ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (0 ticks this GP) idle=f624/1/0x4000000000000000 softirq=65441/65441 fqs=0 rcu: (detected by 1, t=10506 jiffies, g=120753, q=21 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 24836 Comm: syz-executor.1 Not tainted 6.7.0-rc5-next-20231213-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:99 [inline] RIP: 0010:do_raw_spin_unlock+0x40/0x230 kernel/locking/spinlock_debug.c:140 Code: 83 c7 04 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b9 01 00 00 81 7b 04 ad 4e ad de <0f> 85 71 01 00 00 be 04 00 00 00 48 89 df e8 9d d6 76 00 48 89 da RSP: 0018:ffffc90000007cb8 EFLAGS: 00000046 RAX: 0000000000000007 RBX: ffffffff92c3c220 RCX: ffffc90000007c60 RDX: 0000000000000000 RSI: ffffffff8accbfa0 RDI: ffffffff92c3c224 RBP: 0000000000000006 R08: 0000000000000000 R09: fffffbfff1e73812 R10: ffffffff8f39c097 R11: ffffffff8acf3cc0 R12: 0000000000000002 R13: ffff888019ae1340 R14: 1ffff92000000fa2 R15: ffffffff92c3c218 FS: 00007f09cf0826c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f09cf082d58 CR3: 000000007d05d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194 debug_object_activate+0x349/0x540 lib/debugobjects.c:726 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline] debug_activate kernel/time/hrtimer.c:477 [inline] enqueue_hrtimer+0x25/0x320 kernel/time/hrtimer.c:1087 __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0xa0f/0xc20 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x10c/0x410 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 86 64 da f6 48 89 df e8 4e dc da f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 d5 84 cc f6 65 8b 05 06 b1 75 75 85 c0 74 12 5b RSP: 0018:ffffc90005d9fa78 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff8880b982b4c0 RCX: 1ffffffff2427527 RDX: 0000000000000000 RSI: ffffffff8accbca0 RDI: ffffffff8b2f7040 RBP: 0000000000000286 R08: 0000000000000001 R09: fffffbfff24273e8 R10: ffffffff92139f47 R11: 0000000000000002 R12: fe232c1ecea4aad3 R13: 0000000000000000 R14: 0000026ecc062ec9 R15: dffffc0000000000 clock_was_set+0x591/0x850 kernel/time/hrtimer.c:972 timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1395 do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2444 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline] __do_sys_clock_adjtime+0x173/0x280 kernel/time/posix-timers.c:1171 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x62/0x6a RIP: 0033:0x7f09ce27cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f09cf0820c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007f09ce39c120 RCX: 00007f09ce27cba9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f09ce2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f09ce39c120 R15: 00007ffda253c488 rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g120753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=203525 rcu: rcu_preempt kthread starved for 10506 jiffies! g120753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:27888 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5399 [inline] __schedule+0xf15/0x5c80 kernel/sched/core.c:6726 __schedule_loop kernel/sched/core.c:6801 [inline] schedule+0xe7/0x270 kernel/sched/core.c:6816 schedule_timeout+0x136/0x290 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:1631 rcu_gp_kthread+0x245/0x380 kernel/rcu/tree.c:1830 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 ip6_tunnel: ip6tnl4 xmit: Local address not yet configured!