ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...!: (1 GPs behind) idle=161c/1/0x4000000000000000 softirq=80023/80024 fqs=3 rcu: (detected by 0, t=10503 jiffies, g=82449, q=160 ncpus=2) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 29 Comm: kauditd Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:validate_chain+0x46/0x5920 kernel/locking/lockdep.c:3860 Code: 49 89 ce 89 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48 89 84 24 a0 02 00 00 49 bc 00 00 00 00 00 fc ff df <48> c7 84 24 00 01 00 00 b3 8a b5 41 48 c7 84 24 08 01 00 00 c8 f7 RSP: 0018:ffffc90000a185e0 EFLAGS: 00000082 RAX: 85019589417c8600 RBX: ffffffff93be9780 RCX: ddbbc63050e626de RDX: 0000000000000000 RSI: ffff88801e6d0b58 RDI: ffff88801e6d0000 RBP: ffffc90000a188e0 R08: ffffffff94271887 R09: 1ffffffff284e310 R10: dffffc0000000000 R11: fffffbfff284e311 R12: dffffc0000000000 R13: ffff88801e6d0000 R14: ddbbc63050e626de R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000455e8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 debug_object_activate+0x17f/0x580 lib/debugobjects.c:818 debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline] debug_activate kernel/time/hrtimer.c:469 [inline] enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1076 __run_hrtimer kernel/time/hrtimer.c:1756 [inline] __hrtimer_run_queues+0x6cb/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x996/0xeb0 Code: 48 21 c3 0f 85 16 02 00 00 e8 f6 ad 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 e7 ad 20 00 eb 06 e8 e0 ad 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 66 86 84 00 4c 8b RSP: 0018:ffffc90000a57820 EFLAGS: 00000293 RAX: ffffffff817ec5f0 RBX: ffffffff8f162d98 RCX: ffff88801e6d0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a579d0 R08: ffffffff817ec5c7 R09: 1ffffffff284e310 R10: dffffc0000000000 R11: fffffbfff284e311 R12: ffffffff8f162d40 R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90000a57a20 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432 _printk+0xd5/0x120 kernel/printk/printk.c:2457 kauditd_printk_skb kernel/audit.c:546 [inline] kauditd_hold_skb+0x1be/0x210 kernel/audit.c:581 kauditd_send_queue+0x2b1/0x310 kernel/audit.c:766 kauditd_thread+0x74a/0x9b0 kernel/audit.c:890 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: rcu_preempt kthread starved for 10490 jiffies! g82449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:26264 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x17fb/0x4be0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 UID: 0 PID: 20344 Comm: syz.2.3817 Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline] RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884 Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4 RSP: 0018:ffffc900045ef400 EFLAGS: 00000293 RAX: ffffffff81938eeb RBX: 1ffff110170e88b9 RCX: ffff88802d253c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900045ef600 R08: ffffffff81938eba R09: 1ffff920008bde70 R10: dffffc0000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880b87445c8 R14: ffff8880b863f940 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f589a177bac CR3: 000000005d17e000 CR4: 00000000003526f0 DR0: 00000000000000fa DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051 __flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline] flush_tlb_multi arch/x86/mm/tlb.c:939 [inline] flush_tlb_mm_range+0x329/0x5c0 arch/x86/mm/tlb.c:1025 tlb_flush arch/x86/include/asm/tlb.h:20 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:465 [inline] tlb_flush_mmu+0x1aa/0x680 mm/mmu_gather.c:372 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc20 mm/mmap.c:1685 __mmput+0x115/0x3b0 kernel/fork.c:1348 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9ad/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x16b2/0x1750 kernel/signal.c:3017 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0067185d29 Code: Unable to access opcode bytes at 0x7f0067185cff. RSP: 002b:00007f0067edd0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f0067375fa8 RCX: 00007f0067185d29 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0067375fa8 RBP: 00007f0067375fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0067375fac R13: 0000000000000000 R14: 00007ffe26e5a860 R15: 00007ffe26e5a948 watchdog: BUG: