rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=ea6/1/0x4000000000000000 softirq=32438/32442 fqs=5148 
	(t=10500 jiffies g=47373 q=221)
NMI backtrace for cpu 0
CPU: 0 PID: 17029 Comm: syz-executor.3 Not tainted 5.11.0-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+0xfa/0x151 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+0x222/0x2a7 kernel/rcu/tree_stall.h:341
 print_cpu_stall kernel/rcu/tree_stall.h:622 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:697 [inline]
 rcu_pending kernel/rcu/tree.c:3830 [inline]
 rcu_sched_clock_irq.cold+0x4f7/0x11dd kernel/rcu/tree.c:2650
 update_process_times+0x16d/0x200 kernel/time/timer.c:1796
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1369
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x1c0/0xe40 kernel/time/hrtimer.c:1583
 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1645
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x540 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:197
Code: e9 22 fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 84 00 00 00 00 00 <65> 8b 05 c9 97 8e 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc90000007890 EFLAGS: 00000202
RAX: 0000000002091f32 RBX: 0000000000000200 RCX: 1ffffffff1f61f5a
RDX: 0000000000000000 RSI: 0000000000000302 RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000001 R09: ffffffff8fab694f
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801464d5f0
R13: ffff88801289c800 R14: 0000000000000001 R15: 0000000000000000
 queue_work_on+0x82/0xc0 kernel/workqueue.c:1529
 queue_work include/linux/workqueue.h:507 [inline]
 ieee80211_queue_work net/mac80211/util.c:932 [inline]
 ieee80211_queue_work+0x129/0x160 net/mac80211/util.c:925
 ieee80211_rx_h_mgmt net/mac80211/rx.c:3627 [inline]
 ieee80211_rx_handlers+0x3b85/0xae60 net/mac80211/rx.c:3793
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3823 [inline]
 ieee80211_prepare_and_rx_handle+0x22ad/0x5070 net/mac80211/rx.c:4537
 __ieee80211_rx_handle_packet net/mac80211/rx.c:4635 [inline]
 ieee80211_rx_list+0x930/0x2680 net/mac80211/rx.c:4819
 ieee80211_rx_napi+0xf7/0x3d0 net/mac80211/rx.c:4842
 ieee80211_rx include/net/mac80211.h:4524 [inline]
 ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235
 tasklet_action_common.constprop.0+0x1d7/0x2d0 kernel/softirq.c:557
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu kernel/softirq.c:422 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:preempt_schedule_irq+0x49/0x90 kernel/sched/core.c:5532
Code: 55 53 65 48 8b 1c 25 00 f0 01 00 48 89 dd 48 c1 ed 03 48 01 c5 bf 01 00 00 00 e8 02 4f 49 f8 e8 2d a3 74 f8 fb bf 01 00 00 00 <e8> a2 d0 ff ff 9c 58 fa f6 c4 02 75 27 bf 01 00 00 00 e8 40 3d 49
RSP: 0018:ffffc90001b4f8c8 EFLAGS: 00000206
RAX: 00000000011afb05 RBX: ffff88806f678000 RCX: 1ffffffff1b8bdf9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffed100decf000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817941e8 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 irqentry_exit_cond_resched kernel/entry/common.c:392 [inline]
 irqentry_exit_cond_resched kernel/entry/common.c:384 [inline]
 irqentry_exit+0x7a/0xa0 kernel/entry/common.c:428
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:197
Code: ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 84 00 00 00 00 00 65 8b 05 c9 97 8e 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 f0 01 00 a9
RSP: 0018:ffffc90001b4f998 EFLAGS: 00000293
RAX: 0000000080000000 RBX: 000000006b810000 RCX: ffff88806f678000
RDX: 0000000000000000 RSI: ffff88806f678000 RDI: 0000000000000003
RBP: ffff8880eb810000 R08: ffff8880eb810000 R09: 0000000000000030
R10: ffffffff81332fae R11: 000000000000003f R12: 0000000000000030
R13: ffff88805b334008 R14: ffffc90001b4fa60 R15: ffffc90001b4fa90
 phys_addr_valid arch/x86/mm/physaddr.h:7 [inline]
 __virt_addr_valid+0xbd/0x2d0 arch/x86/mm/physaddr.c:61
 free_pages+0x14/0x50 mm/page_alloc.c:5093
 tlb_batch_list_free mm/mmu_gather.c:61 [inline]
 tlb_finish_mmu+0x24f/0x8c0 mm/mmu_gather.c:334
 exit_mmap+0x2c2/0x590 mm/mmap.c:3220
 __mmput+0x122/0x470 kernel/fork.c:1082
 mmput+0x58/0x60 kernel/fork.c:1103
 exit_mm kernel/exit.c:501 [inline]
 do_exit+0xb6f/0x2ae0 kernel/exit.c:812
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x42c/0x2100 kernel/signal.c:2773
 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x148/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465ef9
Code: Unable to access opcode bytes at RIP 0x465ecf.
RSP: 002b:00007ffbe02c0188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 0000000000278000 RBX: 000000000056bf60 RCX: 0000000000465ef9
RDX: ffffffffffffffef RSI: 0000000020d7cfcb RDI: 0000000000000003
RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000053
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffc232e3e0f R14: 00007ffbe02c0300 R15: 0000000000022000