rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=d97/1/0x4000000000000000 softirq=87948/88288 fqs=2249 
	(t=10502 jiffies g=142449 q=1327)
rcu: rcu_preempt kthread starved for 5990 jiffies! g142449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:27064 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 23736 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x1b4/0x200 arch/x86/kernel/kvm.c:918
Code: e0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 42 45 0f b6 34 24 e8 7e d7 4e 00 44 3a 74 24 1c 75 10 66 90 0f 00 2d ce 7c 50 09 fb f4 <e9> c8 fe ff ff fb e9 c2 fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 54
RSP: 0018:ffffc9000496f520 EFLAGS: 00000246
RAX: f6743a7dbb944000 RBX: 1ffff9200092dea8 RCX: ffffffff81631ae8
RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: ffffffff8ad904c0
RBP: ffffc9000496f5f0 R08: dffffc0000000000 R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c9deda0
R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc9000496f560
FS:  0000555578e50500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6dd2dc8018 CR3: 0000000038411000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115
 spin_lock include/linux/spinlock.h:363 [inline]
 preload_this_cpu_lock mm/vmalloc.c:1500 [inline]
 alloc_vmap_area+0x654/0x19a0 mm/vmalloc.c:1542
 __get_vm_area_node+0x16e/0x2f0 mm/vmalloc.c:2423
 __vmalloc_node_range+0xe3/0x8c0 mm/vmalloc.c:3019
 vmalloc_user+0x70/0x80 mm/vmalloc.c:3165
 kcov_mmap+0x28/0x120 kernel/kcov.c:474
 call_mmap include/linux/fs.h:2177 [inline]
 mmap_region+0x10e7/0x1670 mm/mmap.c:1791
 do_mmap+0x78d/0xe00 mm/mmap.c:1575
 vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:551
 ksys_mmap_pgoff+0x559/0x780 mm/mmap.c:1624
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6dd2c10033
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007ffc661da368 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f6dd2dc8018 RCX: 00007f6dd2c10033
RDX: 0000000000000003 RSI: 0000000000200000 RDI: 00007f6dd2491000
RBP: 00007f6dd2dc8018 R08: 00000000000000d8 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
NMI backtrace for cpu 0
CPU: 0 PID: 23700 Comm: syz.2.6899 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:mac80211_hwsim_tx_frame_no_nl+0x841/0x1840 drivers/net/wireless/mac80211_hwsim.c:1531
Code: 00 00 00 49 8d 9d ac 3c 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 f4 09 00 00 0f b6 1b 31 ff 89 de e8 5f 3d 8c fb <85> db 74 63 49 8d 9d ad 3c 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04
RSP: 0018:ffffc90000007960 EFLAGS: 00000246
RAX: 0000000000000100 RBX: 0000000000000001 RCX: ffff888028653b80
RDX: ffff888028653b80 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007b08 R08: ffffffff85f41f71 R09: ffffffff85f42013
R10: 0000000000000002 R11: ffff888028653b80 R12: dffffc0000000000
R13: ffff88807ae43320 R14: ffffc90000007aa8 R15: 1ffff92000000f55
 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/mac80211_hwsim.c:1788
 mac80211_hwsim_beacon_tx+0x48f/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1842
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:202
Code: 1f 84 00 00 00 00 00 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 78 08 69 0c 48 89 de 5b e9 07 f3 48 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 44 15 82 7e 65 8b 15 45 15 82 7e 81 e2 00
RSP: 0018:ffffc9000495f338 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffff888028654100 RCX: e5fd20a1d13ff700
RDX: ffff888028653b80 RSI: 00000000e52003db RDI: 0000000000000000
RBP: ffffc9000495f468 R08: ffffffff81d0d050 R09: ffffc9000495f2b0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200092be6c R14: 00000000e52003db R15: 1ffff110050ca820
 save_stack+0x11a/0x1e0 mm/page_owner.c:121
 __reset_page_owner+0x52/0x180 mm/page_owner.c:140
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1340 [inline]
 free_pcp_prepare mm/page_alloc.c:1391 [inline]
 free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
 kasan_depopulate_vmalloc_pte+0x66/0x80 mm/kasan/shadow.c:375
 apply_to_pte_range mm/memory.c:2545 [inline]
 apply_to_pmd_range mm/memory.c:2589 [inline]
 apply_to_pud_range mm/memory.c:2625 [inline]
 apply_to_p4d_range mm/memory.c:2661 [inline]
 __apply_to_page_range+0x9bf/0xcc0 mm/memory.c:2695
 kasan_release_vmalloc+0x96/0xb0 mm/kasan/shadow.c:485
 __purge_vmap_area_lazy+0x15ae/0x1740 mm/vmalloc.c:1704
 try_purge_vmap_area_lazy+0x34/0x50 mm/vmalloc.c:1723
 free_unmap_vmap_area mm/vmalloc.c:1778 [inline]
 remove_vm_area+0x1ae/0x1d0 mm/vmalloc.c:2517
 vm_remove_mappings mm/vmalloc.c:2546 [inline]
 __vunmap+0x325/0xa20 mm/vmalloc.c:2611
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x27/0x50 kernel/kcov.c:519
 __fput+0x3fe/0x8e0 fs/file_table.c:280
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:874
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2897
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0bfc95fff9
Code: Unable to access opcode bytes at RIP 0x7f0bfc95ffcf.
RSP: 002b:00007f0bfadd8038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000004 RBX: 00007f0bfcb17f80 RCX: 00007f0bfc95fff9
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 00000000200003c0
RBP: 00007f0bfc9d2296 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0bfcb17f80 R15: 00007ffc96b986d8
 </TASK>