soft lockup - CPU#0 stuck for 241s! [syz.2.3817:20344] Modules linked in: irq event stamp: 714080 hardirqs last enabled at (714079): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (714080): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (714070): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last enabled at (714070): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last enabled at (714070): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 softirqs last disabled at (714001): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last disabled at (714001): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last disabled at (714001): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 CPU: 0 UID: 0 PID: 20344 Comm: syz.2.3817 Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline] RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884 Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4 RSP: 0018:ffffc900045ef400 EFLAGS: 00000293 RAX: ffffffff81938eeb RBX: 1ffff110170e88b9 RCX: ffff88802d253c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900045ef600 R08: ffffffff81938eba R09: 1ffff920008bde70 R10: dffffc0000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880b87445c8 R14: ffff8880b863f940 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f589a177bac CR3: 000000005d17e000 CR4: 00000000003526f0 DR0: 00000000000000fa DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051 __flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline] flush_tlb_multi arch/x86/mm/tlb.c:939 [inline] flush_tlb_mm_range+0x329/0x5c0 arch/x86/mm/tlb.c:1025 tlb_flush arch/x86/include/asm/tlb.h:20 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:465 [inline] tlb_flush_mmu+0x1aa/0x680 mm/mmu_gather.c:372 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc20 mm/mmap.c:1685 __mmput+0x115/0x3b0 kernel/fork.c:1348 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9ad/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x16b2/0x1750 kernel/signal.c:3017 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0067185d29 Code: Unable to access opcode bytes at 0x7f0067185cff. RSP: 002b:00007f0067edd0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f0067375fa8 RCX: 00007f0067185d29 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0067375fa8 RBP: 00007f0067375fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0067375fac R13: 0000000000000000 R14: 00007ffe26e5a860 R15: 00007ffe26e5a948 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 29 Comm: kauditd Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:separate_irq_context kernel/locking/lockdep.c:4685 [inline] RIP: 0010:__lock_acquire+0xd46/0x2100 kernel/locking/lockdep.c:5210 Code: e8 48 c1 e8 03 80 3c 38 00 74 12 48 89 ef e8 61 8b 88 00 48 bf 00 00 00 00 00 fc ff df 4c 89 75 00 48 8b 44 24 30 0f b6 04 38 <84> c0 0f 85 70 0c 00 00 48 8b 04 24 8b 18 48 85 db 74 59 83 fb 31 RSP: 0018:ffffc90000a18a10 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88801e6d0ad0 RCX: ffffffff817ac164 RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000 RBP: ffff88801e6d0b30 R08: ffffffff94271a57 R09: 1ffffffff284e34a R10: dffffc0000000000 R11: fffffbfff284e34b R12: ffff88801e6d0ac4 R13: ffff88801e6d0000 R14: a0cbce258d9f4007 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000455e8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x996/0xeb0 Code: 48 21 c3 0f 85 16 02 00 00 e8 f6 ad 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 e7 ad 20 00 eb 06 e8 e0 ad 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 66 86 84 00 4c 8b RSP: 0018:ffffc90000a57820 EFLAGS: 00000293 RAX: ffffffff817ec5f0 RBX: ffffffff8f162d98 RCX: ffff88801e6d0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a579d0 R08: ffffffff817ec5c7 R09: 1ffffffff284e310 R10: dffffc0000000000 R11: fffffbfff284e311 R12: ffffffff8f162d40 R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90000a57a20 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432 _printk+0xd5/0x120 kernel/printk/printk.c:2457 kauditd_printk_skb kernel/audit.c:546 [inline] kauditd_hold_skb+0x1be/0x210 kernel/audit.c:581 kauditd_send_queue+0x2b1/0x310 kernel/audit.c:766 kauditd_thread+0x74a/0x9b0 kernel/audit.c:890 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244