x86/mm/fault.c:1466 page_fault+0x22/0x50 arch/x86/entry/entry_64.S:1104 RIP: 0010:copy_user_enhanced_fast_string+0x7/0x10 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff8881cc4afb98 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000001000 RCX: 00000000000001c0 RDX: 0000000000001000 RSI: 0000000020a54000 RDI: ffff8881c663ce40 RBP: 0000000020a531c0 R08: 0000000000000000 R09: 0000000000000040 R10: ffffed1038cc79ff R11: ffff8881c663cfff R12: ffff8881c663c000 R13: 00007ffffffff000 R14: 0000000020a541c0 R15: ffff8881c663c000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] copyin+0x99/0xc0 lib/iov_iter.c:146 copy_page_from_iter_iovec lib/iov_iter.c:290 [inline] copy_page_from_iter+0x320/0x7a0 lib/iov_iter.c:731 pipe_write+0x21a/0xd30 fs/pipe.c:434 call_write_iter include/linux/fs.h:1784 [inline] new_sync_write fs/read_write.c:471 [inline] __vfs_write+0x417/0x5c0 fs/read_write.c:484 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:593 [inline] SyS_write+0xc2/0x1a0 fs/read_write.c:585 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4579b9 RSP: 002b:00007ff43ce90c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004579b9 RDX: 0000000100000073 RSI: 00000000200001c0 RDI: 0000000000000006 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff43ce916d4 R13: 00000000004c367d R14: 00000000004db550 R15: 00000000ffffffff INFO: rcu_sched detected stalls on CPUs/tasks: 1-...: (10501 ticks this GP) idle=a4e/140000000000000/0 softirq=82397/82397 fqs=5186 (detected by 0, t=10550 jiffies, g=18860, c=18859, q=205) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 906 Comm: syz-executor0 Not tainted 4.14.90+ #29 task: ffff8881c9e19780 task.stack: ffff8881cc4a8000 RIP: 0010:__sanitizer_cov_trace_pc+0x23/0x60 kernel/kcov.c:68 RSP: 0018:ffff8881cc4af2e8 EFLAGS: 00000246 RAX: ffff8881c9e19780 RBX: ffff8881cc4af5f8 RCX: 0000000000040000 RDX: 0000000000000001 RSI: ffffc90002551000 RDI: ffff8881b1945d90 RBP: ffff8881b1945d80 R08: ffffed103977e0cb R09: ffffed103977e0c9 R10: ffffed103977e0ca R11: ffff8881cbbf0657 R12: 0000000000000000 R13: 0000000000000010 R14: ffff8881cc4af3d0 R15: dffffc0000000000 FS: 00007ff43ce91700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020a54000 CR3: 000000019be06006 CR4: 00000000001606a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: perf_output_read_group kernel/events/core.c:5869 [inline] perf_output_read+0x516/0xfb0 kernel/events/core.c:5909 perf_output_sample+0x10dd/0x1780 kernel/events/core.c:5951 __perf_event_output kernel/events/core.c:6261 [inline] perf_event_output_backward+0x121/0x230 kernel/events/core.c:6282 __perf_event_overflow+0x116/0x320 kernel/events/core.c:7510 perf_swevent_overflow+0x166/0x1f0 kernel/events/core.c:7586 perf_swevent_event+0x19c/0x270 kernel/events/core.c:7619 do_perf_sw_event kernel/events/core.c:7727 [inline] ___perf_sw_event+0x296/0x480 kernel/events/core.c:7758 __perf_sw_event+0x3f/0x70 kernel/events/core.c:7770 perf_sw_event include/linux/perf_event.h:1041 [inline] __do_page_fault+0x77f/0xb60 arch/x86/mm/fault.c:1466 page_fault+0x22/0x50 arch/x86/entry/entry_64.S:1104 RIP: 0010:copy_user_enhanced_fast_string+0x7/0x10 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff8881cc4afb98 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000001000 RCX: 00000000000001c0 RDX: 0000000000001000 RSI: 0000000020a54000 RDI: ffff8881c663ce40 RBP: 0000000020a531c0 R08: 0000000000000000 R09: 0000000000000040 R10: ffffed1038cc79ff R11: ffff8881c663cfff R12: ffff8881c663c000 R13: 00007ffffffff000 R14: 0000000020a541c0 R15: ffff8881c663c000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] copyin+0x99/0xc0 lib/iov_iter.c:146 copy_page_from_iter_iovec lib/iov_iter.c:290 [inline] copy_page_from_iter+0x320/0x7a0 lib/iov_iter.c:731 pipe_write+0x21a/0xd30 fs/pipe.c:434 call_write_iter include/linux/fs.h:1784 [inline] new_sync_write fs/read_write.c:471 [inline] __vfs_write+0x417/0x5c0 fs/read_write.c:484 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:593 [inline] SyS_write+0xc2/0x1a0 fs/read_write.c:585 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4579b9 RSP: 002b:00007ff43ce90c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004579b9 RDX: 0000000100000073 RSI: 00000000200001c0 RDI: 0000000000000006 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff43ce916d4 R13: 00000000004c367d R14: 00000000004db550 R15: 00000000ffffffff Code: 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 de 01 00 48 85 c0 74 1a 65 8b 15 3b f5 30 55 81 e2 00 01 1f 00 75 0b 8b 90 a8 11 00 00 <83> fa 01 74 01 c3 48 c7 c2 00 00 00 81 48 81 ea 00 00 a0 aa 48 ip6_tunnel: ip6tnl7 xmit: Local address not yet configured! ip6_tunnel: ip6tnl11 xmit: Local address not yet configured!