cfg80211: failed to load regulatory.db
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2654 jiffies s: 1557 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: 5141 Comm: syz-executor119 Not tainted 6.4.0-rc4-syzkaller-00794-gf69de8aa4752 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:fq_pie_qdisc_dequeue+0x636/0x9c0 net/sched/sch_fq_pie.c:247
Code: 85 04 03 00 00 48 8b 85 e0 02 00 00 48 39 04 24 0f 85 52 fa ff ff 45 31 ff e9 8d fd ff ff e8 21 f1 44 f9 48 8d bd 28 03 00 00 <48> 89 fa 48 c1 ea 03 42 0f b6 14 22 84 d2 74 09 80 fa 03 0f 8e 06
RSP: 0018:ffffc90000007620 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888070d033f0 RCX: 0000000000000100
RDX: ffff88807d161dc0 RSI: ffffffff883f551f RDI: ffff88807b514328
RBP: ffff88807b514000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffffffff218b98d R12: dffffc0000000000
R13: ffff88807b5142e0 R14: ffff88807b5142f0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd544512370 CR3: 000000000c571000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 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:arch_stack_walk+0x87/0xf0 arch/x86/kernel/stacktrace.c:24
Code: 33 08 00 8b 95 78 ff ff ff 85 d2 75 21 eb 33 4c 89 e7 ff d3 84 c0 74 2a 48 8d bd 78 ff ff ff e8 5f 15 08 00 8b 85 78 ff ff ff <85> c0 74 14 48 8d bd 78 ff ff ff e8 d9 12 08 00 48 85 c0 48 89 c6
RSP: 0018:ffffc90003f9f708 EFLAGS: 00000292
RAX: 0000000000000001 RBX: ffffffff81726720 RCX: 0000000000000000
RDX: 0000000080000000 RSI: ffffc90003f9ff30 RDI: 0000000000000001
RBP: ffffc90003f9f790 R08: 0000000000000001 R09: ffffc90003f9ff38
R10: ffffc90003f9f708 R11: 0000000000094001 R12: ffffc90003f9f7c0
R13: 0000000000000000 R14: ffff88807d161dc0 R15: ffffea00009fbe80
 stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:162 [inline]
 slab_free_hook mm/slub.c:1781 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
 slab_free mm/slub.c:3786 [inline]
 kmem_cache_free_bulk.part.0+0x20c/0x680 mm/slub.c:3904
 mt_free_bulk lib/maple_tree.c:169 [inline]
 mt_destroy_walk+0x9fa/0x1580 lib/maple_tree.c:5608
 mte_destroy_walk lib/maple_tree.c:5657 [inline]
 __mt_destroy+0x21c/0x290 lib/maple_tree.c:6460
 exit_mmap+0x42f/0x930 mm/mmap.c:3141
 __mmput+0x128/0x4c0 kernel/fork.c:1351
 mmput+0x60/0x70 kernel/fork.c:1373
 exit_mm kernel/exit.c:567 [inline]
 do_exit+0x9b0/0x29b0 kernel/exit.c:861
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 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: 0033:0x7fd544494829
Code: Unable to access opcode bytes at 0x7fd5444947ff.
RSP: 002b:00007ffd85960aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd54450f410 RCX: 00007fd544494829
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00007fd54450f410
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 4.104 msecs