rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=3ed/1/0x4000000000000000 softirq=84300/84301 fqs=651 
	(t=10502 jiffies g=106553 q=578)
NMI backtrace for cpu 0
CPU: 0 PID: 25090 Comm: syz.5.6562 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x22d/0x380 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x31f/0x5f0 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3936 [inline]
 rcu_sched_clock_irq+0x6ec/0x1120 kernel/rcu/tree.c:2619
 update_process_times+0x193/0x200 kernel/time/timer.c:2021
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:veth_xmit+0x0/0xa50 drivers/net/veth.c:320
Code: 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c be fe ff ff 4c 89 f7 e8 87 4f 78 fc e9 b1 fe ff ff 66 90 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 30 49 89 f4 49 89 fe 48 bb
RSP: 0018:ffffc900000074c0 EFLAGS: 00000246
RAX: 1ffffffff155c67c RBX: 1ffff1100ce0d4c8 RCX: 4b25ecf5403a8b00
RDX: 0000000000000100 RSI: ffff88805c0fe000 RDI: ffff88806706a640
RBP: ffffffff8aae33e0 R08: ffffffff8d8aee2f R09: 1ffffffff1b15dc5
R10: dffffc0000000000 R11: fffffbfff1b15dc6 R12: 0000000000000000
R13: 0000000000000046 R14: ffff88806706a640 R15: dffffc0000000000
 __netdev_start_xmit include/linux/netdevice.h:5036 [inline]
 netdev_start_xmit include/linux/netdevice.h:5050 [inline]
 xmit_one net/core/dev.c:3662 [inline]
 dev_hard_start_xmit+0x297/0x7d0 net/core/dev.c:3678
 __dev_queue_xmit+0x195d/0x2e50 net/core/dev.c:4305
 neigh_output include/net/neighbour.h:509 [inline]
 ip6_finish_output2+0x108b/0x1530 net/ipv6/ip6_output.c:130
 dst_output include/net/dst.h:452 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xb7a/0x1410 net/ipv6/ndisc.c:513
 addrconf_rs_timer+0x367/0x640 net/ipv6/addrconf.c:3959
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_irq+0xb6/0x160 kernel/sched/core.c:6799
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 75 e5 8a f7 e8 d0 b8 b7 f7 fb bf 01 00 00 00 <e8> d5 b5 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc90002f3fba0 EFLAGS: 00000286
RAX: 4b25ecf5403a8b00 RBX: ffff8880218c0000 RCX: 4b25ecf5403a8b00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: 0000000000000001
RBP: ffffc90002f3fc40 R08: ffffffff901e916f R09: 1ffffffff203d22d
R10: dffffc0000000000 R11: fffffbfff203d22e R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005e7f74
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:security_capable+0x5b/0xb0 security/security.c:809
Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 3e a3 18 fe 4d 8b 24 24 4d 85 e4 74 35 4d 8d 6c 24 18 4c 89 e8 48 c1 e8 03 80 3c 18 00 <74> 08 4c 89 ef e8 1b a3 18 fe 4c 89 ff 4c 89 f6 89 ea 8b 4c 24 04
RSP: 0018:ffffc90002f3fd08 EFLAGS: 00000246
RAX: 1ffffffff17c7892 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000d2d1000 RSI: 0000000000019754 RDI: 0000000000019755
RBP: 0000000000000026 R08: ffff8880286fbff7 R09: 1ffff110050df7fe
R10: dffffc0000000000 R11: ffffed10050df7ff R12: ffffffff8be3c478
R13: ffffffff8be3c490 R14: ffffffff8c1ccce0 R15: ffff888025ac1500
 ns_capable_common kernel/capability.c:375 [inline]
 ns_capable kernel/capability.c:396 [inline]
 capable+0x69/0xe0 kernel/capability.c:449
 perfmon_capable include/linux/capability.h:259 [inline]
 perf_check_permission+0x31/0x310 kernel/events/core.c:12351
 __do_sys_perf_event_open kernel/events/core.c:12633 [inline]
 __se_sys_perf_event_open+0xe02/0x1bb0 kernel/events/core.c:12387
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f21b3f89e59
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:00007f21b21e2028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f21b4211fa0 RCX: 00007f21b3f89e59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007f21b401fe6f R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f21b4212038 R14: 00007f21b4211fa0 R15: 00007ffc3cf174c8
 </TASK>