ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=114445, q=417 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295115027-4295104525), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g114445 f0x2 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:25304 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: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 24071 Comm: syz.5.4700 Not tainted 6.13.0-rc6-syzkaller-00036-gfbfd64d25c7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4875 [inline] RIP: 0010:__lock_acquire+0x8aa/0x2100 kernel/locking/lockdep.c:5176 Code: 8b 5d 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 18 27 94 be 08 00 00 00 e8 6e 91 88 00 48 0f a3 1d 06 5b ac 12 <73> 1a 48 69 c3 c8 00 00 00 48 8d 98 40 97 be 93 48 ba 00 00 00 00 RSP: 0018:ffffc900000078f0 EFLAGS: 00000057 RAX: 0000000000000001 RBX: 000000000000006c RCX: ffffffff817abd72 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94271888 RBP: 0000000000000000 R08: ffffffff9427188f R09: 1ffffffff284e311 R10: dffffc0000000000 R11: fffffbfff284e312 R12: 0000000000000001 R13: ffff888026800b28 R14: 0000000000000001 R15: ffff888026800b28 FS: 00007fd1add6e6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c335c30 CR3: 000000005f4a0000 CR4: 00000000003526f0 Call Trace: 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:free_pages_prepare mm/page_alloc.c:1129 [inline] RIP: 0010:free_unref_page+0x4cc/0x1000 mm/page_alloc.c:2659 Code: 4c 01 f3 bd 00 10 00 00 44 89 e9 48 d3 e5 48 89 df 48 89 ee e8 35 3c 86 ff 48 89 df 48 89 ee e8 5a 16 cc 02 41 bc 01 00 00 00 <44> 89 e9 41 d3 e4 0f 1f 44 00 00 0f b6 5c 24 3c 48 8b 2c 24 48 89 RSP: 0018:ffffc90005ebf5f0 EFLAGS: 00000246 RAX: ca0226873ac5d900 RBX: ffff8880694f8000 RCX: 1ffff92000bd7ea0 RDX: 0000000000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001 RBP: 0000000000008000 R08: ffffffff942718b7 R09: 1ffffffff284e316 R10: dffffc0000000000 R11: fffffbfff284e317 R12: 0000000000000001 R13: 0000000000000003 R14: 0005088000000000 R15: dffffc0000000000 discard_slab mm/slub.c:2688 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3157 put_cpu_partial+0x17c/0x250 mm/slub.c:3232 __slab_free+0x290/0x380 mm/slub.c:4483 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4119 [inline] slab_alloc_node mm/slub.c:4168 [inline] __kmalloc_cache_node_noprof+0x1ec/0x3a0 mm/slub.c:4337 kmalloc_node_noprof include/linux/slab.h:924 [inline] __get_vm_area_node+0x132/0x2d0 mm/vmalloc.c:3127 __vmalloc_node_range_noprof+0x344/0x1380 mm/vmalloc.c:3806 __vmalloc_node_noprof mm/vmalloc.c:3911 [inline] __vmalloc_noprof+0x79/0x90 mm/vmalloc.c:3925 bpf_prog_alloc_no_stats+0x4d/0x4d0 kernel/bpf/core.c:104 bpf_prog_alloc+0x3a/0x1b0 kernel/bpf/core.c:146 bpf_prog_load+0x7f7/0x20f0 kernel/bpf/syscall.c:2857 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5790 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd1acf85d29 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:00007fd1add6e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd1ad175fa0 RCX: 00007fd1acf85d29 RDX: 0000000000000080 RSI: 0000000020000300 RDI: 0000000000000005 RBP: 00007fd1ad001b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd1ad175fa0 R15: 00007ffe75fb8c28