ip6_tunnel: ip6gretap1 xmit: Local address not yet configured!
ip6_tunnel: ip6gretap1 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=655c/1/0x4000000000000000 softirq=40778/40778 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=46061, q=318 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 9368 Comm: syz.3.968 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:106 [inline]
RIP: 0010:do_raw_spin_unlock+0x125/0x1e0 kernel/locking/spinlock_debug.c:141
Code: c1 ea 03 80 3c 02 00 0f 85 bd 00 00 00 48 89 ea 48 c7 43 10 ff ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <48> 89 e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 61 c7 43 08 ff ff
RSP: 0018:ffffc90000007e50 EFLAGS: 00000806
RAX: dffffc0000000000 RBX: ffff8880b84284c0 RCX: ffffffff81e4d123
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b84284c0
RBP: ffff8880b84284c8 R08: 0000000000000000 R09: ffffed1017085098
R10: ffff8880b84284c3 R11: 0000000000000001 R12: ffff8880b84284d0
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff8880b8428650
FS:  00007f0c7c64e6c0(0000) GS:ffff888124386000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000240 CR3: 000000007ed60000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:177 [inline]
 _raw_spin_unlock_irqrestore+0x22/0x80 kernel/locking/spinlock.c:198
 __run_hrtimer kernel/time/hrtimer.c:1926 [inline]
 __hrtimer_run_queues+0x383/0xa00 kernel/time/hrtimer.c:1994
 hrtimer_interrupt+0x3e5/0x940 kernel/time/hrtimer.c:2113
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 __sysvec_apic_timer_interrupt+0x10b/0x460 arch/x86/kernel/apic/apic.c:1067
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:set_nr_if_polling kernel/sched/core.c:1051 [inline]
RIP: 0010:call_function_single_prep_ipi+0xd9/0x1a0 kernel/sched/core.c:3837
Code: 02 00 0f 85 ae 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 20 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 b7 00 00 00 48 8b 03 <48> 89 44 24 20 a8 40 74 7c 4c 8d 6c 24 20 a8 10 75 2d 48 89 df be
RSP: 0018:ffffc90005a77ab8 EFLAGS: 00000246
RAX: 0000000000080000 RBX: ffff88801e2ba540 RCX: ffffc900067fb000
RDX: 1ffff11003c574a8 RSI: ffffffff81fc2a9d RDI: ffff8880b853b2a0
RBP: 1ffff92000b4ef57 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000001 R14: ffff8880b853c501 R15: 0000000000000000
 send_call_function_single_ipi kernel/smp.c:117 [inline]
 smp_call_function_many_cond+0x1346/0x1700 kernel/smp.c:872
 clock_was_set+0x62b/0x870 kernel/time/hrtimer.c:999
 do_settimeofday64+0x330/0x4d0 kernel/time/timekeeping.c:1603
 do_sys_settimeofday64+0x1dc/0x260 kernel/time/time.c:195
 __do_sys_clock_settime kernel/time/posix-timers.c:1124 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1108 [inline]
 __x64_sys_clock_settime+0x1c1/0x2a0 kernel/time/posix-timers.c:1108
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c7b79ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0c7c64e028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f0c7ba15fa0 RCX: 00007f0c7b79ce59
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000000
RBP: 00007f0c7b832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c7ba16038 R14: 00007f0c7ba15fa0 R15: 00007ffd6c7c4178
 </TASK>
rcu: rcu_preempt kthread starved for 10502 jiffies! g46061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:R  running task     stack:27880 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1295/0x67a0 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7283
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0x900 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x179/0x230 kernel/rcu/tree.c:2297
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 9340 Comm: syz.4.959 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:write_comp_data+0x2b/0x90 kernel/kcov.c:272
Code: 8b 05 19 06 01 12 49 89 f8 49 89 f1 49 89 d2 65 48 8b 3d f0 05 01 12 a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00 00 ff 00 74 05 <c3> cc cc cc cc 8b 87 ec 16 00 00 85 c0 74 f1 8b 87 c8 16 00 00 83
RSP: 0000:ffffc9000583f880 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81fc1d0d
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888033e32540
RBP: ffff8880b8443360 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
R13: ffffed101708866d R14: 0000000000000001 R15: ffff8880b853c600
FS:  000055555b31b500(0000) GS:ffff888124486000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f774e812000 CR3: 0000000032e38000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 csd_lock_wait kernel/smp.c:342 [inline]
 smp_call_function_many_cond+0x5ad/0x1700 kernel/smp.c:892
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1057
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x45f/0x16f0 arch/x86/mm/tlb.c:1451
 flush_tlb_page arch/x86/include/asm/tlbflush.h:345 [inline]
 ptep_clear_flush+0x148/0x170 mm/pgtable-generic.c:104
 wp_page_copy mm/memory.c:3941 [inline]
 do_wp_page+0x12a4/0x4350 mm/memory.c:4336
 handle_pte_fault mm/memory.c:6443 [inline]
 __handle_mm_fault+0x1ab6/0x2a00 mm/memory.c:6565
 handle_mm_fault+0x37b/0xa30 mm/memory.c:6734
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f774e4655c3
Code: 53 48 83 ec 38 80 3d 5b ca 3a 00 00 89 7c 24 18 48 89 74 24 28 0f 85 cd 09 00 00 80 3d 2a 01 ee 00 00 49 89 f1 41 89 d2 89 cb <c6> 05 36 ca 3a 00 01 41 89 d7 0f 85 45 04 00 00 80 3d f6 00 ee 00
RSP: 002b:00007fffb90fcb90 EFLAGS: 00010202
RAX: 00007f774e815fa0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 00007f774e816038 RDI: 0000000000000000
RBP: 00007f774e815fb0 R08: 0000000000000000 R09: 00007f774e816038
R10: 0000000000000003 R11: 0000000000000001 R12: 00007f774e815fa0
R13: 0000200000000000 R14: 00007fffb90fcc08 R15: 00007f774e815fa0
 </TASK>
ip6_tunnel: ip6gretap1 xmit: Local address not yet configured!