rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=97bc/1/0x4000000000000000 softirq=24152/24155 fqs=13
rcu: 	(detected by 0, t=10505 jiffies, g=17709, q=399 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7844 Comm: syz.3.479 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:do_raw_spin_unlock+0xc8/0x240
Code: 48 c1 ed 03 42 0f b6 44 25 00 84 c0 0f 85 42 01 00 00 41 8b 07 65 8b 0d ba b7 02 11 39 c8 0f 85 d4 00 00 00 43 80 7c 25 00 00 <74> 08 4c 89 f7 e8 ae 27 85 00 49 c7 06 ff ff ff ff 42 0f b6 44 25
RSP: 0018:ffffc900001e0848 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff888136627a80 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888136627a80
RBP: 1ffff11026cc4f51 R08: ffff888136627a83 R09: 1ffff11026cc4f50
R10: dffffc0000000000 R11: ffffed1026cc4f51 R12: dffffc0000000000
R13: 1ffff11026cc4f52 R14: ffff888136627a90 R15: ffff888136627a88
FS:  00007f31de9db6c0(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 00000001118ea000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 _raw_spin_unlock_irqrestore+0x78/0x110
 hrtimer_try_to_cancel+0x3be/0x420
 hrtimer_cancel+0x3b/0x50
 cpu_clock_event_stop+0xd9/0x130
 __perf_event_overflow+0x580/0xe40
 perf_swevent_hrtimer+0x3c5/0x550
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:alloc_vmap_area+0x1c8/0x14a0
Code: 31 c0 48 c7 c0 70 a4 bd 8d 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 0c 48 c7 c7 70 a4 bd 8d e8 68 a9 10 00 <8b> 44 24 60 25 e0 ec 0b 01 89 44 24 5c 48 8b 1d 74 0e ab 0b 4c 8b
RSP: 0018:ffffc900075a7700 EFLAGS: 00000246
RAX: 1ffffffff1b7b48e RBX: 0000000000000001 RCX: e2536d8f97af5500
RDX: ffff88810734d640 RSI: ffffffff8dba9858 RDI: ffffffff8be33e00
RBP: ffffc900075a7838 R08: 00000000ffffffff R09: 0000000000500dc0
R10: 000000000000000d R11: ffffffff81ac4d00 R12: 0000000000000001
R13: 0000000000002000 R14: dffffc0000000000 R15: 0000000000000001
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 __vmalloc_noprof+0xb1/0xf0
 bpf_prog_alloc_no_stats+0x4a/0x4d0
 bpf_prog_alloc+0x3c/0x1a0
 bpf_prog_load+0x735/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31ddb8eba9
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:00007f31de9db038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f31dddd5fa0 RCX: 00007f31ddb8eba9
RDX: 0000000000000094 RSI: 0000200000000600 RDI: 0000000000000005
RBP: 00007f31ddc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f31dddd6038 R14: 00007f31dddd5fa0 R15: 00007ffe9c883b08
 </TASK>
rcu: rcu_preempt kthread starved for 10440 jiffies! g17709 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:26792 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+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 7843 Comm: syz.3.479 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+0xd33/0x12d0
Code: 45 8b 2c 24 44 89 ee 83 e6 01 31 ff e8 b6 63 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 61 5f 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 45 5f
RSP: 0018:ffffc90006cc78a0 EFLAGS: 00000293
RAX: ffffffff81b4621b RBX: 1ffff11026cc7f61 RCX: ffff88810734b980
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90006cc7a20 R08: ffffffff8fa3a837 R09: 1ffffffff1f47506
R10: dffffc0000000000 R11: fffffbfff1f47507 R12: ffff88813663fb08
R13: dffffc0000000000 R14: ffff88804b03b1c0 R15: 0000000000000001
FS:  000055557aba9500(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2cfd7d CR3: 00000001118ea000 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_disable_cpuslocked+0xc5/0x1b0
 static_key_disable+0x1a/0x20
 tracepoint_probe_unregister+0x80e/0x9b0
 trace_event_reg+0x153/0x270
 perf_trace_event_unreg+0xb9/0x1b0
 perf_trace_destroy+0xa4/0x150
 __free_event+0x346/0x7e0
 perf_event_release_kernel+0x45b/0x510
 perf_release+0x38/0x50
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31ddb8eba9
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:00007ffe9c883c68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f31dddd7da0 RCX: 00007f31ddb8eba9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f31dddd7da0 R08: 0000000000000214 R09: 0000001e9c883f5f
R10: 00007f31dddd7cb0 R11: 0000000000000246 R12: 0000000000020948
R13: 00007f31dddd6090 R14: ffffffffffffffff R15: 00007ffe9c883d80
 </TASK>
