rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9998 ticks this GP) idle=94a/1/0x4000000000000000 softirq=9803/9804 fqs=336 
	(t=10501 jiffies g=8425 q=6687)
rcu: rcu_preempt kthread starved for 1964 jiffies! g8425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28880 pid:   11 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x8cd/0x2150 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x148/0x250 kernel/time/timer.c:1878
 rcu_gp_fqs_loop kernel/rcu/tree.c:1940 [inline]
 rcu_gp_kthread+0xbbe/0x1d70 kernel/rcu/tree.c:2113
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
NMI backtrace for cpu 1
CPU: 1 PID: 9134 Comm: syz-executor437 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x1e3/0x21e kernel/rcu/tree_stall.h:337
 print_cpu_stall kernel/rcu/tree_stall.h:569 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:643 [inline]
 rcu_pending kernel/rcu/tree.c:3751 [inline]
 rcu_sched_clock_irq.cold+0x472/0xec3 kernel/rcu/tree.c:2580
 update_process_times+0x16d/0x200 kernel/time/timer.c:1782
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1376
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x1ce/0xea0 kernel/time/hrtimer.c:1583
 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1645
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1102
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0x48/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:__rate_control_send_low+0x219/0x6d0 net/mac80211/rate.c:366
Code: 48 8b 44 24 18 80 38 00 0f 85 45 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 08 4c 01 fb 48 89 da 48 c1 ea 03 0f b6 0c 02 <48> 89 da 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 23 04 00 00 8b
RSP: 0018:ffffc90000d90a40 EFLAGS: 00000216
RAX: dffffc0000000000 RBX: ffff88801a774d90 RCX: 0000000000000000
RDX: 1ffff110034ee9b2 RSI: ffffffff884b15af RDI: 0000000000000007
RBP: ffff88801a773148 R08: 0000000000000fff R09: ffffc90000d90bb8
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000000
 rate_control_send_low+0x265/0x730 net/mac80211/rate.c:400
 rate_control_get_rate+0x1b9/0x5a0 net/mac80211/rate.c:913
 __ieee80211_beacon_get+0xb06/0x1aa0 net/mac80211/tx.c:4924
 ieee80211_beacon_get_tim+0x88/0x910 net/mac80211/tx.c:4951
 ieee80211_beacon_get include/net/mac80211.h:4912 [inline]
 mac80211_hwsim_beacon_tx+0x111/0x910 drivers/net/wireless/mac80211_hwsim.c:1729
 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:792
 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:828
 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1782
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x693/0xea0 kernel/time/hrtimer.c:1583
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1600
 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x132/0x200 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5440 [inline]
RIP: 0010:lock_acquire+0x2c7/0x740 kernel/locking/lockdep.c:5402
Code: 48 c7 c7 20 68 4b 89 48 83 c4 20 e8 43 fc 8f 07 b8 ff ff ff ff 65 0f c1 05 26 6f ab 7e 83 f8 01 0f 85 36 03 00 00 ff 34 24 9d <e9> 3a fe ff ff 65 ff 05 8d 5d ab 7e 48 8b 05 86 51 82 0b e8 61 f1
RSP: 0018:ffffc900022575d8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 1ffff9200044aebd RCX: 0000000000000001
RDX: 1ffff110024fb130 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ebb0767
R10: fffffbfff1d760ec R11: 0000000000000001 R12: 0000000000000002
R13: ffffffff8b339260 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:253 [inline]
 rcu_read_lock include/linux/rcupdate.h:642 [inline]
 is_bpf_text_address+0x36/0x160 kernel/bpf/core.c:708
 kernel_text_address kernel/extable.c:151 [inline]
 kernel_text_address+0xbd/0xf0 kernel/extable.c:120
 __kernel_text_address+0x9/0x30 kernel/extable.c:105
 unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
 unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
 arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56
 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355
 __kasan_slab_free+0x102/0x140 mm/kasan/common.c:422
 slab_free_hook mm/slub.c:1544 [inline]
 slab_free_freelist_hook+0x5d/0x150 mm/slub.c:1577
 slab_free mm/slub.c:3142 [inline]
 kmem_cache_free+0x82/0x350 mm/slub.c:3158
 mmdrop include/linux/sched/mm.h:49 [inline]
 finish_task_switch.isra.0+0x4df/0xbb0 kernel/sched/core.c:4223
 context_switch kernel/sched/core.c:4330 [inline]
 __schedule+0x8d5/0x2150 kernel/sched/core.c:5078
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:5340
 irqentry_exit_cond_resched kernel/entry/common.c:393 [inline]
 irqentry_exit_cond_resched kernel/entry/common.c:385 [inline]
 irqentry_exit+0x7a/0xa0 kernel/entry/common.c:423
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:fsnotify+0x19a/0x10a0 fs/notify/fsnotify.c:460
Code: 80 3c 02 00 0f 85 8c 0e 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 75 28 4d 8d ae a0 06 00 00 4c 89 ea 48 c1 ea 03 80 3c 02 00 <0f> 85 ca 0e 00 00 49 83 be a0 06 00 00 00 0f 84 6f 0b 00 00 e8 cd
RSP: 0018:ffffc90002257d38 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81cf434d
RDX: 1ffff11002a350d4 RSI: ffffffff81cf435b RDI: ffff888015fcad28
RBP: ffff888015fcad00 R08: 0000000000000000 R09: ffff888015fcad00
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888010eeea80
R13: ffff8880151a86a0 R14: ffff8880151a8000 R15: ffff88802e032178
 fsnotify_parent include/linux/fsnotify.h:71 [inline]
 fsnotify_file include/linux/fsnotify.h:90 [inline]
 fsnotify_close include/linux/fsnotify.h:279 [inline]
 __fput+0x694/0x920 fs/file_table.c:267
 task_work_run+0xdd/0x190 kernel/task_work.c:168
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x1f0/0x200 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x401d00
Code: 01 f0 ff ff 0f 83 40 0d 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 9a 2d 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 14 0d 00 00 c3 48 83 ec 08 e8 7a 02 00 00
RSP: 002b:00007ffd00083b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000401d00
RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000043
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004