ip6_tunnel: ip6gre1 xmit: Local address not yet configured!
ip6_tunnel: ip6gre1 xmit: Local address not yet configured!
ip6_tunnel: ip6gretap0 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=1b9c/1/0x4000000000000000 softirq=51408/51409 fqs=0
rcu: 	(detected by 1, t=10505 jiffies, g=46345, q=258 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12874 Comm: syz.6.3070 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1742 [inline]
RIP: 0010:__hrtimer_run_queues+0x3e9/0xc60 kernel/time/hrtimer.c:1825
Code: bd 00 00 00 00 00 fc ff df 42 0f b6 04 28 84 c0 0f 85 36 05 00 00 45 21 3e 4d 8d 74 24 28 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 ed 44 73 00 4d 8b 36 48 8b 7c 24 40 48 8b b4 24
RSP: 0018:ffffc90000007d40 EFLAGS: 00000046
RAX: 1ffff11003cf706d RBX: ffff8880b8627c08 RCX: ffff888023c6bc00
RDX: 0000000000010000 RSI: ffff8880b8627c10 RDI: ffff88801e7b8348
RBP: ffffc90000007e90 R08: ffffffff8f9fe0f7 R09: 1ffffffff1f3fc1e
R10: dffffc0000000000 R11: fffffbfff1f3fc1f R12: ffff88801e7b8340
R13: dffffc0000000000 R14: ffff88801e7b8368 R15: 0000000000000001
FS:  00007f1765f7d6c0(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88301a4a38 CR3: 00000000796ec000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
 __sysvec_apic_timer_interrupt+0x10b/0x410 arch/x86/kernel/apic/apic.c:1056
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194
Code: 74 05 e8 6b 13 66 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 33 fe 2e f6 65 8b 05 2c eb 37 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900052d7b60 EFLAGS: 00000206
RAX: fae8434ef9a21f00 RBX: 0000000000000a06 RCX: fae8434ef9a21f00
RDX: 0000000000000007 RSI: ffffffff8d96eaae RDI: 0000000000000001
RBP: ffffc900052d7bf0 R08: ffffffff8f9fe0f7 R09: 1ffffffff1f3fc1e
R10: dffffc0000000000 R11: fffffbfff1f3fc1f R12: dffffc0000000000
R13: ffff8880b8627ac0 R14: ffff8880b8627ac0 R15: 1ffff92000a5af6c
 clock_was_set+0x63b/0x7c0 kernel/time/hrtimer.c:972
 do_settimeofday64+0x2ec/0x5e0 kernel/time/timekeeping.c:1407
 __do_sys_clock_settime kernel/time/posix-timers.c:1132 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1116 [inline]
 __x64_sys_clock_settime+0x229/0x280 kernel/time/posix-timers.c:1116
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f176518e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1765f7d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f17653b5fa0 RCX: 00007f176518e929
RDX: 0000000000000000 RSI: 0000200000003c80 RDI: 0000000000000000
RBP: 00007f1765210b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f17653b5fa0 R15: 00007ffe80dbb298
 </TASK>
rcu: rcu_preempt kthread starved for 10505 jiffies! g46345 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:27192 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16a2/0x4cb0 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
 rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 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: 12876 Comm: syz.4.3069 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xf7b/0x12d0 kernel/smp.c:885
Code: 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 0b 74 0b 00 eb 37 f3 90 43 0f b6 04 2c 84 c0 75 10 41 f7 07 01 00 00 00 74 1e <e8> f0 73 0b 00 eb e5 44 89 f9 80 e1 07 80 c1 03 38 c1 7c e3 4c 89
RSP: 0018:ffffc90002fd7360 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff8880b873b040 RCX: ffff888023c6da00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002fd74c0 R08: ffffffff8f9fe0f7 R09: 1ffffffff1f3fc1e
R10: dffffc0000000000 R11: fffffbfff1f3fc1f R12: 1ffff110170c835d
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b8641ae8
FS:  0000000000000000(0000) GS:ffff888125d85000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fa1eff8 CR3: 000000000df38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x6b1/0x12c0 arch/x86/mm/tlb.c:1451
 tlb_flush arch/x86/include/asm/tlb.h:23 [inline]
 tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:490 [inline]
 tlb_flush_mmu+0x1a7/0x680 mm/mmu_gather.c:403
 tlb_finish_mmu+0xc3/0x1d0 mm/mmu_gather.c:497
 free_ldt_pgtables+0x17b/0x320 arch/x86/kernel/ldt.c:411
 arch_exit_mmap arch/x86/include/asm/mmu_context.h:234 [inline]
 exit_mmap+0x17c/0xb50 mm/mmap.c:1270
 __mmput+0x118/0x420 kernel/fork.c:1121
 exit_mm+0x1da/0x2c0 kernel/exit.c:581
 do_exit+0x648/0x22e0 kernel/exit.c:952
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
 get_signal+0x125e/0x1310 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f882ff8e929
Code: Unable to access opcode bytes at 0x7f882ff8e8ff.
RSP: 002b:00007f8830d2c0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f88301b5fa8 RCX: 00007f882ff8e929
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f88301b5fa8
RBP: 00007f88301b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f88301b5fac
R13: 0000000000000000 R14: 00007fffe3385000 R15: 00007fffe33850e8
 </TASK>