rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3008 jiffies s: 1537 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3762 Comm: syz.3.16 Not tainted 6.1.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:task_irq_context kernel/locking/lockdep.c:4557 [inline] RIP: 0010:__lock_acquire+0x3b9/0x1f80 kernel/locking/lockdep.c:4987 Code: e8 9c a2 77 00 48 8b 34 24 48 ba 00 00 00 00 00 fc ff df 48 8b 84 24 c0 00 00 00 48 89 5c 24 78 48 89 03 65 8b 05 db f8 97 7e <31> db 85 c0 0f 95 c3 01 db 49 8d ad c4 0a 00 00 48 89 e8 48 c1 e8 RSP: 0018:ffffc90000006a00 EFLAGS: 00000046 RAX: 0000000000000001 RBX: ffff888075b7a930 RCX: ffff888075b79dc0 RDX: dffffc0000000000 RSI: ffff888075b7a8a0 RDI: ffff8880b982a4d8 RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff888075b79dc0 R14: ffff8880b982a4d8 R15: 0000000000000062 FS: 00007f18bcbe76c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f71aff8 CR3: 000000007f14b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170 __run_hrtimer kernel/time/hrtimer.c:1690 [inline] __hrtimer_run_queues+0x6d3/0xe50 kernel/time/hrtimer.c:1750 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:memset+0xd/0x40 mm/kasan/shadow.c:44 Code: 8b 0c 24 31 d2 e9 d3 ec ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9 c0 ec ff ff 55 41 56 53 48 89 d3 41 89 f6 48 89 fd <48> 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 a1 ec ff ff 84 c0 74 12 RSP: 0018:ffffc90000007040 EFLAGS: 00000246 RAX: ffff888075b79dc0 RBX: 0000000000000060 RCX: ffffc90000007150 RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc900000070c0 RBP: ffffc900000070c0 R08: dffffc0000000000 R09: ffffc90000007240 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffffffff81785b50 R14: 0000000000000000 R15: 0000000000000000 __unwind_start+0x32/0x720 arch/x86/kernel/unwind_orc.c:645 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:556 [inline] kzalloc include/linux/slab.h:692 [inline] ref_tracker_alloc+0x13c/0x470 lib/ref_tracker.c:85 __netdev_tracker_alloc include/linux/netdevice.h:4008 [inline] netdev_hold include/linux/netdevice.h:4037 [inline] ___neigh_create+0xd15/0x24b0 net/core/neighbour.c:657 ip6_finish_output2+0x14f2/0x1530 net/ipv6/ip6_output.c:125 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline] ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:212 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbab/0x14e0 net/ipv6/ndisc.c:511 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_irq_work+0x8e/0xb0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679 RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6870 Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 99 54 b0 f6 e8 04 56 e3 f6 fb bf 01 00 00 00 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 a9 0e 34 f7 48 RSP: 0018:ffffc900047a6580 EFLAGS: 00000282 RAX: d6e1c891b286d500 RBX: 1ffff920008f4cb8 RCX: ffffffff91f33103 RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001 RBP: ffffc900047a6640 R08: ffffffff9013e000 R09: ffffffff9013e008 R10: ffffffff9013e018 R11: ffffffff9013e010 R12: 1ffff920008f4cb0 R13: 1ffff920008f4cb4 R14: ffffc900047a65a0 R15: dffffc0000000000 irqentry_exit+0x53/0x80 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:unwind_next_frame+0x56/0x2220 arch/x86/kernel/unwind_orc.c:424 Code: 24 30 42 80 3c 30 00 74 08 48 89 ef e8 13 7a a5 00 48 89 6c 24 18 4c 8b 7b 48 48 8d 6b 38 48 89 e8 48 c1 e8 03 48 89 44 24 60 <42> 80 3c 30 00 74 08 48 89 ef e8 eb 79 a5 00 48 89 6c 24 68 48 8b RSP: 0018:ffffc900047a6700 EFLAGS: 00000a06 RAX: 1ffff920008f4d03 RBX: ffffc900047a67e0 RCX: ffffffff8fdaf000 RDX: dffffc0000000000 RSI: ffffffff81d6072a RDI: ffffc900047a67e0 RBP: ffffc900047a6818 R08: 0000000000000003 R09: ffffc900047a68d0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075b79dc0 R13: ffffffff81785b50 R14: dffffc0000000000 R15: ffffffff81d6072a arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 save_stack+0xf6/0x1e0 mm/page_owner.c:127 __set_page_owner+0x26/0x390 mm/page_owner.c:190 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517 prep_new_page mm/page_alloc.c:2524 [inline] get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5558 __alloc_pages_bulk+0x74a/0xd60 mm/page_alloc.c:5506 vm_area_alloc_pages mm/vmalloc.c:2958 [inline] __vmalloc_area_node mm/vmalloc.c:3068 [inline] __vmalloc_node_range+0x733/0x1490 mm/vmalloc.c:3240 __vmalloc_node mm/vmalloc.c:3305 [inline] vzalloc+0x75/0x80 mm/vmalloc.c:3378 bpf_check+0x222/0x15e30 kernel/bpf/verifier.c:15567 bpf_prog_load+0x12df/0x1bb0 kernel/bpf/syscall.c:2646 __sys_bpf+0x382/0x6c0 kernel/bpf/syscall.c:5020 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline] __se_sys_bpf kernel/bpf/syscall.c:5122 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5122 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f18bbd79e79 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:00007f18bcbe7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f18bbf15f80 RCX: 00007f18bbd79e79 RDX: 0000000000000090 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007f18bbde793e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f18bbf15f80 R15: 00007ffeaf50f6a8