rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=956c/1/0x4000000000000000 softirq=16416/16416 fqs=4296
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1323597          0            0
rcu: 	cputime:    17738      34741           77   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=18069 q=1919 ncpus=2)
CPU: 0 PID: 6568 Comm: syz.0.262 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline]
RIP: 0010:__local_bh_enable_ip+0x142/0x1c0 kernel/softirq.c:413
Code: 8a e8 f2 bc 31 09 65 66 8b 05 ea 50 b1 7e 66 85 c0 75 54 bf 01 00 00 00 e8 cb 1a 0a 00 e8 c6 1d 3b 00 fb 65 8b 05 b6 50 b1 7e <85> c0 75 05 e8 35 38 ae ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc90000007620 EFLAGS: 00000282
RAX: 0000000000000101 RBX: 0000000000000201 RCX: fdd4f26ec25a4d00
RDX: dffffc0000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c80e0
RBP: ffffc900000076b8 R08: ffffffff911be5ff R09: 1ffffffff2237cbf
R10: dffffc0000000000 R11: fffffbfff2237cc0 R12: ffffffff887c9c16
R13: ffff88802f21f200 R14: dffffc0000000000 R15: 1ffff92000000ec4
FS:  00007f707124b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000005a701000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ___neigh_create+0x1df6/0x2440 net/core/neighbour.c:721
 ip6_finish_output2+0x1581/0x1630 net/ipv6/ip6_output.c:132
 dst_output include/net/dst.h:467 [inline]
 NF_HOOK include/linux/netfilter.h:304 [inline]
 ndisc_send_skb+0xc26/0x14f0 net/ipv6/ndisc.c:513
 addrconf_rs_timer+0x2d5/0x630 net/ipv6/addrconf.c:4024
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x542/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5255
Code: 0f 84 33 01 00 00 48 85 db 0f 85 52 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 50 52 30 09 e8 0b 21 30 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000346f7d8 EFLAGS: 00000286
RAX: fdd4f26ec25a4d00 RBX: 0000000000000000 RCX: fdd4f26ec25a4d00
RDX: dffffc0000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c80e0
RBP: ffffc9000346f830 R08: ffffffff8e8ad9ef R09: 1ffffffff1d15b3d
R10: dffffc0000000000 R11: fffffbfff1d15b3e R12: ffff88802dac3c00
R13: dffffc0000000000 R14: ffff88801f2a8000 R15: ffff8880b8e3cac8
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x155b/0x45a0 kernel/sched/core.c:6700
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 class_preempt_destructor include/linux/preempt.h:478 [inline]
 try_to_wake_up+0x781/0x1190 kernel/sched/core.c:4356
 wake_up_process kernel/sched/core.c:4481 [inline]
 wake_up_q+0xb6/0x100 kernel/sched/core.c:1032
 futex_wake+0x42a/0x4f0 kernel/futex/waitwake.c:184
 do_futex+0x35d/0x3e0 kernel/futex/syscalls.c:139
 __do_sys_futex kernel/futex/syscalls.c:211 [inline]
 __se_sys_futex+0x3a9/0x440 kernel/futex/syscalls.c:192
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f707039aeb9
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:00007f707124b0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f7070615fa8 RCX: 00007f707039aeb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7070615fac
RBP: 00007f7070615fa0 R08: 0000000000745d1e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7070616038 R14: 00007ffcbec3f2e0 R15: 00007ffcbec3f3c8
 </TASK>