rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=f644/1/0x4000000000000000 softirq=21967/21967 fqs=0
rcu: 	(detected by 0, t=10506 jiffies, g=17409, q=221 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7672 Comm: syz.3.536 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__lock_acquire+0x6c9/0xd20
Code: 08 00 00 00 e8 88 25 00 00 45 31 ff 85 c0 0f 84 f5 05 00 00 83 3d a6 d9 31 18 00 75 13 48 63 44 24 20 48 0f a3 05 17 4a 2e 12 <0f> 83 15 05 00 00 31 ed 48 8b 3c 24 4c 8b bf 20 0b 00 00 48 83 7c
RSP: 0018:ffffc900001dfe50 EFLAGS: 00000047
RAX: 0000000000000068 RBX: 0000000000000001 RCX: ffffffff936d1470
RDX: 0000000000000008 RSI: ffff88803d0ea880 RDI: ffff88803d0e9d00
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81ad9ddb
R10: dffffc0000000000 R11: ffffed1026cc4f59 R12: 0000000000000002
R13: 0000000000000002 R14: ffff88803d0ea880 R15: 0000000000000000
FS:  00007f3159bef6c0(0000) GS:ffff8881a39e0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3158fd6118 CR3: 00000000295ae000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lock_acquire+0x120/0x360
 _raw_spin_lock_irqsave+0xa7/0xf0
 hrtimer_try_to_cancel+0x22b/0x420
 hrtimer_cancel+0x3b/0x50
 cpu_clock_event_stop+0xd9/0x130
 __perf_event_overflow+0x580/0xe40
 perf_swevent_hrtimer+0x3b8/0x500
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__pi___x86_indirect_thunk_r11+0xa/0x20
Code: e8 01 00 00 00 cc 4c 89 14 24 e9 d1 0a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 e8 01 00 00 00 cc 4c 89 1c 24 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00
RSP: 0018:ffffc900001e07b8 EFLAGS: 00000286
RAX: ffffffff82247556 RBX: ffffc900001e0880 RCX: 706e7d6e7464db00
RDX: 0000000000000001 RSI: ffffffff82247556 RDI: ffffc900001e0880
RBP: ffffc900001e0850 R08: ffffc900001e0b40 R09: 0000000000000000
R10: ffffc900001e0818 R11: ffffffff81ac44a0 R12: ffff88803d0e9d00
R13: 0000000000000000 R14: ffffffff81ac44a0 R15: ffffc900001e07c8
 __pfx_stack_trace_consume_entry+0x10/0x10
 arch_stack_walk+0x110/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kmem_cache_free+0x19d/0x690
 rcu_core+0xcab/0x1770
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__kasan_check_byte+0x6/0x40
Code: 84 da fe ff ff 48 ff c8 49 89 c4 e9 cf fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 41 56 <53> 48 89 f3 49 89 fe e8 2e 15 00 00 84 c0 75 16 be 01 00 00 00 4c
RSP: 0018:ffffc90006777048 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 706e7d6e7464db00
RDX: 0000000000000000 RSI: ffffffff8173bd42 RDI: ffffffff8e33d660
RBP: ffffffff8173bd25 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90006777218 R11: ffffffff81ac44a0 R12: 0000000000000002
R13: ffffffff8e33d660 R14: 0000000000000000 R15: 0000000000000000
 lock_acquire+0x8d/0x360
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __set_page_owner+0x8d/0x4a0
 post_alloc_hook+0x240/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 vma_alloc_folio_noprof+0xe4/0x200
 folio_prealloc+0x30/0x180
 do_wp_page+0x1231/0x5800
 __handle_mm_fault+0x102e/0x5440
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0x764/0x1390
 exc_page_fault+0x82/0x100
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f3158c5eb39
Code: c0 e8 cb f6 fe ff 48 83 c4 68 5b 5d 41 5c 41 5e c3 48 8b 44 24 18 48 8b 1c 24 48 8b 70 78 8b 78 08 48 8d 53 30 e8 f7 57 ff ff <48> 89 83 88 00 00 00 e9 58 fe ff ff 0f 1f 00 8b 7c 24 14 48 8d 74
RSP: 002b:00007f3159bef060 EFLAGS: 00010202
RAX: ffffffffffffffff RBX: 00007f3158fd6090 RCX: 00007f3158e11e19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffff
RBP: 00007f3158e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3158fd6128 R14: 00007f3158fd6090 R15: 00007ffe79ac2568
 </TASK>
rcu: rcu_preempt kthread starved for 10506 jiffies! g17409 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:26856 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x4bc/0x870
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 7671 Comm: syz.3.536 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:smp_call_function_many_cond+0xd38/0x12d0
Code: 89 ee 83 e6 01 31 ff e8 e6 7f 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 91 7b 0b 00 eb 38 f3 90 42 0f b6 04 2b <84> c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 75 7b 0b 00 eb e4 44
RSP: 0018:ffffc90006d87760 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11026cc8005 RCX: ffff88803d0e8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90006d878e0 R08: ffffffff8fc43c37 R09: 1ffffffff1f88786
R10: dffffc0000000000 R11: fffffbfff1f88787 R12: ffff888136640028
R13: dffffc0000000000 R14: ffff88804b03b240 R15: 0000000000000001
FS:  00007f3159c106c0(0000) GS:ffff8880b83e0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 00000000295ae000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0x5f9/0x1130
 arch_jump_label_transform_apply+0x1c/0x30
 static_key_slow_inc_cpuslocked+0x86/0x120
 static_key_slow_inc+0x1a/0x30
 perf_swevent_init+0x1b8/0x230
 perf_try_init_event+0x17f/0x870
 perf_event_alloc+0x133e/0x2be0
 __se_sys_perf_event_open+0x772/0x1d70
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3158d8eba9
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:00007f3159c10038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f3158fd5fa0 RCX: 00007f3158d8eba9
RDX: ffefffffffffffff RSI: 0000000000000000 RDI: 0000200000000a00
RBP: 00007f3158e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3158fd6038 R14: 00007f3158fd5fa0 R15: 00007ffe79ac2568
 </TASK>
