rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2673 jiffies s: 5589 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: 5648 Comm: syz-executor117 Not tainted 6.4.0-rc3-syzkaller-00224-gbe7f8012a513 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:__list_add_valid+0x22/0x100 lib/list_debug.c:27
Code: 84 00 00 00 00 00 66 90 f3 0f 1e fa 41 54 55 48 83 ec 08 48 85 f6 74 6a 48 85 d2 49 89 d4 74 70 48 b8 00 00 00 00 00 fc ff df <48> 89 fd 48 8d 7a 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ad 00
RSP: 0018:ffffc90000007600 EFLAGS: 00000282
RAX: dffffc0000000000 RBX: ffff888071d97c80 RCX: 0000000000000100
RDX: ffff888021ac3ae0 RSI: ffff888021ac3ae0 RDI: ffff888071d97c80
RBP: ffff888021ac3800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff218c522 R12: ffff888021ac3ae0
R13: ffff888021ac3ae0 R14: ffff888021ac3af0 R15: ffff888021ac3ae0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f39ab4370 CR3: 0000000071d2d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __list_add include/linux/list.h:69 [inline]
 list_add_tail include/linux/list.h:102 [inline]
 list_move_tail include/linux/list.h:230 [inline]
 fq_pie_qdisc_dequeue+0x70e/0x9c0 net/sched/sch_fq_pie.c:248
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1b2/0x1780 net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3868 [inline]
 __dev_queue_xmit+0x2215/0x3b10 net/core/dev.c:4210
 dev_queue_xmit include/linux/netdevice.h:3085 [inline]
 neigh_connected_output+0x3c2/0x550 net/core/neighbour.c:1581
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0x55a/0x1560 net/ipv6/ip6_output.c:134
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x69a/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:458 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ndisc_send_skb+0xa63/0x1850 net/ipv6/ndisc.c:508
 ndisc_send_rs+0x132/0x6f0 net/ipv6/ndisc.c:718
 addrconf_rs_timer+0x3f1/0x870 net/ipv6/addrconf.c:3936
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:percpu_counter_add_batch+0x175/0x1e0 lib/percpu_counter.c:103
Code: 89 ee e8 ee bb 45 fd 48 85 ed 75 53 e8 a4 bf 45 fd 31 ff 48 89 de e8 da bb 45 fd 48 85 db 74 06 e8 90 bf 45 fd fb 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 7c bf 45 fd e8 77 bf 45 fd 65 45
RSP: 0018:ffffc900056bf8d8 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000
RDX: ffff88802216bb80 RSI: ffffffff843e8340 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 00000000ffffffef
R13: ffffffffffffff9f R14: 0000607f4643470c R15: ffff8880218fd5b0
 percpu_counter_add include/linux/percpu_counter.h:58 [inline]
 add_mm_counter include/linux/mm.h:2471 [inline]
 add_mm_rss_vec mm/memory.c:480 [inline]
 zap_pte_range mm/memory.c:1496 [inline]
 zap_pmd_range mm/memory.c:1563 [inline]
 zap_pud_range mm/memory.c:1592 [inline]
 zap_p4d_range mm/memory.c:1613 [inline]
 unmap_page_range+0x1408/0x38e0 mm/memory.c:1634
 unmap_single_vma+0x19a/0x2b0 mm/memory.c:1680
 unmap_vmas+0x234/0x380 mm/memory.c:1719
 exit_mmap+0x190/0x930 mm/mmap.c:3111
 __mmput+0x128/0x4c0 kernel/fork.c:1351
 mmput+0x60/0x70 kernel/fork.c:1373
 exit_mm kernel/exit.c:564 [inline]
 do_exit+0x9d7/0x2960 kernel/exit.c:858
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6f39a36839
Code: Unable to access opcode bytes at 0x7f6f39a3680f.
RSP: 002b:00007ffe07a53288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6f39ab1410 RCX: 00007f6f39a36839
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00007f6f39ab1410
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.372 msecs