rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2631 jiffies s: 10033 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: 6519 Comm: syz.1.980 Not tainted 6.1.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:rcu_read_unlock_special+0x65/0x540 kernel/rcu/tree_plugin.h:627
Code: 41 48 c7 44 24 28 e6 06 b6 8c 48 c7 44 24 30 c0 26 74 81 4c 8d 7c 24 20 49 c1 ef 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 49 89 04 17 <66> 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 0d 48 8e 7e
RSP: 0018:ffffc90000007320 EFLAGS: 00000802
RAX: f2f2f200f1f1f1f1 RBX: 1ffff1100444fbaf RCX: ffff88802227d940
RDX: dffffc0000000000 RSI: ffffffff8b5d5dc0 RDI: ffff88802227d940
RBP: ffffc900000073f8 R08: ffffffff81b03da4 R09: fffffbfff1d33896
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88802227dd7c R14: ffff88802227d940 R15: 1ffff92000000e68
FS:  00007fe9a000a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564d78224030 CR3: 0000000023013000 CR4: 00000000003506f0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __perf_event_output kernel/events/core.c:7707 [inline]
 perf_event_output_forward+0x2af/0x330 kernel/events/core.c:7716
 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9462
 perf_tp_event+0x35a/0xc80 kernel/events/core.c:9995
 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9968
 perf_trace_preemptirq_template+0x2d1/0x3d0 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd5/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0010:rcu_read_unlock_special+0x84/0x540 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 0d 48 8e 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc90000007ac0 EFLAGS: 00000206
RAX: e46d4fabf5430c00 RBX: 1ffff92000000f60 RCX: ffffffff91f31103
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: ffffffff8b5d5de0
RBP: ffffc90000007ba0 R08: ffffffff81b644fc R09: ffffed1017306ad6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d32fe00
R13: ffff88802227dd98 R14: ffffc90000007b00 R15: 1ffff92000000f5c
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x153/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767
 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_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:85 [inline]
RIP: 0010:preempt_schedule_common+0x8a/0xd0 kernel/sched/core.c:6729
Code: 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 0a 5f 34 f7 4c 89 33 bf 01 00 00 00 e8 fd b6 ff ff 65 8b 05 fe b0 54 75 <65> ff 0d f7 b0 54 75 65 48 8b 1d e7 b0 54 75 48 89 df be 08 00 00
RSP: 0018:ffffc90008897440 EFLAGS: 00000246
RAX: 0000000080000001 RBX: ffff88802227ee18 RCX: 1ffff92001112e70
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: ffff88802227ef38
RBP: ffffc900088974f8 R08: ffffffff81b644fc R09: ffffed1017306ad6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92001112e90
R13: 1ffff92001112eac R14: ffffffff8aadbdb9 R15: dffffc0000000000
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6751
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x128/0x130 kernel/locking/spinlock.c:194
 __debug_check_no_obj_freed lib/debugobjects.c:987 [inline]
 debug_check_no_obj_freed+0x455/0x4e0 lib/debugobjects.c:1008
 free_pages_prepare mm/page_alloc.c:1450 [inline]
 free_pcp_prepare mm/page_alloc.c:1494 [inline]
 free_unref_page_prepare+0x319/0x1120 mm/page_alloc.c:3362
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3457
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 kmem_cache_zalloc include/linux/slab.h:682 [inline]
 taskstats_tgid_alloc kernel/taskstats.c:583 [inline]
 taskstats_exit+0xcb/0x920 kernel/taskstats.c:622
 do_exit+0x9f1/0x26a0 kernel/exit.c:856
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2870
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe99f1779f9
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:00007fe9a000a0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fe99f305f88 RCX: 00007fe99f1779f9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe99f305f88
RBP: 00007fe99f305f80 R08: 00007fe9a000a6c0 R09: 00007fe9a000a6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe99f305f8c
R13: 000000000000000b R14: 00007ffc15ab6e60 R15: 00007ffc15ab6f48
 </TASK>